Tag Archives: bearings series

China high quality High Precision AC Series Angle 25 7808 7809 7810 7811 Acm Zz 2RS Angular Contact Ball Bearings for Pneumatic Tool bearing assembly

Product Description


PRODUCT PICTURES:
 
OUR SERVICES
We can provide manufacturing capabilities and services of regular bearings for you, or customized non-standard bearings as you required.

 BEARING:
  — Dimensions
  — Material
  — Tolerance standard

APPEARANCE:
  — Logo (Laser Marking)
  — Package Design
40+ YEARS EXPERIENCE 
CONTINUOUS AND STABLE DELIVERY OF PRODUCTS.

With over 40 years experience of the bearing manufacturing, we know how to make good bearings with less cost consistently and efficiently.

We use advanced CNC turning, grinding, and superfinishing machines to ensure high, stable, and accurate machining.  All of your goods, from the most economical category, to the highest rated category, will always be manufactured precisely to the standards you require.

OWN HEAT TREATMENT 
CONTROALLABLE COST AND QUALITY.

Heat treatment is 1 of the crucial processes to ensure high performance of bearing materials. Compared with other manufacturers, we can produce higher quality bearings at smaller cost, with a more flexible and controllable production schedule, and in a shorter time

We have 6 heat treatment production lines.

Bearings are heated uniformly, with small deformation and little/no oxidized decarburization, which can make them have high hardness, high fatigue resistance, good wear resistance, dimensional stability, and excellent mechanical strength.

OUTSTXIHU (WEST LAKE) DIS.  QUALITY
LOW NOISE, LOW FRICTION AND LONG LIFE.

All our products are characterized by low noise, low friction and long life.  This is due to our attention to the roundness, waviness and surface roughness of bearing raceway.

Our products fully meets the requirements of national and international standards accorind to the testing result of
roughness, roundness, hardness, vibration noise, vibration velocity.
PACKING
PACKAGING THAT HELPS SELL.

1, Inner package
   Corrosion and Dust Proof PE plastic film  / bag packing + Tube packing, or Wrapping  tape for larger bearings.
2, Corrugated Individual Box
   Our attractive sales-helpful “3-JOYS” package, or as the design of your package.
3, Outer package
  Corrugated carton + Wooden pallet 
MODERN WELL-ORGANIZED WAREHOUSE

  · Constant temperature (20°C) and humidity (RH 52%) warehouse
  · Hundreds of models on hand, short delivery time.
HONOR & SYSTEM CERTIFICATES
EXHIBITION
SAMPLES POLICY 

 

FREE SAMPLES AND SHIPPING

 We are happy to send you free samples of our bearings for field   testing. All transportation costs will be paid by us.

 Please note: Depending on the model and value of samples,   this policy may not apply!

 Please contact our sales staff for details.

TRANSPORTATION
FASTEST DELIVERY TO CUSTOMERS
CUSTOMERS FEEDBACK

PAYMENT TERMS 
To facilitate your payment, we offer a variety of options! 
FAQ

1, About the lead time.
 
This depends on several factors, like Is the production schedule tight? Is there a corresponding model in stock, and is there enough of this model in stock? How many pcs of that model would be ordered?
Simply speaking, based on a 20′ GP container load:

If the model your Preferred is Sufficient stock Lead Time
Regular models YES Within 7 days
Regular models NO Within 30 days
Non-regular model NO About 50 days

For accurate estimate, please contact with our sale stuff. Thanks.

2, Minimum order quantity. 
  

Even just ONE piece of bearing is ok for us.

  
3, If you don’t know which model is the right choice…
  

We would like to give you some advise if you like, according to the real situation and demand of your local market. Our purpose is to help you to get proper and right models for your customers, so that you would make a better sales and income finally.

4, Factory Inspection

We surely would welcome you or your representatives to come to our plants or working offices to take a good look and chat with our hardworking CZPT employees. Ask our sales stuff and she/he will arrange that for you.

OPTIONS OF SPECIFICATION AND STHangZhouRD
 

Subject Symbol Description
Sealing & Sealing type Z Metal shield on 1 side.
ZZ Metal shields on both sides.
RS Rubber seal on 1 side.
2RS Rubber seals on both sides.
ZNR Shield on 1 side, snap ring groove in the outer ring, with snap ring on the opposite side of the shield
2ZNR Shield on both sides, snap ring groove in the outer ring, with snap ring
ZNBR Shield on 1 side, snap ring groove in the outer ring, with snap ring on the same side as the shield
Cage Materials J Pressed steel cages
M Solid brass cage
F Solid cage made from steel or iron
Y Pressed brass cages.
T Laminated phenolic cages.
TN Polyamide cages
TH Glass-fiber reinforced phenolic resin cages.
TV Polyamide cage
Cage Designs P Window-type cage
H Claw-type cage
A Cage guided on the bearing outer ring
B Cage-guided on the bearing inner ring
S Cage with lubricating slots in the guiding surfaces
D Carbonitriding cage
W Welded cage
R Riveted Cage
Cage Types N/A Claw-type cage
Ribbon cage
Crown cage
Sunflower cage
Tapered cage
Tolerances PN(P0) Bearings in standard tolerance
P6 Tighter tolerance than standard bearings
P5 Tolerance tighter than P6
P4 Tolerance tighter than P5
P2 Tolerance tighter than P4
Contact Angle C Contact angle 15˚.
AC Contact angle 25˚.
CA Contact angle 20˚.
E Contact angle 35˚.
B Contact angle 40˚.
Bearing Sets DB Two bearings: back-to-back.
DF Two bearings: face-to-face.
DT Two bearings: in tandem.
TBT Three bearings: tandem and back-to-back.
TFT Three bearings: tandem and face-to-face.
QFC Four bearings: tandem and face-to-face.
DB Two bearings: back-to-back.
DF Two bearings: face-to-face.

PRODUCT PARAMETERS

This tech sheet may not contain all or every piece of information you want to know. Please contact our sales staff to obtain or compare the information.
 

 

Designation Boundary Dimension (mm) Limiting Speed (rpm) Load Rating (Kn) Weight
 Designation Inner Diameter
(d)
Outside Diameter
(D)
Width
(B)
Grease Lubrication Oil Lubrication Dynamic Load
(cr)
Static Load
(cor)
Weight
(kg)
71800 10 19 5 75000 120000 1.8 1.1 0.005
71801 12 21 5 70000 110000 2 1.4 0.006
71802 15 24 5 60000 90000 2.2 1.8 0.007
71803 17 26 5 53000 80000 2.3 1.9 0.008
71804 20 32 7 45000 67000 3.9 3.4 0.018
71805 25 37 7 38000 56000 4.2 4.1 0.571
71806 30 42 7 32000 48000 4.4 4.8 0.571
71807 35 47 7 26000 40000 4.6 5.5 0.571
71808 40 52 7 24000 38000 4.8 6.2 0.032
71809 45 58 7 20000 34000 4.9 6.7 0.04
71810 50 65 7 18000 30000 7.4 10 0.052
71811 55 72 9 16000 26000 10.2 13.8 0.061
71812 60 78 10 15000 24000 13.4 18 0.1
71813 65 85 10 14000 22000 13.4 18.8 0.125
71814 70 90 10 13000 20000 13.8 20.3 0.133
71815 75 95 10 12000 19000 14.2 21.7 0.142
71816 80 100 10 10000 18000 14.5 23.1 0.15
71817 85 110 13 10000 17000 21.5 32.2 0.262
71818 90 115 13 9500 16000 21.7 33.5 0.274
71819 95 120 13 9000 15000 21.9 34.7 0.287
71820 100 125 13 8500 14000 22.5 37 0.301
71821 105 130 13 8500 14000 22.7 38.3 0.314
71822 110 140 16 8000 13000 31.8 51.6 0.496
71824 120 150 16 7000 11000 33.1 56.9 0.537
71826 130 165 18 6700 9000 38.7 67.6 0.782
71828 140 175 18 6000 8500 44.8 79.2 0.813
71830 150 190 20 5600 7500 51.2 92 1.14
71832 160 200 20 5000 7000 52.4 97.7 1.21
71834 170 215 22 4800 7000 66.5 123.4 1.61
71836 180 225 22 2000 2800 62.3 75.9 2
71838 190 240 24 1900 2600 75.1 91.6 2.1
71840 200 250 24 1800 2400 74.2 91.2 2.38
71844 220 270 24 1700 2200 76.4 97.8 2.8
71848 240 300 28 1500 1900 83.5 108 4.5

 

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Contact Angle: 15°
Aligning: Aligning Bearing
Separated: Unseparated
Rows Number: Single
Load Direction: Radial Bearing
Material: Bearing Steel
Samples:
US$ 5/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

ball bearing

What are the Materials Typically Used in Manufacturing Ball Bearings and Their Advantages?

Ball bearings are manufactured using a variety of materials, each chosen for its specific properties and advantages in various applications. Here are some commonly used materials in ball bearing manufacturing and their respective benefits:

  • High-Carbon Chrome Steel (AISI 52100):

This is the most common material used for ball bearing manufacturing. It offers excellent hardness, wear resistance, and fatigue strength. High-carbon chrome steel bearings are suitable for a wide range of applications, from industrial machinery to automotive components.

  • Stainless Steel (AISI 440C, AISI 304, AISI 316):

Stainless steel bearings are corrosion-resistant and suitable for applications where moisture, chemicals, or exposure to harsh environments are concerns. AISI 440C offers high hardness and corrosion resistance, while AISI 304 and AISI 316 provide good corrosion resistance and are often used in food and medical industries.

  • Ceramic:

Ceramic bearings use silicon nitride (Si3N4) or zirconia (ZrO2) balls. Ceramic materials offer high stiffness, low density, and excellent resistance to corrosion and heat. Ceramic bearings are commonly used in high-speed and high-temperature applications, such as in aerospace and racing industries.

  • Plastic (Polyamide, PEEK):

Plastic bearings are lightweight and offer good corrosion resistance. Polyamide bearings are commonly used due to their low friction and wear properties. Polyether ether ketone (PEEK) bearings provide high-temperature resistance and are suitable for demanding environments.

  • Bronze:

Bronze bearings are often used in applications where self-lubrication is required. Bronze has good thermal conductivity and wear resistance. Bearings made from bronze are commonly used in machinery requiring frequent starts and stops.

  • Hybrid Bearings:

Hybrid bearings combine steel rings with ceramic balls. These bearings offer a balance between the advantages of both materials, such as improved stiffness and reduced weight. Hybrid bearings are used in applications where high speeds and low friction are essential.

  • Specialty Alloys:

For specific applications, specialty alloys may be used to meet unique requirements. For example, bearings used in extreme temperatures or corrosive environments may be made from materials like titanium or hastelloy.

  • Coated Bearings:

Bearings may also be coated with thin layers of materials like diamond-like carbon (DLC) or other coatings to enhance performance, reduce friction, and improve wear resistance.

The choice of material depends on factors such as application requirements, operating conditions, load, speed, and environmental factors. Selecting the right material is essential for ensuring optimal bearing performance, longevity, and reliability in diverse industries and applications.

ball bearing

Are there any Industry Standards or Certifications that Ball Bearings should Meet?

Yes, there are several industry standards and certifications that ball bearings should meet to ensure their quality, performance, and reliability. These standards help manufacturers, engineers, and customers assess the suitability of bearings for specific applications. Some of the key standards and certifications for ball bearings include:

  • ISO Standards:

The International Organization for Standardization (ISO) has developed a series of standards related to ball bearings. ISO 15 defines dimensions, boundary dimensions, and tolerances for radial bearings. ISO 281 specifies dynamic load ratings and calculation methods for bearings’ life calculations.

  • ABEC (Annular Bearing Engineering Committee) Ratings:

ABEC ratings are commonly used in North America to indicate the precision and performance of ball bearings. Ratings range from ABEC 1 (lowest precision) to ABEC 9 (highest precision). However, it’s important to note that ABEC ratings focus primarily on dimensional tolerances and do not encompass all aspects of bearing quality.

  • DIN Standards:

The German Institute for Standardization (Deutsches Institut für Normung, DIN) has published various standards related to ball bearings. DIN 625 covers dimensions for deep groove ball bearings, while DIN 616 provides guidelines for precision angular contact ball bearings.

  • JIS (Japanese Industrial Standards):

JIS standards are used in Japan and internationally to define the characteristics and dimensions of various products, including ball bearings. JIS B 1512 outlines the classification and dimensions of rolling bearings.

  • ASTM (American Society for Testing and Materials) Standards:

ASTM has standards that cover various aspects of bearing testing, performance, and materials. ASTM F2215, for instance, specifies the requirements for ball bearings used in surgical implants.

  • CE Marking:

CE marking indicates that a product complies with European Union health, safety, and environmental requirements. It may be required for bearings used in machinery intended to be sold within the EU market.

  • Industry-Specific Standards:

Various industries, such as aerospace, automotive, medical, and nuclear, have specific standards or certifications that bearings must meet to ensure safety, reliability, and compliance with industry-specific requirements.

  • Quality Management Systems:

Manufacturers that adhere to quality management systems, such as ISO 9001, demonstrate their commitment to consistent product quality and customer satisfaction. Certification to these systems indicates that the manufacturing process follows established protocols and best practices.

When selecting ball bearings, it’s important to consider the relevant standards and certifications that align with the application’s requirements. This ensures that the bearings meet recognized quality and performance criteria, ultimately contributing to reliable and efficient operation.

ball bearing

What are the Primary Benefits of Using Ball Bearings in Machinery and Equipment?

Ball bearings offer several primary benefits when used in machinery and equipment. Their design and functionality provide advantages that contribute to the efficient and reliable operation of various applications. Here are the key benefits:

  • Reduced Friction:

One of the primary benefits of ball bearings is their ability to minimize friction between moving parts. The rolling motion of the balls reduces the contact area and sliding friction, leading to smoother operation and less energy loss due to frictional heating.

  • Efficient Load Support:

Ball bearings are engineered to support both radial and axial loads, making them versatile for applications with multidirectional forces. This load-bearing capability allows machinery to handle different types of loads while maintaining performance and stability.

  • Smooth Rotation:

Ball bearings enable smooth and precise rotational movement. The rolling motion of the balls provides consistent motion with minimal resistance, ensuring that machinery operates smoothly and without jerks.

  • High-Speed Capability:

Due to their low friction and efficient rolling action, ball bearings are suitable for high-speed applications. They allow machinery and equipment to achieve and maintain high rotational speeds without excessive wear or heat buildup.

  • Reduced Wear and Maintenance:

The reduced friction in ball bearings leads to lower wear on components. This results in longer service intervals and reduced maintenance requirements, saving both time and maintenance costs.

  • Energy Efficiency:

By minimizing friction and reducing energy losses, ball bearings contribute to the overall energy efficiency of machinery. This is particularly important in applications where energy consumption is a concern.

  • Versatility:

Ball bearings come in various types, sizes, and configurations, allowing them to be used in a wide range of machinery and equipment. They can be customized to suit specific application requirements.

  • Reliability and Longevity:

Ball bearings are designed to withstand heavy loads and harsh operating conditions. Their durability and resistance to wear ensure reliable performance and an extended operational life.

  • Quiet Operation:

Ball bearings contribute to quiet machinery operation due to the smooth rolling motion of the balls. This is particularly important in applications where noise reduction is a consideration.

In summary, the primary benefits of using ball bearings in machinery and equipment include reduced friction, efficient load support, smooth rotation, high-speed capability, reduced wear and maintenance, energy efficiency, versatility, reliability, and quiet operation. These benefits collectively enhance the performance and longevity of machinery across various industries.

China high quality High Precision AC Series Angle 25 7808 7809 7810 7811 Acm Zz 2RS Angular Contact Ball Bearings for Pneumatic Tool   bearing assemblyChina high quality High Precision AC Series Angle 25 7808 7809 7810 7811 Acm Zz 2RS Angular Contact Ball Bearings for Pneumatic Tool   bearing assembly
editor by CX 2024-05-07

China Custom CZPT Radial Deep Groove Ball Bearings for Electric Machinery Industry 6904 Series bearing driver

Product Description

KGG:Precision Deep Groove Ball Bearing

Advantages and features of CZPT bearings

∞ CZPT Ball Bearings consist of an outer ring, an inner ring, and a plurality of rollers and spacers. The bearing with high rotation accuracy capable of bearing loads in every direction. Because it has orthogonally arranged cylindrical rollers, it can bear loads in every direction. CZPT provides 2 kinds of bearings: Deep Groove Ball Bearing and Angular Contact Ball Bearings.   

∞ ACBB, which is the abbreviation of angular contact ball bearings. With different contact angles, the higher axial load can be well taken care now. CZPT standard ball bearings are the perfect solution for high runout accuracy applications such as machine tool main spindles.

∞ Deep groove ball bearings are widely used in many industries for decades. A deep groove is formed on each inner and outer ring of the bearings enabling them to sustain radial and axial loads or even combinations of both. As the leading deep groove ball bearing factory, CZPT Bearings owns abundant experience in designing and producing this type of bearing.                           

Application:

1. Medical industry
2.Lithium battery industry
3.Solar photovoltaic industry
4. Semi conductor Industry
5. General industry machinery
6. Machine tool
7. Parking system
8. High-speed rail and aviation transportation equipment
9. 3C industry etc

Specification List
 

Boundary Dimensions (mm) Basic Load Ratings(N) Limiting Speeds (rpm) Bearing Numbers Type Snap ring groove dimensions Snap ring
dimensions
d D B r dynamic
Cr
static Cor Grease Oil Open
type
Shield
ZZ
Seal
non-contact
LLB
Low
torque
type
LLH
Seal
contact
LLU
Snap ring
groove
Snap
ring
D1 a b ro D2 f
min Open Z,ZZ
LB,LLB
LLH LU LLU Open Z LB max max min max max max
10 19 5 0.3 1830 925 32000 24000 38000 6800 ZZ LLB LLU
22 6 0.3 2700 1270 30000 21000 36000 6900 ZZ LLB LLU N NR 20.8 1.05 0.8 0.2 24.8 0.7
26 8 0.3 4550 1960 29000 25000 21000 34000 6000 ZZ LLB LLH LLU N NR
30 9 0.6 5100 2390 25000 21000 18000 30000 6200 ZZ LLB LLH LLU N NR 28.17 2.06 1.35 0.4 34.7 1.12
35 11 0.6 8200 3500 23000 20000 16000 27000 6300 ZZ LLB LLH LLU N NR 33.17 2.06 1.35 0.4 39.7 1.12
12 21 5 0.3 1920 1040 29000 20000 35000 6801 ZZ LLB LLU
24 6 0.3 2890 1460 27000 19000 32000 6901 ZZ LLB LLU N NR 22.8 1.05 0.8 0.2 26.8 0.7
28 7 0.3 5100 2390 26000 30000 16001
28 8 0.3 5100 2390 26000 21000 18000 30000 6001 ZZ LLB LLH LLU N NR
32 10 0.6 6100 2750 22000 20000 16000 26000 6201 ZZ LLB LLH LLU N NR 30.5 2.06 1.35 0.4 36.7 1.12
37 12 1 9700 4200 20000 19000 15000 24000 6301 ZZ LLB LLH LLU N NR 34.77 2.06 1.35 0.4 41.3 1.12
15 24 5 0.3 2080 1260 26000 17000 31000 6802 ZZ LLB LLU
28 7 0.3 3650 2000 24000 16000 28000 6902 ZZ LLB LLU N NR 26.7 1.3 0.95 0.25 30.8 0.85
32 8 0.3 5600 2830 22000 26000 16002
32 9 0.3 5600 2830 22000 18000 15000 26000 6002 ZZ LLB LLH LLU N NR 30.15 2.06 1.35 0.4 36.7 1.12
35 11 0.6 7750 3600 19000 18000 15000 23000 6202 ZZ LLB LLH LLU N NR 33.17 2.06 1.35 0.4 39.7 1.12
42 13 1 11400 5450 17000 15000 12000 21000 6302 ZZ LLB LLH LLU N NR 39.75 2.06 1.35 0.4 46.3 1.12
17 24 5 0.3 2080 1260 26000 17000 31000 6802 ZZ LLB LLU
28 7 0.3 3650 2000 24000 16000 28000 6902 ZZ LLB LLU N NR 28.7 1.3 0.95 0.25 32.8 0.85
32 8 0.3 5600 2830 22000 26000 16002
32 9 0.3 5600 2830 22000 18000 15000 26000 6002 ZZ LLB LLH LLU N NR 33.17 2.06 1.35 0.4 39.7 1.12
35 11 0.6 7750 3600 19000 18000 15000 23000 6202 ZZ LLB LLH LLU N NR 38.1 2.06 1.35 0.4 44.6 1.12
42 13 1 11400 5450 17000 15000 12000 21000 6302 ZZ LLB LLH LLU N NR 44.6 2.46 1.35 0.4 52.7 1.12
20 32 7 0.3 4000 2470 21000 13000 25000 6804 ZZ LLB LLU N NR 30.7 1.3 0.95 0.25 34.8 0.85
37 9 0.3 6400 3700 19000 12000 23000 6904 ZZ LLB LLU N NR 35.7 1.7 0.95 0.25 39.8 0.85
42 8 0.3 7900 4500 18000 21000 16004
42 12 0.6 9400 5050 18000 13000 11000 21000 6004 ZZ LLB LLH LLU N NR 39.75 2.06 1.35 0.4 46.3 1.12
47 14 1 12800 6650 16000 12000 10000 18000 6204 ZZ LLB LLH LLU N NR 44.6 2.46 1.35 0.4 52.7 1.12
52 15 1.1 15900 7900 14000 12000 10000 17000 6304 ZZ LLB LLH LLU N NR 49.73 2.46 1.35 0.4 57.9 1.12
22 44 12 0.6 9400 5050 17000 13000 10000 20000 60/22 ZZ LLB LLH LLU N NR 41.75 2.06 1.35 0.4 48.3 1.12
50 14 1 12900 6800 14000 12000 9700 17000 62/22 ZZ LLB LLH LLU N NR 47.6 2.46 1.35 0.4 55.7 1.12
56 16 1.1 18400 9250 13000 11000 9200 15000 63/22 ZZ LLB LLH LLU N NR 53.6 2.46 1.35 0.4 61.7 1.12
25 37 7 0.3 4300 2950 18000 10000 21000 6805 ZZ LLB LLU N NR 35.7 1.3 0.95 0.25 39.8 0.85
42 9 0.3 7050 4550 16000 9800 19000 6905 ZZ LLB LLU N NR 40.7 1.7 0.95 0.25 44.8 0.85
47 8 0.3 8350 5100 15000 18000 16005
47 12 0.6 15710 5850 15000 11000 9400 18000 6005 ZZ LLB LLH LLU N NR 44.6 2.06 1.35 0.4 52.7 1.12
52 15 1 14000 7850 13000 11000 8900 15000 6205 ZZ LLB LLH LLU N NR 49.73 2.46 1.35 0.4 57.9 1.12
62 17 1.1 21200 10900 12000 9700 8100 14000 6305 ZZ LLB LLH LLU N NR 59.61 3.28 1.9 0.6 67.7 1.7
80 21 1.5 34500 17500 10000 12000 6405
28 52 12 0.6 12500 7400 14000 10000 8400 16000 60/28 ZZ LLB LLH LLU N NR 49.7 2.06 1.35 0.4 57.9 1.12
58 16 1 17900 9750 12000 9700 8100 14000 62/28 ZZ LLB LLH LLU N NR 55.6 2.46 1.35 0.4 63.7 1.12
68 18 1.1 26700 14000 11000 8900 7400 13000 63/28 ZZ LLB LLH LLU N NR 64.82 3.28 1.9 0.6 74.6 1.7
30 42 7 0.3 4700 3650 15000 8800 18000 6806 ZZ LLB LLU N NR 40.7 1.3 0.95 0.25 44.8 0.85
47 9 0.3 7250 5000 14000 8400 17000 6906 ZZ LLB LLU N NR 45.7 1.7 0.95 0.25 49.8 0.85
55 9 0.3 11200 7350 13000 15000 16006*
55 13 1 13200 8300 13000 9200 7700 15000 6006 ZZ LLB LLH LLU N NR 52.6 2.08 1.35 0.4 60.7 1.12
62 16 1 19500 11300 11000 8800 7300 13000 6206 ZZ LLB LLH LLU N NR 59.61 3.28 1.9 0.6 67.7 1.7
72 19 1.1 26700 15000 10000 7900 6600 12000 6306 ZZ LLB LLH LLU N NR 68.81 3.28 1.9 0.6 78.6 1.7
32 58 13 1 11800 8050 12000 8700 7200 15000 60/32 ZZ LLB LLH LLU N NR 55.6 2.08 1.35 0.4 63.7 1.12
65 17 1 20700 11600 11000 8400 7100 12000 62/32 ZZ LLB LLH LLU N NR 62.6 3.28 1.9 0.6 70.7 1.7
75 20 1.1 29800 16900 9500 7700 6500 11000 63/32* ZZ LLB LLH LLU N NR 71.83 3.28 1.9 0.6 81.6 1.7
35 47 7 0.3 4900 4050 13000 16000 6807* ZZ LLB LLU N NR 45.7 1.3 0.95 0.25 49.8 0.85
55 10 0.6 9550 6850 12000 7100 15000 6907 ZZ LLB LLU N NR 53.7 1.7 0.95 0.25 57.8 0.85
62 9 0.3 11700 8200 12000 14000 16007*
62 14 1 16000 10300 12000 8200 6800 14000 6007 ZZ LLB LLH LLU N NR 59.61 2.08 1.9 0.6 67.7 1.7
72 17 1.1 25700 15300 9800 7600 6300 11000 6207 ZZ LLB LLH LLU N NR 68.81 3.28 1.9 0.6 78.6 1.7
80 21 1.5 33500 19100 8800 7300 6000 10000 6307 ZZ LLB LLH LLU N NR 76.81 3.28 1.9 0.6 86.6 1.7
52 7 0.3 5100 4400 12000 14000 6808 ZZ LLB LLU N NR 50.7 1.3 0.95 0.25 54.8 0.85
40 62 12 0.6 12200 8900 11000 6300 13000 6908 ZZ LLB LLU N NR 60.7 1.7 0.95 0.25 64.8 0.85
68 9 0.3 12600 9650 10000 12000 16008*
68 15 1 16800 11500 10000 7300 6100 12000 6008 ZZ LLB LLH LLU N NR 64.82 2.49 1.9 0.6 74.6 1.7
80 18 1.1 29100 17800 8700 6700 5600 10000 6208 ZZ LLB LLH LLU N NR 76.81 3.28 1.9 0.6 86.6 1.7
90 23 1.5 40500 24000 7800 6400 5300 9200 6308 ZZ LLB LLH LLU N NR 86.79 3.28 2.7 0.6 96.5 2.46
45 58 7 0.3 5350 4950 11000 5900 12000 6809* ZZ LLB LLU N NR 56.7 1.3 0.95 0.25 60.8 0.85
68 12 0.6 13100 10400 9800 5600 12000 6909 ZZ LLB LLU N NR 66.7 1.7 0.95 0.25 70.8 0.85
75 10 0.6 12900 10500 9200 11000 16009*
75 16 1 21000 15100 9200 6500 5400 11000 6009 ZZ LLB LLH LLU N NR 71.83 2.49 1.9 0.6 81.6 1.7
85 19 1.1 32500 20400 7800 6200 5200 9200 6209 ZZ LLB LLH LLU N NR 81.81 3.28 1.9 0.6 91.6 1.7
100 25 1.5 53000 32000 7000 5600 4700 8200 6309 ZZ LLB LLH LLU N NR 96.8 3.28 2.7 0.6 106.5 2.46
50 65 7 0.3 6600 6100 9600 5300 11000 6810 ZZ LLB LLU N NR 63.7 1.3 0.95 0.25 67.8 0.85
72 12 0.6 13400 11200 8900 5100 11000 6910* ZZ LLB LLU N NR 70.7 1.7 0.95 0.25 74.8 0.85
80 10 0.6 13200 11300 8400 9800 16571
80 16 1 21800 16600 8400 6000 5000 9800 6571 ZZ LLB LLH LLU N NR 76.81 2.49 1.9 0.6 86.6 1.7
90 20 1.1 35000 23200 7100 5700 4700 8300 6210 ZZ LLB LLH LLU N NR 86.79 3.28 2.7 0.6 96.5 2.46
110 27 2 62000 38500 6400 5000 4200 7500 6310 ZZ LLB LLH LLU N NR 106.81 3.28 2.7 0.6 116.6 2.46
55 72 9 0.3 8800 8100 8700 4800 10000 6811* ZZ LLB LLU N NR 70.7 1.7 0.95 0.25 74.8 0.85
80 13 1 16000 13300 8200 4600 9600 6911* ZZ LLB LLU N NR 77.9 2.1 1.3 0.4 84.4 1.12
90 11 0.6 18600 15300 7700 9000 16011*
90 18 1.1 28300 21200 7700 4500 9000 6011 ZZ LLB LLU N NR 86.79 2.87 2.7 0.6 96.5 2.46
100 21 1.5 43500 29200 6400 4300 7600 6211* ZZ LLB LLU N NR 96.8 3.28 2.7 0.6 106.5 2.46
120 29 2 71500 45000 5800 3900 6800 6311 ZZ LLB LLU N NR 115.21 4.06 3.1 0.6 129.7 2.82
60 78 10 0.3 11500 10600 8000 4400 9400 6812* ZZ LLB LLU N NR 76.2 1.7 1.3 0.4 82.7 1.12
85 13 1 16400 14300 7600 4300 8900 6912* ZZ LLB LLU N NR 82.9 2.1 1.3 0.4 89.4 1.12
95 11 0.6 20000 17500 7000 8300 16012*
95 18 1.1 29500 23200 7000 4100 8300 6012* ZZ LLB LLU N NR 91.82 2.87 2.7 0.6 101.6 2.46
110 22 1.5 52500 36000 6000 3800 7000 6212 ZZ LLB LLU N NR 106.81 3.28 2.7 0.6 116.6 2.46
130 31 2.1 82000 52000 5400 3600 6300 6312 ZZ LLB LLU N NR 125.22 4.06 3.1 0.6 139.7 2.82
65 140 33 2.1 92500 60000 4900 5800 6313
70 150 35 3 104000 68000 4100 4800 6314*

Abutment and fillet dimensions (mm) Weight (kg)
da Da ra Dx CY CZ rNa Open (Approx)
min max max max (Approx.) max max max
12 12.5 17 0.3 0.005
12 13 20 0.3 25.5 1.5 0.7 0.3 0.009
12 13.5 24 0.3 0.019
14 16 26 0.6 35.5 2.9 1.2 0.5 0.032
14 17 31 0.6 40.5 2.9 1.2 0.5 0.053
14 14.5 19 0.3 0.006
14 15 22 0.3 27.5 1.5 0.7 0.3 0.011
14 26 0.3 0.019
14 16 26 0.3 0.571
16 17 28 0.6 37.5 2.9 1.2 0.5 0.037
17 18.5 32 1 42 2.9 1.2 0.5 0.06
17 17.5 22 0.3 0.007
17 17.5 26 0.3 31.5 1.9 0.9 0.3 0.016
17 30 0.3 0.571
17 19 30 0.3 37.5 2.9 1.2 0.3 0.03
19 20 31 0.6 40.5 2.9 1.2 0.5 0.045
20 23 37 1 47 2.9 1.2 0.5 0.082
19 19.5 24 0.3 0.008
19 20 28 0.3 33.5 1.9 0.9 0.3 0.018
19 33 0.3 0.032
19 21 33 0.3 40.5 2.9 1.2 0.3 0.039
21 23 36 0.6 45.5 2.9 1.2 0.5 0.066
22 25 42 1 53.5 3.3 1.2 0.5 0.115
22 22.5 30 0.3 35.5 1.9 0.9 0.3 0.019
22 24 35 0.3 40.5 2.3 0.9 0.3 0.036
22 40 0.3 0.051
24 26 38 0.6 47 2.9 1.2 0.5 0.069
25 28 42 1 53.5 3.3 1.2 0.5 0.106
26.5 28.5 45.5 1 58.5 3.3 1.2 0.5 0.144
26 26.5 40 0.6 49 2.9 1.2 0.5 0.074
27 29.5 45 1 56.5 3.3 1.2 0.5 0.117
28.5 31 49.5 1 62.5 3.3 1.2 0.5 0.176
27 28 35 0.3 40.5 1.9 0.9 0.3 0.571
27 29 40 0.3 45.5 2.3 0.9 0.3 0.042
27 45 0.3 0.06
29 30.5 43 0.6 53.5 2.9 1.2 0.5 0.08
30 32 47 1 58.5 3.3 1.2 0.5 0.128
31.5 35 55.5 1 68.5 4.6 1.7 0.5 0.232
33 72 1.5 0.53
32 34 48 0.6 58.5 2.9 1.2 0.5 0.098
33 35.5 53 1 64.5 3.3 1.2 0.5 0.171
34.5 38.5 61.5 1 76 4.6 1.7 0.5 0.284
32 33 40 0.3 45.5 1.9 0.9 0.3 0.026
32 34 45 0.3 50.5 2.3 0.9 0.3 0.048
32 53 0.3 0.091
35 37 50 1 61.5 2.9 1.2 0.5 0.116
35 39 57 1 68.5 4.6 1.7 0.5 0.199
36.5 43 65.5 1 80 4.6 1.7 0.5 0.36
37 39 53 1 64.5 2.9 1.2 0.5 0.129
37 40 60 1 71.5 4.6 1.7 0.5 0.226
38.5 43.5 68.5 1 83 4.6 1.7 0.5 0.382
37 38 45 0.3 50.5 1.9 0.9 0.3 0.571
39 40 51 0.6 58.8 2.3 0.9 0.5 0.074
37 60 0.3 0.11
40 42 57 1 68.5 3.4 1.7 0.5 0.155
41.5 45 65.5 1 80 4.6 1.7 0.5 0.288
43 47 72 1.5 88 4.6 1.7 0.5 0.457
42 43 50 0.3 55.5 1.9 0.9 0.3 0.033
44 45 58 0.6 65.5 2.3 0.9 0.5 0.11
42 66 0.3 0.125
45 47 63 1 76 3.8 1.7 0.5 0.19
46.5 51 73.5 1 88 4.6 1.7 0.5 0.366
48 54 82 1.5 98 5.4 2.5 0.5 0.63
47 48 56 0.3 61.5 1.9 0.9 0.3 0.04
49 51 64 0.6 72 2.3 0.9 0.5 0.128
49 71 0.6 0.171
50 52.5 70 1 83 3.8 1.7 0.5 0.237
51.5 55.5 78.5 1 93 4.6 1.7 0.5 0.398
53 61.5 92 1.5 108 5.4 2.5 0.5 0.814
52 54 63 0.3 68.5 1.9 0.9 0.3 0.052
54 55.5 68 0.6 76 2.3 0.9 0.5 0.132
54 76 0.6 0.18
55 57.5 75 1 88 3.8 1.7 0.5 0.261
56.5 60 83.5 1 98 5.4 2.5 0.5 0.454
59 68.5 101 2 118 5.4 2.5 0.5 1.07
57 59 70 0.3 76 2.3 0.9 0.3 0.083
60 61.5 75 1 86 2.9 1.2 0.5 0.18
59 86 0.6 0.258
61.5 64 83.5 1 98 5 2.5 0.5 0.388
63 67 92 1.5 108 5.4 2.5 0.5 0.601
64 74 111 2 131.5 6.5 2.9 0.5 1.37
62 64.5 76 0.3 87 2.5 1.2 0.3 0.106
65 66.5 80 1 91 2.9 1.2 0.5 0.193
64 91 0.6 0.283
66.5 69 88.5 1 103 5 2.5 0.5 0.414
68 75 102 1.5 118 5.4 2.5 0.5 0.783
71 80.5 119 2 141.5 6.5 2.9 0.5 1.73
76 129 2 2.08
81 139 2 2.52

 FACTORY DETAILED PROCESSING PHOTOS

HIGH QUALITY CONTROL SYSTEM


FAQ

1. Why choose CZPT China?

Over the past 17 years, CZPT has always insisted that “products and services” start from Japanese industry standards,taking ZheJiang standards as the bottom line, actively invest in the development of new transmission components and self-experiment and test. With the service tenet of “exceeding customer expectations”, establish a “trusted” partnership.

2. What is your main products ?

We are a leading manufacturer and distributor of linear motion components in China. Especially miniature size of Ball Screws and Linear Actuators and linear motion guideways. Our brand “KGG” stands for ” Know-how,” ” Great Quality,” and ” Good value” and our factory is located in the most advanced city in China: ZheJiang with the best equipment and sophisticated technology, completely strict quality control system. Our aim is to supply world leader class linear motion components but with most reasonable price in the world.

3. How to Custom-made (OEM/ODM)?

If you have a product drawing or a sample, please send to us, and we can custom-made the as your required. We will also provide our professional advices of the products to make the design to be more realized & maximize the performance.

4. When can I get the quotation?

We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price,please call us or tell us in your email so that we will regard your inquiry priority.

5. How can I get a sample to check the quality?

After confirmation of our quoted price, you can place the sample order. The sample will be started after you sign back our detailed technical file.

6. What’s your payment terms?

Our payment terms is 30% deposit,balance 70% before shipment. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Inner Diameter: 20mm
Outer Diameter: 37mm
Width: 9mm
Weight: 0.036kg
Aligning: Aligning Bearing
Separated: Unseparated
Customization:
Available

|

Customized Request

ball bearing

Are there Specific Maintenance Practices to Ensure the Longevity of Ball Bearings?

Maintaining ball bearings is essential to ensure their longevity, reliable performance, and prevent premature failure. Proper maintenance practices can extend the lifespan of ball bearings and the equipment they are used in. Here are specific maintenance practices to consider:

  • Regular Lubrication:

Implement a regular lubrication schedule using the appropriate lubricant for the application. Lubrication reduces friction, prevents wear, and helps dissipate heat. Follow manufacturer guidelines for lubricant type, quantity, and frequency.

  • Clean Environment:

Keep the operating environment clean and free from contaminants. Dust, dirt, and debris can infiltrate bearings and cause damage. Use seals or shields to protect bearings from contaminants, especially in harsh environments.

  • Proper Installation:

Ensure correct installation of bearings using proper tools and techniques. Improper installation can lead to misalignment, uneven load distribution, and premature wear. Follow manufacturer recommendations for installation procedures.

  • Regular Inspections:

Perform routine visual inspections to check for signs of wear, damage, or contamination. Regular inspections can help identify issues early and prevent further damage. Pay attention to noise, vibration, and temperature changes.

  • Temperature Monitoring:

Monitor bearing temperatures during operation using infrared thermometers or sensors. Abnormal temperature increases can indicate inadequate lubrication, misalignment, or other problems.

  • Correct Handling:

Handle bearings with care to prevent damage during storage, transportation, and installation. Avoid dropping or subjecting them to impacts that can affect their internal components.

  • Bearing Removal and Replacement:

Follow proper procedures when removing and replacing bearings. Use appropriate tools and techniques to avoid damage to the bearing or the surrounding components.

  • Alignment Maintenance:

Maintain proper shaft and housing alignment to prevent excessive loads and wear on the bearing. Misalignment can lead to increased stress and premature failure.

  • Training and Education:

Provide training to operators and maintenance personnel on proper bearing maintenance and handling practices. Educated personnel are more likely to identify issues and perform maintenance correctly.

  • Documented Records:

Keep records of maintenance activities, inspections, lubrication schedules, and any issues encountered. This documentation helps track the bearing’s performance over time and informs future maintenance decisions.

By implementing these maintenance practices, you can ensure the longevity of ball bearings, minimize downtime, reduce operational costs, and maintain the reliability of the equipment they are a part of.

ball bearing

What are the Differences between Deep Groove Ball Bearings and Angular Contact Ball Bearings?

Deep groove ball bearings and angular contact ball bearings are two common types of ball bearings, each designed for specific applications and load conditions. Here are the key differences between these two types of bearings:

  • Design and Geometry:

Deep Groove Ball Bearings:

Deep groove ball bearings have a simple design with a single row of balls that run along deep raceways in both the inner and outer rings. The rings are usually symmetrical and non-separable, resulting in a balanced load distribution.

Angular Contact Ball Bearings:

Angular contact ball bearings have a more complex design with two rows of balls, oriented at an angle to the bearing’s axis. This arrangement allows for the transmission of both radial and axial loads, making them suitable for combined loads and applications requiring high precision.

  • Load Carrying Capacity:

Deep Groove Ball Bearings:

Deep groove ball bearings are primarily designed to carry radial loads. They can handle axial loads in both directions, but their axial load-carrying capacity is generally lower compared to angular contact ball bearings.

Angular Contact Ball Bearings:

Angular contact ball bearings are specifically designed to handle both radial and axial loads. The contact angle between the rows of balls determines the bearings’ axial load-carrying capacity. They can handle higher axial loads and are commonly used in applications with thrust loads.

  • Contact Angle:

Deep Groove Ball Bearings:

Deep groove ball bearings have no defined contact angle, as the balls move in a deep groove along the raceways. They are primarily designed for radial loads.

Angular Contact Ball Bearings:

Angular contact ball bearings have a specified contact angle between the rows of balls. This contact angle allows them to carry both radial and axial loads and is crucial for their ability to handle combined loads.

  • Applications:

Deep Groove Ball Bearings:

Deep groove ball bearings are commonly used in applications that primarily require radial loads, such as electric motors, pumps, and conveyor systems. They are also suitable for high-speed operation.

Angular Contact Ball Bearings:

Angular contact ball bearings are used in applications where both radial and axial loads are present, such as in machine tools, automotive wheel hubs, and aerospace components. They are especially useful for applications that require precise axial positioning and handling of thrust loads.

  • Limitations:

Deep Groove Ball Bearings:

Deep groove ball bearings are not as suitable for handling significant axial loads and may experience skidding under certain conditions due to their deep raceways.

Angular Contact Ball Bearings:

Angular contact ball bearings can experience increased heat generation and wear at higher speeds due to the contact angle of the balls.

In summary, the design, load-carrying capacity, contact angle, and applications differ between deep groove ball bearings and angular contact ball bearings. Choosing the appropriate type depends on the specific load conditions and requirements of the application.

ball bearing

How does Lubrication Impact the Performance and Lifespan of Ball Bearings?

Lubrication plays a critical role in the performance and lifespan of ball bearings. Proper lubrication ensures smooth operation, reduces friction, minimizes wear, and prevents premature failure. Here’s how lubrication impacts ball bearings:

  • Friction Reduction:

Lubrication creates a thin film between the rolling elements (balls) and the raceways of the bearing. This film reduces friction by separating the surfaces and preventing direct metal-to-metal contact. Reduced friction results in lower energy consumption, heat generation, and wear.

  • Wear Prevention:

Lubricants create a protective barrier that prevents wear and damage to the bearing’s components. Without proper lubrication, the repeated rolling and sliding of the balls against the raceways would lead to accelerated wear, surface pitting, and eventual failure.

  • Heat Dissipation:

Lubricants help dissipate heat generated during operation. The rolling elements and raceways can generate heat due to friction. Adequate lubrication carries away this heat, preventing overheating and maintaining stable operating temperatures.

  • Corrosion Resistance:

Lubrication prevents moisture and contaminants from coming into direct contact with the bearing’s surfaces. This helps protect the bearing against corrosion, rust, and the formation of debris that can compromise its performance and longevity.

  • Noise Reduction:

Lubricated ball bearings operate quietly because the lubricant cushions and dampens vibrations caused by the rolling motion. This noise reduction is crucial in applications where noise levels need to be minimized.

  • Seal Protection:

Lubricants help maintain the effectiveness of seals or shields that protect the bearing from contaminants. They create a barrier that prevents particles from entering the bearing and causing damage.

  • Improved Efficiency:

Properly lubricated ball bearings operate with reduced friction, leading to improved overall efficiency. This is especially important in applications where energy efficiency is a priority.

  • Lifespan Extension:

Effective lubrication significantly extends the lifespan of ball bearings. Bearings that are properly lubricated experience less wear, reduced fatigue, and a lower likelihood of premature failure.

  • Selection of Lubricant:

Choosing the right lubricant is essential. Factors such as speed, temperature, load, and environmental conditions influence the choice of lubricant type and viscosity. Some common lubricant options include grease and oil-based lubricants.

  • Regular Maintenance:

Regular lubrication maintenance is crucial to ensure optimal bearing performance. Bearings should be inspected and relubricated according to manufacturer recommendations and based on the application’s operating conditions.

In summary, proper lubrication is essential for the optimal performance, longevity, and reliability of ball bearings. It reduces friction, prevents wear, dissipates heat, protects against corrosion, and contributes to smooth and efficient operation in various industrial and mechanical applications.

China Custom CZPT Radial Deep Groove Ball Bearings for Electric Machinery Industry 6904 Series   bearing driverChina Custom CZPT Radial Deep Groove Ball Bearings for Electric Machinery Industry 6904 Series   bearing driver
editor by CX 2024-04-16

China manufacturer Deep Groove Ball Bearings 6000-6040 6200-6240 6300-6330 6400-6420 Series for Industry& Mechanical & Agriculture, Auto and Motorcycle Parts supplier

Product Description

 

Product Description

 

Bearings  Ball Bearings
Seals Types Open, Z, ZZ, RZ,2RZ,RS, 2RS
Material  Chrome steel Gcr15
Retainer  Brass cage, steel cage, nylon cage
Vibration Level Z1V1,Z2V2,Z3V3
Clearance C2,C0,C3,C4,C5
Tolerance Codes ABEC-1,ABEC-3,ABEC-5
Precision  P0,P6,P5,P2 
Standard  DIN,GB,ISO,JIS,BA,ANSI 
Certification   ISO9001, SGS, CE,BV
Application  Auto, tractor ,machine tool, electric machine, water pump,agricultural machinery and textile machinery
Special properties High speed
Low noise
long life
Can be customized according to your needs
Can provide small & miniature standard and non-standard ball bearings.

 

 

 

Catalogue

 

Bearing No. I.D O.D W Loading Rating(KN) Steel Ball Parameter Max Speed
d D B Dynamic Static No. Size Grease Oil
mm inch mm inch mm inch Cr Cor mm r/min r/min
6000 10 0.3937 26 1.5716 8 0.3150 4.55 1.95 7 4.763 29000 34000
6001 12 0.4724 28 1.1571 8 0.3150 5.10 2.39 8 4.763 26000 30000
6002 15 0.5906 32 1.2598 9 0.3543 5.60 2.84 9 4.763 22000 26000
6003 17 0.6693 35 1.3780 10 0.3937 6.80 3.35 10 4.763 20000 24000
6004 20 0.7874 42 1.6535 12 0.4724 9.40 5.05 9 6.350 18000 21000
6005 25 0.9843 47 1.8504 12 0.4724 10.10 5.85 10 6.350 15000 18000
6006 30 1.1811 55 2.1654 13 0.5118 13.20 8.30 11 7.144 13000 15000
6007 35 1.3780 62 2.4409 14 0.5512 16.00 10.30 11 7.938 12000 14000
6008 40 1.5748 68 2.6772 15 0.5906 16.80 11.50 12 7.938 10000 12000
6009 45 1.7717 75 2.9528 16 0.6299 21.00 15.10 12 8.731 9200 11000
6571 50 1.9685 80 3.1496 16 0.6299 21.80 16.60 13 8.731 8400 9800
6011 55 2.1654 90 3.5433 18 0.7087 28.30 21.20 12 11.000 7700 9000
6012 60 2.3622 95 3.7402 18 0.7087 29.50 23.20 13 11.000 7000 8300
6013 65 2.5591 100 3.9370 18 0.7087 30.50 25.20 13 11.112 6500 7700
6014 70 2.7559 110 4.3307 20 0.7874 38.00 31.00 13 12.303 6100 7100
6015 75 2.9528 115 4.5276 20 0.7874 39.50 33.50 14 12.303 5700 6700
6016 80 3.1496 125 4.9213 22 0.8661 47.50 40.00 14 13.494 5300 6200

Bearing No. I.D O.D W Loading Rating(KN) Steel Ball Parameter Max Speed
d D B Dynamic Static No. Size Grease Oil
mm inch mm inch mm inch Cr Cor mm r/min r/min
6200 10 0.3937 30 1.1811 9 0.3543 5.10 2.39 8 4.763 25000 30000
6201 12 0.4724 32 1.2598 10 0.3937 6.10 2.75 7 5.953 22000 26000
6202 15 0.5906 35 1.3780 11 0.4331 7.75 3.60 8 5.953 19000 23000
6203 17 0.6693 40 1.5748 12 0.4724 9.60 4.60 8 6.747 18000 21000
6204 20 0.7874 47 1.8504 14 0.5512 12.80 6.65 8 7.938 16000 18000
6205 25 0.9843 52 2.571 15 0.5906 14.00 7.85 9 7.938 13000 15000
6206 30 1.1811 62 2.4409 16 0.6299 19.50 11.30 9 9.525 11000 13000
6207 35 1.3780 72 2.8346 17 0.6693 25.70 15.30 9 11.112 9800 11000
6208 40 1.5748 80 3.1496 18 0.7087 29.10 17.80 9 12.000 8700 10000
6209 45 1.7717 85 3.3465 19 0.7480 32.50 20.40 10 12.000 7800 9200
6210 50 1.9685 90 3.5433 20 0.7874 35.00 23.20 10 12.700 7100 8300
6211 55 2.1654 100 3.9370 21 0.8268 43.50 29.20 10 14.288 6400 7600
6212 60 2.3622 110 4.3307 22 0.8661 52.50 36.00 10 15.081 6000 7000
6213 65 2.5591 120 4.7244 23 0.9055 57.50 40.00 10 16.669 5500 6500
6214 70 2.7559 125 4.9213 24 0.9449 62.00 44.00 11 16.462 5100 6000
6215 75 2.9528 130 5.1181 25 0.9843 66.00 49.50 11 17.462 4800 5600
6216 80 3.1496 140 5.5118 26 1.5716 72.50 53.00 11 18.256 4500 5300
6217 85 3.3465 150 5.9055 28 1.1571 83.50 64.00 11 19.844 4200 5000
6218 90 3.5433 160 6.2992 30 1.1811 96.00 71.50 10 22.225 4000 4700

Bearing No. I.D O.D W Loading Rating(KN) Steel Ball Parameter Max Speed
d D B Dynamic Static No. Size Grease Oil
mm inch mm inch mm inch Cr Cor mm r/min r/min
6300 10 0.3937 35 1.3780 11 0.4331 8.20 3.50 6 7.144 23000 27000
6301 12 0.4724 37 1.4567 12 0.4724 9.70 4.20 6 7.938 20000 24000
6302 15 0.5906 42 1.6535 13 0.5118 11.40 5.45 7 7.938 17000 21000
6303 17 0.6693 47 1.8504 14 0.5512 13.50 6.55 7 8.731 16000 19000
6304 20 0.7874 52 2.571 15 0.5906 15.90 7.90 7 9.525 14000 27000
6305 25 0.9843 62 2.4409 17 0.6693 21.20 10.90 7 11.500 12000 14000
6306 30 1.1811 72 2.8346 19 0.7480 26.70 15.00 8 12.000 10000 12000
6307 35 1.3780 80 3.1496 21 0.8268 33.50 19.10 8 13.494 8800 10000
6308 40 1.5748 90 3.5433 23 0.9055 40.50 24.00 8 15.081 7800 9200
6309 45 1.7717 100 3.9370 25 0.9843 53.00 32.00 8 17.462 7000 8200
6310 50 1.9685 110 4.3307 27 1.0630 62.00 38.50 8 19.050 6400 7500
6311 55 2.1654 120 4.7244 29 1.1417 71.50 45.00 8 20.638 5800 6800
6312 60 2.3622 130 5.1181 31 1.2205 82.00 52.00 8 22.225 5400 6300
6313 65 2.5591 140 5.5118 33 1.2992 92.50 60.00 8 24.000 4900 5800
6314 70 2.7559 150 5.9055 35 1.3780 104.00 68.00 8 25.400 4600 5400
6315 75 2.9528 160 6.2992 37 1.4567 113.00 77.00 8 26.988 4300 5000
6316 80 3.1496 170 6.6929 39 1.5354 123.00 86.50 8 28.575 4000 4700

Workshop

Auto  Assembly Line

 

Warehouse

 

Packaging & Shipping

                             TUBE PACKAGE                                                                      PALLET

 

FAQ

Q1: Are you trading company or manufacturer ?
A: We are factory.
 

Q2: How long is your delivery time and shipment?
1.Sample Lead-times: 10-20 days.
2.Production Lead-times: 30-45 days after order confirmed.
 

Q3: What is your advantages?
1. The most competitive price and good quality.
2. Perfect technical engineers give you the best support.
3. OEM is available.

 

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Rolling Body: Ball Bearings
The Number of Rows: Single
Material: Bearing Steel
Load Direction: Radial Bearing
Separated: Unseparated
Vibration: V1/V2 /V3/V4
Customization:
Available

|

Customized Request

ball bearing

What are the Materials Typically Used in Manufacturing Ball Bearings and Their Advantages?

Ball bearings are manufactured using a variety of materials, each chosen for its specific properties and advantages in various applications. Here are some commonly used materials in ball bearing manufacturing and their respective benefits:

  • High-Carbon Chrome Steel (AISI 52100):

This is the most common material used for ball bearing manufacturing. It offers excellent hardness, wear resistance, and fatigue strength. High-carbon chrome steel bearings are suitable for a wide range of applications, from industrial machinery to automotive components.

  • Stainless Steel (AISI 440C, AISI 304, AISI 316):

Stainless steel bearings are corrosion-resistant and suitable for applications where moisture, chemicals, or exposure to harsh environments are concerns. AISI 440C offers high hardness and corrosion resistance, while AISI 304 and AISI 316 provide good corrosion resistance and are often used in food and medical industries.

  • Ceramic:

Ceramic bearings use silicon nitride (Si3N4) or zirconia (ZrO2) balls. Ceramic materials offer high stiffness, low density, and excellent resistance to corrosion and heat. Ceramic bearings are commonly used in high-speed and high-temperature applications, such as in aerospace and racing industries.

  • Plastic (Polyamide, PEEK):

Plastic bearings are lightweight and offer good corrosion resistance. Polyamide bearings are commonly used due to their low friction and wear properties. Polyether ether ketone (PEEK) bearings provide high-temperature resistance and are suitable for demanding environments.

  • Bronze:

Bronze bearings are often used in applications where self-lubrication is required. Bronze has good thermal conductivity and wear resistance. Bearings made from bronze are commonly used in machinery requiring frequent starts and stops.

  • Hybrid Bearings:

Hybrid bearings combine steel rings with ceramic balls. These bearings offer a balance between the advantages of both materials, such as improved stiffness and reduced weight. Hybrid bearings are used in applications where high speeds and low friction are essential.

  • Specialty Alloys:

For specific applications, specialty alloys may be used to meet unique requirements. For example, bearings used in extreme temperatures or corrosive environments may be made from materials like titanium or hastelloy.

  • Coated Bearings:

Bearings may also be coated with thin layers of materials like diamond-like carbon (DLC) or other coatings to enhance performance, reduce friction, and improve wear resistance.

The choice of material depends on factors such as application requirements, operating conditions, load, speed, and environmental factors. Selecting the right material is essential for ensuring optimal bearing performance, longevity, and reliability in diverse industries and applications.

ball bearing

What are the Differences between Deep Groove Ball Bearings and Angular Contact Ball Bearings?

Deep groove ball bearings and angular contact ball bearings are two common types of ball bearings, each designed for specific applications and load conditions. Here are the key differences between these two types of bearings:

  • Design and Geometry:

Deep Groove Ball Bearings:

Deep groove ball bearings have a simple design with a single row of balls that run along deep raceways in both the inner and outer rings. The rings are usually symmetrical and non-separable, resulting in a balanced load distribution.

Angular Contact Ball Bearings:

Angular contact ball bearings have a more complex design with two rows of balls, oriented at an angle to the bearing’s axis. This arrangement allows for the transmission of both radial and axial loads, making them suitable for combined loads and applications requiring high precision.

  • Load Carrying Capacity:

Deep Groove Ball Bearings:

Deep groove ball bearings are primarily designed to carry radial loads. They can handle axial loads in both directions, but their axial load-carrying capacity is generally lower compared to angular contact ball bearings.

Angular Contact Ball Bearings:

Angular contact ball bearings are specifically designed to handle both radial and axial loads. The contact angle between the rows of balls determines the bearings’ axial load-carrying capacity. They can handle higher axial loads and are commonly used in applications with thrust loads.

  • Contact Angle:

Deep Groove Ball Bearings:

Deep groove ball bearings have no defined contact angle, as the balls move in a deep groove along the raceways. They are primarily designed for radial loads.

Angular Contact Ball Bearings:

Angular contact ball bearings have a specified contact angle between the rows of balls. This contact angle allows them to carry both radial and axial loads and is crucial for their ability to handle combined loads.

  • Applications:

Deep Groove Ball Bearings:

Deep groove ball bearings are commonly used in applications that primarily require radial loads, such as electric motors, pumps, and conveyor systems. They are also suitable for high-speed operation.

Angular Contact Ball Bearings:

Angular contact ball bearings are used in applications where both radial and axial loads are present, such as in machine tools, automotive wheel hubs, and aerospace components. They are especially useful for applications that require precise axial positioning and handling of thrust loads.

  • Limitations:

Deep Groove Ball Bearings:

Deep groove ball bearings are not as suitable for handling significant axial loads and may experience skidding under certain conditions due to their deep raceways.

Angular Contact Ball Bearings:

Angular contact ball bearings can experience increased heat generation and wear at higher speeds due to the contact angle of the balls.

In summary, the design, load-carrying capacity, contact angle, and applications differ between deep groove ball bearings and angular contact ball bearings. Choosing the appropriate type depends on the specific load conditions and requirements of the application.

ball bearing

What are the Different Components that Make up a Typical Ball Bearing?

A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:

  • Outer Ring:

The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.

  • Inner Ring:

The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.

  • Balls:

The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables efficient movement and load distribution.

  • Cage or Retainer:

The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.

  • Seals and Shields:

Many ball bearings include seals or shields to protect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.

  • Lubricant:

Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.

  • Flanges and Snap Rings:

In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.

  • Raceways:

Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.

  • Anti-Friction Shield:

In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.

These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.

China manufacturer Deep Groove Ball Bearings 6000-6040 6200-6240 6300-6330 6400-6420 Series for Industry& Mechanical & Agriculture, Auto and Motorcycle Parts   supplierChina manufacturer Deep Groove Ball Bearings 6000-6040 6200-6240 6300-6330 6400-6420 Series for Industry& Mechanical & Agriculture, Auto and Motorcycle Parts   supplier
editor by CX 2024-04-08

China Best Sales COM Series Radial Spherical Plain Bearings COM10t COM12t COM16t Rod Ends Bearing Joint Ball Bearing bearing air

Product Description

Product Name: Bearings
Model:  COM10T COM12T COM16T
Type:

                                                              Joint Ball Bearing

Application: Engraving machine accessories spindle motor bearing
MOQ: 1
Stock: Large Quantity in Stock

 

 

Product Description

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

MOQ: 1
Type: Ball
Structure: Joint Ball Bearing
Samples:
US$ 10/Piece
1 Piece(Min.Order)

|

Order Sample

Customization:
Available

|

Customized Request

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

ball bearing

What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?

Ball bearings are subjected to wear and stress during operation, and over time, they may exhibit signs of damage or deterioration that warrant replacement. Recognizing these signs is crucial to prevent catastrophic failure and ensure safe and reliable operation. Here are the common signs of wear or damage in ball bearings:

  • Unusual Noise:

If you hear unusual grinding, clicking, or rumbling noises coming from the bearing during operation, it may indicate worn-out or damaged components. Unusual noise suggests that the bearing is no longer operating smoothly.

  • Vibration:

Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.

  • Increased Temperature:

Higher operating temperatures than usual may indicate increased friction due to inadequate lubrication, wear, or other issues. Monitoring the bearing’s temperature can help identify potential problems.

  • Irregular Movement:

If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.

  • Reduced Performance:

If the machinery’s performance has decreased, it may be due to a compromised bearing. Reduced efficiency, increased energy consumption, or a decline in overall performance could be indicators of bearing wear.

  • Visible Wear or Damage:

Inspect the bearing for visible signs of wear, such as pitting, scoring, or discoloration on the rolling elements or raceways. Severe wear or damage is a clear indication that the bearing needs replacement.

  • Leakage or Contamination:

If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.

  • Looseness or Excessive Play:

If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.

  • Reduced Lifespan:

If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.

  • Frequent Failures:

If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.

It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation.

ball bearing

How do Temperature and Environmental Conditions Affect the Performance of Ball Bearings?

Temperature and environmental conditions have a significant impact on the performance and longevity of ball bearings. The operating environment can influence factors such as lubrication effectiveness, material properties, and overall bearing behavior. Here’s how temperature and environmental conditions affect ball bearing performance:

  • Lubrication:

Temperature variations can affect the viscosity and flow characteristics of lubricants. Extreme temperatures can cause lubricants to become too thin or too thick, leading to inadequate lubrication and increased friction. In high-temperature environments, lubricants can degrade, reducing their effectiveness.

  • Material Properties:

Temperature changes can alter the material properties of the bearing components. High temperatures can lead to thermal expansion, affecting bearing clearances and potentially causing interference between components. Extreme cold temperatures can make materials more brittle and prone to fracture.

  • Clearance Changes:

Temperature fluctuations can cause changes in the internal clearance of ball bearings. For instance, at high temperatures, materials expand, leading to increased clearance. This can affect bearing performance, load distribution, and overall stability.

  • Corrosion and Contamination:

Harsh environmental conditions, such as exposure to moisture, chemicals, or abrasive particles, can lead to corrosion and contamination of bearing components. Corrosion weakens the material, while contamination accelerates wear and reduces bearing life.

  • Thermal Stress:

Rapid temperature changes can result in thermal stress within the bearing components. Differential expansion and contraction between the inner and outer rings can lead to stress and distortion, affecting precision and bearing integrity.

  • Noise and Vibration:

Temperature-related changes in material properties and internal clearances can influence noise and vibration levels. Extreme temperatures can lead to increased noise generation and vibration, affecting the overall operation of machinery.

  • Lubricant Degradation:

Environmental factors like humidity, dust, and contaminants can lead to premature lubricant degradation. Oxidation, moisture absorption, and the presence of foreign particles can compromise the lubricant’s performance and contribute to increased friction and wear.

  • Seal Effectiveness:

Seals and shields that protect bearings from contaminants can be affected by temperature fluctuations. Extreme temperatures can lead to seal hardening, cracking, or deformation, compromising their effectiveness in preventing contamination.

  • Choosing Appropriate Bearings:

When selecting ball bearings for specific applications, engineers must consider the expected temperature and environmental conditions. High-temperature bearings, bearings with specialized coatings, and those with enhanced sealing mechanisms may be necessary to ensure reliable performance.

Overall, understanding the impact of temperature and environmental conditions on ball bearing performance is crucial for proper bearing selection, maintenance, and ensuring optimal operation in diverse industries and applications.

ball bearing

What are the Primary Benefits of Using Ball Bearings in Machinery and Equipment?

Ball bearings offer several primary benefits when used in machinery and equipment. Their design and functionality provide advantages that contribute to the efficient and reliable operation of various applications. Here are the key benefits:

  • Reduced Friction:

One of the primary benefits of ball bearings is their ability to minimize friction between moving parts. The rolling motion of the balls reduces the contact area and sliding friction, leading to smoother operation and less energy loss due to frictional heating.

  • Efficient Load Support:

Ball bearings are engineered to support both radial and axial loads, making them versatile for applications with multidirectional forces. This load-bearing capability allows machinery to handle different types of loads while maintaining performance and stability.

  • Smooth Rotation:

Ball bearings enable smooth and precise rotational movement. The rolling motion of the balls provides consistent motion with minimal resistance, ensuring that machinery operates smoothly and without jerks.

  • High-Speed Capability:

Due to their low friction and efficient rolling action, ball bearings are suitable for high-speed applications. They allow machinery and equipment to achieve and maintain high rotational speeds without excessive wear or heat buildup.

  • Reduced Wear and Maintenance:

The reduced friction in ball bearings leads to lower wear on components. This results in longer service intervals and reduced maintenance requirements, saving both time and maintenance costs.

  • Energy Efficiency:

By minimizing friction and reducing energy losses, ball bearings contribute to the overall energy efficiency of machinery. This is particularly important in applications where energy consumption is a concern.

  • Versatility:

Ball bearings come in various types, sizes, and configurations, allowing them to be used in a wide range of machinery and equipment. They can be customized to suit specific application requirements.

  • Reliability and Longevity:

Ball bearings are designed to withstand heavy loads and harsh operating conditions. Their durability and resistance to wear ensure reliable performance and an extended operational life.

  • Quiet Operation:

Ball bearings contribute to quiet machinery operation due to the smooth rolling motion of the balls. This is particularly important in applications where noise reduction is a consideration.

In summary, the primary benefits of using ball bearings in machinery and equipment include reduced friction, efficient load support, smooth rotation, high-speed capability, reduced wear and maintenance, energy efficiency, versatility, reliability, and quiet operation. These benefits collectively enhance the performance and longevity of machinery across various industries.

China Best Sales COM Series Radial Spherical Plain Bearings COM10t COM12t COM16t Rod Ends Bearing Joint Ball Bearing   bearing airChina Best Sales COM Series Radial Spherical Plain Bearings COM10t COM12t COM16t Rod Ends Bearing Joint Ball Bearing   bearing air
editor by CX 2024-04-04

China Best Sales High-Quality Bearing Steel Can Be Customized Miniature Deep Groove Ball Bearings 6900 Series Zz/2RS Bearings wheel bearing

Product Description

Detailed Photos

Product Parameters

No. Size Rated load Weight
Inner Diameter Out Diameter Width (B) Chamfering Dynamic Static
d D Open Type Shielded Type rsmin (r) Cr Cr Close
mm inch mm inch mm inch mm inch mm inch N N KG
693 3 0.1181  8 0.3150  3 0.1181  4 0.1575  0.15 0.006  430 170 0.0008 
694 4 0.1575  11 0.4331  4 0.1575  4 0.1575  0.15 0.006  960 350 0.0017 
695 5 0.1969  13 0.5118  4 0.1575  4 0.1575  0.2 0.008  1070 420 0.571 
696 6 0.2362  15 0.5906  5 0.1969  5 0.1969  0.2 0.008  1470 600 0.0036 
697 7 0.2756  17 0.6693  5 0.1969  5 0.1969  0.3 0.012  1600 710 0.0050 
698 8 0.3150  19 0.7480  6 0.2362  6 0.2362  0.3 0.012  2230 910 0.0076 
699 9 0.3543  20 0.7874  6 0.2362  6 0.2362  0.3 0.012  2480 1090 0.0085 
6900 10 0.3937  22 0.8661  6 0.2362  6 0.2362  0.3 0.012  2690 1270 0.5710 
6901 12 0.4724  24 0.9449  6 0.2362  6 0.2362  0.3 0.012  2890 1460 0.0120 
6902 15 0.5906  28 1.1571  7 0.2756  7 0.2756  0.3 0.012  4320 2250 0.0180 
6903 17 0.6693  30 1.1811  7 0.2756  7 0.2756  0.3 0.012  4590 2550 0.0190 
6904 20 0.7874  37 1.4567  9 0.3543  9 0.3543  0.3 0.012  6370 3680 0.0380 
6905 25 0.9843  42 1.6535  9 0.3543  9 0.3543  0.3 0.012  6660 4180 0.0440 
6906 30 1.1811  47 1.8504  9 0.3543  9 0.3543  0.3 0.012  7240 5571 0.0500 
6907 35 1.3780  55 2.1654  10 0.3543  10 0.3937  0.6 0.571  10390 7160 0.7500 
6908 40 1.5748  62 2.4409  12 0.3937  12 0.4724  0.6 0.571  13571 9200 0.1180 
6909 45 1.7717  68 2.6772  12 0.4724  12 0.4724  0.6 0.571  13490 10130 0.1280 
6910 50 1.9685  72 2.8346  12 0.4724  12 0.4724  0.6 0.571  13900 1571 0.1330 
6911 55 2.1654  80 3.1496  13 0.4724  13 0.5118  1 0.039  14820 12690 0.1770 
6912 60 2.3622  85 3.3465  13 0.5118  13 0.5118  1 0.039  15080 13480 0.1910 
6913 65 2.5591  90 3.5433  13 0.5118  13 0.5118  1 0.039  19950 17490 0.2000 
6914 70 2.7559  100 3.9370  16 0.6299  16 0.6299  1 0.039  25950 21850 0.3270 
6915 75 2.9528  105 4.1339  16 0.6299  16 0.6299  1 0.039  26780 23560 0.3450 
6916 80 3.1496  110 4.3307  16 0.6299  16 0.6299  1 0.039  27590 25280  0.3630 
6917 85 3.3465  120 4.7244  18 0.7087  18 0.7087 1.1 0.043  31900 29700 0.5170 

 

No. Size Rated load Weight
Inner Diameter Out Diameter Width (B) Chamfering Dynamic Static
d D Open Type Shielded Type rsmin (r) Cr Cr Close
mm inch mm inch mm inch mm inch mm inch N N KG
6918 90 3.5433  125 4.9213  18 0.7087  18 0.7087  1.1 0.0430  32800 31500 0.5400 
6919 95 3.7402  130 5.1181  18 0.7087  18 0.7087  1.1 0.0430  33700 33300 0.5670 
6920 100 3.9370  140 5.5118  20 0.7874  20 0.7874  1.1 0.0430  39901 39135 0.7710 
6921 105 4.1339  145 5.7087  20 0.7874  20 0.7874  1.1 0.0430  41005 41410 0.7930 
6922 110 4.3307  150 5.9055  20 0.7874  20 0.7874  1.1 0.0430  42090 43537 0.8300 
6924 120 4.7244  165 6.4961  22 0.8661  22 0.8661  1.1 0.0430  55000 56900 1.1290 
6926 130 5.1181  180 7.0866  24 0.9449  24 0.9449  1.5 0.0590  65100 67200 1.7800 
6928 140 5.5181  190 7.4803  24 0.9449  24 0.9449  1.5 0.0590  66600 71200 1.8000 
6930 150 5.9055  210 8.2677  28 1.1571  28 1.1571  1.5 0.0590  84700 95710 2.1000 
6932 160 6.2922  220 8.6614  28 1.1571  28 1.1571  1.5 0.0590  86900 95500 3.9000 
6934 170 6.6929  230 9.571  28 1.1571  28 1.1571  1.5 0.0590  88800 100000 4.6000 
6936 180 7.0866  250 9.8425  33 1.2992  33 1.2992  1.5 0.0590  118000 133000 5.4000 
6938 190 7.4803  260 10.2362  33 1.2992  33 1.2992  1.5 0.0590  117000 133000 5.8600 
6940 200 7.8740  280 11.5716  38 1.4960  38 1.4960  2 0.0787  149000 168000 7.3000 
6944 220 8.6614  300 11.8110  38 1.4960  38 1.4960  2 0.0787  152000 178000 6.3400 
6948 240 9.4488  320 12.5984  38 1.4960  2 0.0787  142000 178000 8.2000 
6952 260 10.2362  360 14.1732  46 1.8110  2 0.0787  210000 268000 13.7000 
6956 280 11.5716  380 14.9606  46 1.8110  2 0.0787  210000 268000 15.0000 
6960 300 11.8110  420 16.5354  56 2.2047  2.5 0.0984  270000 370000 21.1000 
6964 320 12.5984  440 17.3228  56 2.2047  2.5 0.0984  275000 392000 23.0000 
6968 340 13.3858  460 18.1102  56 2.2047  3 0.1181  292000 418000 27.0000 
6972 360 14.1732  480 18.8976  56 2.2047  3 0.1181  319000 446000 40.0000 
619/500 500 19.6850  670 26.3779  78 3.0709  3.5 0.1378  445000 808000 80.0000 

Packaging & Shipping

Packaging Details
1.plastic tube + carton box + woven bag + pallet
2.Can be based on customer requires

Company Profile

ZheJiang Jieyi Bearing Co., Ltd. is a more than 10-year history of bearing trading company. We are located in the biggest bearing town in China–Yiandian Town.

Our products include: Deep Groove Ball Bearings, Self-aligning Ball Bearings, Spherical Bearings, Tapered Roller Bearings, Cylindrical Roller Bearings, Needle Roller Bearings, Self-aligning Roller Bearings, Angular Contact Ball Bearings, Thrust Ball Bearings and Trust Roller Bearings and Special Bearings. 

Jieyi Bearing has advanced quality testing and inspecting equipment, to guarantee product quality meets customers’ demand. Annually our company′s export over 10 million dollars.

To service dear customers at the fastest speed, we built a great Warehouse to stock bearings, so as to ship your required bearings fast. Inside of the bearing warehouse, there is all sourcing of bearing stock, with all kinds of bearings, over 10000 types. 

Jieyi Bearing also provides OEM service, such as bearing quality, noise level, grease brand, packing method, etc. We have enough OEM experience, and have a complete OEM manual for customer reference.
Products have been selling well in the American, French, Spanish, Austria, Italian, the U. A. E. Saudi, Pakistan, India, and Brizal markets.

With over 10 years′ experience in bearings market, Jieyi Bearing have built up good relationship with all of our customers and quality factory. We always get satisfactory feedback from our customers because of the high quality products and good OEM service. We always supply the quality, stable, economical bearings and proper technical services. 

Welcome to people of various enterprises with advance!

FAQ

1. HOW CAN WE GUARANTEE QUALITY?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

2. WHAT CAN YOU BUY FROM US?
Deep Groove Ball Bearings, Spherical Roller Bearings, Cylindrical Roller Bearings, Tapered Roller Bearings and Ceramic Bearings.

Specilizing In various types of bearings

3. WHAT SERVICES CAN WE PROVIDE?
Accepted Delivery Terms: FOB,CFR,CIF;
Accepted Payment Currency: USD,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken: English,Chinese

More Products

Application

Specific applications of deep groove ball bearings.
Aircraft models, remote control cars, machine tools, motors, pumps, agricultural machinery, textile machinery, laser printers, instruments, measuring instruments, electronic parts, etc.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Contact Angle: 15°
Aligning: Aligning Bearing
Separated: Separated
Samples:
US$ 0.2/Piece
1 Piece(Min.Order)

|

Order Sample

Customization:
Available

|

Customized Request

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

ball bearing

Can you Provide Examples of Industries where Ball Bearings are Crucial Components?

Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:

  • Automotive Industry:

Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.

  • Aerospace Industry:

In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.

  • Industrial Machinery:

Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.

  • Medical Equipment:

In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.

  • Robotics and Automation:

Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.

  • Renewable Energy:

Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.

  • Marine and Shipbuilding:

Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.

  • Heavy Equipment and Construction:

In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.

  • Electronics and Consumer Appliances:

Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.

  • Oil and Gas Industry:

In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry.

These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment.

ball bearing

What are the Differences between Deep Groove Ball Bearings and Angular Contact Ball Bearings?

Deep groove ball bearings and angular contact ball bearings are two common types of ball bearings, each designed for specific applications and load conditions. Here are the key differences between these two types of bearings:

  • Design and Geometry:

Deep Groove Ball Bearings:

Deep groove ball bearings have a simple design with a single row of balls that run along deep raceways in both the inner and outer rings. The rings are usually symmetrical and non-separable, resulting in a balanced load distribution.

Angular Contact Ball Bearings:

Angular contact ball bearings have a more complex design with two rows of balls, oriented at an angle to the bearing’s axis. This arrangement allows for the transmission of both radial and axial loads, making them suitable for combined loads and applications requiring high precision.

  • Load Carrying Capacity:

Deep Groove Ball Bearings:

Deep groove ball bearings are primarily designed to carry radial loads. They can handle axial loads in both directions, but their axial load-carrying capacity is generally lower compared to angular contact ball bearings.

Angular Contact Ball Bearings:

Angular contact ball bearings are specifically designed to handle both radial and axial loads. The contact angle between the rows of balls determines the bearings’ axial load-carrying capacity. They can handle higher axial loads and are commonly used in applications with thrust loads.

  • Contact Angle:

Deep Groove Ball Bearings:

Deep groove ball bearings have no defined contact angle, as the balls move in a deep groove along the raceways. They are primarily designed for radial loads.

Angular Contact Ball Bearings:

Angular contact ball bearings have a specified contact angle between the rows of balls. This contact angle allows them to carry both radial and axial loads and is crucial for their ability to handle combined loads.

  • Applications:

Deep Groove Ball Bearings:

Deep groove ball bearings are commonly used in applications that primarily require radial loads, such as electric motors, pumps, and conveyor systems. They are also suitable for high-speed operation.

Angular Contact Ball Bearings:

Angular contact ball bearings are used in applications where both radial and axial loads are present, such as in machine tools, automotive wheel hubs, and aerospace components. They are especially useful for applications that require precise axial positioning and handling of thrust loads.

  • Limitations:

Deep Groove Ball Bearings:

Deep groove ball bearings are not as suitable for handling significant axial loads and may experience skidding under certain conditions due to their deep raceways.

Angular Contact Ball Bearings:

Angular contact ball bearings can experience increased heat generation and wear at higher speeds due to the contact angle of the balls.

In summary, the design, load-carrying capacity, contact angle, and applications differ between deep groove ball bearings and angular contact ball bearings. Choosing the appropriate type depends on the specific load conditions and requirements of the application.

ball bearing

What are the Primary Benefits of Using Ball Bearings in Machinery and Equipment?

Ball bearings offer several primary benefits when used in machinery and equipment. Their design and functionality provide advantages that contribute to the efficient and reliable operation of various applications. Here are the key benefits:

  • Reduced Friction:

One of the primary benefits of ball bearings is their ability to minimize friction between moving parts. The rolling motion of the balls reduces the contact area and sliding friction, leading to smoother operation and less energy loss due to frictional heating.

  • Efficient Load Support:

Ball bearings are engineered to support both radial and axial loads, making them versatile for applications with multidirectional forces. This load-bearing capability allows machinery to handle different types of loads while maintaining performance and stability.

  • Smooth Rotation:

Ball bearings enable smooth and precise rotational movement. The rolling motion of the balls provides consistent motion with minimal resistance, ensuring that machinery operates smoothly and without jerks.

  • High-Speed Capability:

Due to their low friction and efficient rolling action, ball bearings are suitable for high-speed applications. They allow machinery and equipment to achieve and maintain high rotational speeds without excessive wear or heat buildup.

  • Reduced Wear and Maintenance:

The reduced friction in ball bearings leads to lower wear on components. This results in longer service intervals and reduced maintenance requirements, saving both time and maintenance costs.

  • Energy Efficiency:

By minimizing friction and reducing energy losses, ball bearings contribute to the overall energy efficiency of machinery. This is particularly important in applications where energy consumption is a concern.

  • Versatility:

Ball bearings come in various types, sizes, and configurations, allowing them to be used in a wide range of machinery and equipment. They can be customized to suit specific application requirements.

  • Reliability and Longevity:

Ball bearings are designed to withstand heavy loads and harsh operating conditions. Their durability and resistance to wear ensure reliable performance and an extended operational life.

  • Quiet Operation:

Ball bearings contribute to quiet machinery operation due to the smooth rolling motion of the balls. This is particularly important in applications where noise reduction is a consideration.

In summary, the primary benefits of using ball bearings in machinery and equipment include reduced friction, efficient load support, smooth rotation, high-speed capability, reduced wear and maintenance, energy efficiency, versatility, reliability, and quiet operation. These benefits collectively enhance the performance and longevity of machinery across various industries.

China Best Sales High-Quality Bearing Steel Can Be Customized Miniature Deep Groove Ball Bearings 6900 Series Zz/2RS Bearings   wheel bearingChina Best Sales High-Quality Bearing Steel Can Be Customized Miniature Deep Groove Ball Bearings 6900 Series Zz/2RS Bearings   wheel bearing
editor by CX 2024-03-30

China best CZPT High Quality Steel Angular Contact Ball Bearings for Machine Tool Spindles 70ad Series carrier bearing

Product Description

KGG: Precision Angled Contact Ball Bearing~70AD Series

Advantages and features of CZPT bearings

∞ CZPT Ball Bearings consist of an outer ring, an inner ring, and a plurality of rollers and spacers. The bearing with high rotation accuracy capable of bearing loads in every direction. Because it has orthogonally arranged cylindrical rollers, it can bear loads in every direction. CZPT provides 2 kinds of bearings: Deep Groove Ball Bearing and Angular Contact Ball Bearings.   

∞ ACBB, which is the abbreviation of angular contact ball bearings. With different contact angles, the higher axial load can be well taken care now. CZPT standard ball bearings are the perfect solution for high runout accuracy applications such as machine tool main spindles.

∞ Deep groove ball bearings are widely used in many industries for decades. A deep groove is formed on each inner and outer ring of the bearings enabling them to sustain radial and axial loads or even combinations of both. As the leading deep groove ball bearing factory, CZPT Bearings owns abundant experience in designing and producing this type of bearing.                           

Application:

1. Medical industry
2.Lithium battery industry
3.Solar photovoltaic industry
4. Semi conductor Industry
5. General industry machinery
6. Machine tool
7. Parking system
8. High-speed rail and aviation transportation equipment
9. 3C industry etc

Technical Drawing

Specification List
 

Boundary Dimensions (mm) Basic Load Ratings Static Axial Load Capacity Bearing Numbers Type Load Center Limiting Speeds nL (min1) Reference Dimensions (mm) Abutment and Dimensions (mm) Space Capacity (cm3) Weight (kg)
d D B r r1 Cr cr (KN) C” (KN)  (Kgf)   a Grease Oil d, D, d2 4 Da Db % 1as Open (Approx) Open (Approx)
min min (KN) (Kgf) (Kgf) min max max max max
10 26 8 0.3 0.15 5.1 520 2.41 246 2.33 238 7000AD* 8.2 55000 84700 15.4 20.6 22.7 12.5 23.5 24.8 0.3 0.15 0.9 0.019
12 28 8 0.3 0.15 5.2 530 2.53 258 3.1 318 7001 AD* 8.8 49500 76100 18 22.9 25.2 14.5 25.5 26.8 0.3 0.15 1 0.571
15 32 9 0.3 0.15 5.95 605 3.2 330 3.75 385 7002AD* 10 42100 64800 21.1 25.9 28.2 17.5 29.5 30.8 0.3 0.15 1.3 0.03
17 35 10 0.3 0.15 6.3 640 3.6 370 3.9 400 7003AD* 11.1 38100 58600 23.4 29 30.7 19.5 32.5 33.8 0.3 0.15 1.8 0.037
20 42 12 0.6 0.3 10.5 1080 6.25 640 7.55 770 7004AD* 12.2 31900 49200 27.5 34.5 37.3 24.5 37.5 39.5 0.6 0.3 2.9 0.067
25 47 12 0.6 0.3 11 1130 7.05 720 8.2 840 7005AD 14.4 27500 42400 32.5 39.5 42.3 29.5 42.5 44.5 0.6 0.3 3.3 0.079
30 55 13 1 0.6 14.4 1470 9.8 1000 11.5 1180 7006AD 15.9 23300 35800 38.6 46.4 49.5 35.5 49.5 50.5 1 0.6 4.8 0.11
35 62 14 1 0.6 18.2 1860 13 1330 14.1 1440 7007AD 17.8 20500 31400 44.2 52.8 56.3 40.5 56.5 57.5 1 0.6 6.3 0.15
40 68 15 1 0.6 19.5 1990 15.1 1540 16.4 1680 7008AD* 19.6 18300 28300 49.6 58.3 61.8 45.5 62.5 63.5 1 0.6 7.4 0.19
45 75 16 1 0.6 23 2350 18.2 1860 20.6 2100 7009AD* 21.5 16500 25400 55.2 64.8 68.6 50.5 69.5 70.5 1 0.6 9.4 0.24
50 80 16 1 0.6 24.6 2510 20.7 2120 23.1 2360 7571AD 23.2 15200 23500 60.2 69.8 73.6 55.5 74.5 75.5 1 0.6 11 0.26
55 90 18 1.1 0.6 32 3300 27.1 2770 30 3100 7011 AD 25.9 13700 21100 66.8 78.1 82.7 62 83 85.5 1 0.6 16 0.38
60 95 18 1.1 0.6 33 3350 29.1 2970 31 3200 7012AD 27.1 12800 19700 71.8 83.1 87.6 67 88 90.5 1 0.6 17 0.41
65 100 18 1.1 0.6 35 3550 32 3300 33 3400 7013AD 28.2 12000 18500 76.8 881 92.6 72 93 95.5 1 0.6 18 0.44
70 110 20 1.1 0.6 44 4500 40.5 4150 42 4300 7014AD 31 11000 17000 83.6 96.4 101.7 77 103 105.5 1 0.6 24 0.61
75 115 20 1.1 0.6 45 4600 43 4400 47 4800 7015 AD 22.1 10500 16100 88.5 101.5 106.7 82 108 110.5 1 0.6 26 0.64
80 125 22 1.1 0.6 55.5 5650 52 5350 58.5 5950 7016AD 34.9 9700 14900 95.1 109.9 115.8 87 118 120.5 1 0.6 34 0.86
85 130 22 1.1 0.6 56.5 5800 55.5 5650 61 6200 7017AD 36.1 9200 14200 100.1 114.9 120.8 92 123 125.5 1 0.6 36 0.9
90 140 24 1.5 1.1 67.5 6900 65.5 6650 75 7650 7018AD 38.8 8600 13300 106.8 123.2 129.8 98.5 131.5 134.5 1.5 1 47 1.17
95 145 24 1.5 1.1 69.5 7050 69 7050 77.5 7900 7019AD* 40 8300 12700 111.7 128.2 134.8 103.5 136.5 139.5 1.5 1 49 1.22
100 150 24 1.5 1.1 71 7250 73 7450 82.5 8450 7571AD 41.1 7900 12200 116.8 132.2 139.8 108.5 141.5 144.5 1.5 1 51 1.27

FACTORY DETAILED PROCESSING PHOTOS

HIGH QUALITY CONTROL SYSTEM


FAQ

1. Why choose CZPT China?

Over the past 17 years, CZPT has always insisted that “products and services” start from Japanese industry standards,taking ZheJiang standards as the bottom line, actively invest in the development of new transmission components and self-experiment and test. With the service tenet of “exceeding customer expectations”, establish a “trusted” partnership.

2. What is your main products ?

We are a leading manufacturer and distributor of linear motion components in China. Especially miniature size of Ball Screws and Linear Actuators and linear motion guideways. Our brand “KGG” stands for ” Know-how,” ” Great Quality,” and ” Good value” and our factory is located in the most advanced city in China: ZheJiang with the best equipment and sophisticated technology, completely strict quality control system. Our aim is to supply world leader class linear motion components but with most reasonable price in the world.

3. How to Custom-made (OEM/ODM)?

If you have a product drawing or a sample, please send to us, and we can custom-made the as your required. We will also provide our professional advices of the products to make the design to be more realized & maximize the performance.

4. When can I get the quotation?

We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price,please call us or tell us in your email so that we will regard your inquiry priority.

5. How can I get a sample to check the quality?

After confirmation of our quoted price, you can place the sample order. The sample will be started after you sign back our detailed technical file.

6. What’s your payment terms?

Our payment terms is 30% deposit,balance 70% before shipment. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Contact Angle: 25°
Aligning: Non-Aligning Bearing
Separated: Separated
Rows Number: Single
Load Direction: Radial Bearing
Material: Bearing Steel
Customization:
Available

|

Customized Request

ball bearing

What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?

Ball bearings are subjected to wear and stress during operation, and over time, they may exhibit signs of damage or deterioration that warrant replacement. Recognizing these signs is crucial to prevent catastrophic failure and ensure safe and reliable operation. Here are the common signs of wear or damage in ball bearings:

  • Unusual Noise:

If you hear unusual grinding, clicking, or rumbling noises coming from the bearing during operation, it may indicate worn-out or damaged components. Unusual noise suggests that the bearing is no longer operating smoothly.

  • Vibration:

Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.

  • Increased Temperature:

Higher operating temperatures than usual may indicate increased friction due to inadequate lubrication, wear, or other issues. Monitoring the bearing’s temperature can help identify potential problems.

  • Irregular Movement:

If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.

  • Reduced Performance:

If the machinery’s performance has decreased, it may be due to a compromised bearing. Reduced efficiency, increased energy consumption, or a decline in overall performance could be indicators of bearing wear.

  • Visible Wear or Damage:

Inspect the bearing for visible signs of wear, such as pitting, scoring, or discoloration on the rolling elements or raceways. Severe wear or damage is a clear indication that the bearing needs replacement.

  • Leakage or Contamination:

If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.

  • Looseness or Excessive Play:

If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.

  • Reduced Lifespan:

If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.

  • Frequent Failures:

If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.

It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation.

ball bearing

How do Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?

Ceramic ball bearings and traditional steel ball bearings have distinct characteristics that can impact their performance in various applications. Here’s a comparison of how these two types of bearings differ in terms of performance:

  • Material Composition:

Ceramic Ball Bearings:

Ceramic ball bearings use ceramic rolling elements, typically made from materials like silicon nitride (Si3N4) or zirconium dioxide (ZrO2). These ceramics are known for their high hardness, low density, and resistance to corrosion and wear.

Traditional Steel Ball Bearings:

Traditional steel ball bearings use steel rolling elements. The type of steel used can vary, but common materials include chrome steel (52100) and stainless steel (440C). Steel bearings are known for their durability and strength.

  • Friction and Heat:

Ceramic Ball Bearings:

Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings.

Traditional Steel Ball Bearings:

Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial.

  • Weight:

Ceramic Ball Bearings:

Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important.

Traditional Steel Ball Bearings:

Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability.

  • Corrosion Resistance:

Ceramic Ball Bearings:

Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries.

Traditional Steel Ball Bearings:

Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time.

  • Speed and Precision:

Ceramic Ball Bearings:

Ceramic bearings can operate at higher speeds due to their lower friction and ability to withstand higher temperatures. They are also known for their high precision and low levels of thermal expansion.

Traditional Steel Ball Bearings:

Steel bearings can operate at high speeds as well, but their heat generation may limit performance in certain applications. Precision steel bearings are also available but may have slightly different characteristics compared to ceramics.

  • Cost:

Ceramic Ball Bearings:

Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components.

Traditional Steel Ball Bearings:

Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications.

In conclusion, ceramic ball bearings and traditional steel ball bearings offer different performance characteristics. Ceramic bearings excel in terms of low friction, heat generation, corrosion resistance, and weight reduction. Steel bearings are durable, cost-effective, and widely used in various applications. The choice between the two depends on the specific requirements of the application, such as speed, precision, corrosion resistance, and budget considerations.

ball bearing

What is a Ball Bearing and How does it Function in Various Applications?

A ball bearing is a type of rolling-element bearing that uses balls to reduce friction between moving parts and support radial and axial loads. It consists of an outer ring, an inner ring, a set of balls, and a cage that separates and maintains a consistent spacing between the balls. Here’s how ball bearings function in various applications:

  • Reduction of Friction:

Ball bearings function by replacing sliding friction with rolling friction. The smooth, spherical balls minimize the contact area between the inner and outer rings, resulting in lower friction and reduced heat generation.

  • Radial and Axial Load Support:

Ball bearings are designed to support both radial loads (forces perpendicular to the shaft’s axis) and axial loads (forces parallel to the shaft’s axis). The distribution of balls within the bearing ensures load-carrying capacity in multiple directions.

  • Smooth Rotational Movement:

Ball bearings facilitate smooth and precise rotational movement. The rolling motion of the balls allows for controlled and continuous rotation with minimal resistance.

  • Applications in Machinery:

Ball bearings are used in a wide range of machinery and equipment, including motors, generators, gearboxes, conveyors, and fans. They enable the efficient transfer of motion while reducing wear and energy losses.

  • Automotive Industry:

Ball bearings are extensively used in automobiles for various applications, including wheel hubs, transmission systems, steering mechanisms, and engine components. They provide reliability and durability in challenging automotive environments.

  • Industrial Machinery:

In industrial settings, ball bearings support rotating shafts and ensure the smooth operation of equipment such as pumps, compressors, and machine tools.

  • High-Speed Applications:

Ball bearings are suitable for high-speed applications due to their low friction and ability to accommodate rapid rotation. They are used in applications like electric motors and aerospace components.

  • Precision Instruments:

For precision instruments, such as watches, cameras, and medical devices, ball bearings provide accurate rotational movement and contribute to the overall performance of the instrument.

  • Variety of Sizes and Types:

Ball bearings come in various sizes, configurations, and materials to suit different applications. Different types include deep groove ball bearings, angular contact ball bearings, thrust ball bearings, and more.

In summary, ball bearings are essential components in a wide range of applications where smooth rotation, load support, and reduced friction are critical. Their versatility, reliability, and efficiency make them indispensable in industries spanning from automotive to industrial machinery to precision instruments.

China best CZPT High Quality Steel Angular Contact Ball Bearings for Machine Tool Spindles 70ad Series   carrier bearingChina best CZPT High Quality Steel Angular Contact Ball Bearings for Machine Tool Spindles 70ad Series   carrier bearing
editor by CX 2024-03-29

China Custom Ucpf Series Inch Bore Size Spherical Ball Bearings with Pressed Blocks ball bearing

Product Description

Block bearing Description:   
1).The pillow block bearing units are the combination of 1 Y-bearing(insert bearing, which is a single row deep groove ball bearing with convex sphered outside) and a plummer block housing(which has a correspondingly sphered but concave bore). 
2).This bearing units are available in various materials and styles and can incorporate most of bearings. The main 3 types of materials for the housing include: CZPT material, grey cast iron, sheet steel. 
3).The plummber block units are secured on the shaft via the bearing inner ring by: (1). Grub screws; (2). Eccentric locking collar with grub screw; (3). Adapter sleeve. 
The rib at the bottom of the housing mounting section provides for a robust unit that can withstand great loads from any direction. Mounted units with cast steel housings are also available in this series, and are used for applications with severe loading and shock load conditions. Tapered-bore style units are offered individually and adapters are sold separately.
Our advantages:
We now have 100 customers from all over the world.

1. We have own factory and 80% of staff in our company worked for more than 10 years.
2. We provide a competitive price.
3. High precision, tolerance can be within ±0.01mm.
4. 14 years’ export experience.
5. Small order also is welcomed.
6. We can also provide one-stop service, including mold and assembly.
7. NDA apply to all customers.

Mould Warehouse
FAQ
1.Do you provide samples ? is it free or extra ?
Yes, we could offer the sample for free charge but do not pay the cost of freight.
2. How about the shipping cost?
The cost of shipping depends on the method you choose to obtain the goods. Express delivery is usually the fastest method, but it is also the most expensive method. Shipping is the best solution for large quantities. For the exact shipping cost, we can only provide you with detailed information after knowing the quantity, weight and dimension.
3. Do you have Stock productions to sell?
Yes, of course. But we also offer OEM service. The mold is customized, Please send us some drawing.
What information do you want to know if i want to get a quotation?
a). The application for your products.
b). Special package methods if you needs.
4. Do you inspect the finished products?
Yes. Each step of products will be carried out inspection by QC department until shipping
5. How long is your delivery time?
Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to
quantity. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Logo Printing: with Logo Printing
Size: Middle
Customized: Non-Customized
Type: Bearing
Material: Metal
Certification: ISO 9001:2008, ISO 9001:2000, CE
Samples:
US$ 0/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

ball bearing

How does Preload Affect the Performance and Efficiency of Ball Bearings?

Preload is a crucial factor in ball bearing design that significantly impacts the performance, efficiency, and overall behavior of the bearings in various applications. Preload refers to the intentional axial force applied to the bearing’s rolling elements before it is mounted. This force eliminates internal clearance and creates contact between the rolling elements and the raceways. Here’s how preload affects ball bearing performance:

  • Reduction of Internal Clearance:

Applying preload reduces the internal clearance between the rolling elements and the raceways. This eliminates play within the bearing, ensuring that the rolling elements are in constant contact with the raceways. This reduced internal clearance enhances precision and reduces vibrations during operation.

  • Increased Stiffness:

Preloaded bearings are stiffer due to the elimination of internal clearance. This increased stiffness improves the bearing’s ability to handle axial and radial loads with higher accuracy and minimal deflection.

  • Minimized Axial Play:

Preload minimizes or eliminates axial play within the bearing. This is especially important in applications where axial movement needs to be minimized, such as machine tool spindles and precision instruments.

  • Enhanced Rigidity:

The stiffness resulting from preload enhances the bearing’s rigidity, making it less susceptible to deformation under load. This is critical for maintaining precision and accuracy in applications that require minimal deflection.

  • Reduction in Ball Slippage:

Preload reduces the likelihood of ball slippage within the bearing, ensuring consistent contact between the rolling elements and the raceways. This leads to improved efficiency and better load distribution.

  • Improved Running Accuracy:

Preloading enhances the running accuracy of the bearing, ensuring that it maintains precise rotational characteristics even under varying loads and speeds. This is essential for applications requiring high accuracy and repeatability.

  • Optimized Performance at High Speeds:

Preload helps prevent skidding and slipping of the rolling elements during high-speed operation. This ensures that the bearing remains stable, reducing the risk of noise, vibration, and premature wear.

  • Impact on Friction and Heat Generation:

While preload reduces internal clearance and friction, excessive preload can lead to higher friction and increased heat generation. A balance must be struck between optimal preload and minimizing friction-related issues.

  • Application-Specific Considerations:

The appropriate amount of preload depends on the application’s requirements, such as load, speed, accuracy, and operating conditions. Over-preloading can lead to increased stress and premature bearing failure, while under-preloading may result in inadequate rigidity and reduced performance.

Overall, preload plays a critical role in optimizing the performance, accuracy, and efficiency of ball bearings. Engineers must carefully determine the right preload level for their specific applications to achieve the desired performance characteristics and avoid potential issues related to overloading or inadequate rigidity.

ball bearing

How do Temperature and Environmental Conditions Affect the Performance of Ball Bearings?

Temperature and environmental conditions have a significant impact on the performance and longevity of ball bearings. The operating environment can influence factors such as lubrication effectiveness, material properties, and overall bearing behavior. Here’s how temperature and environmental conditions affect ball bearing performance:

  • Lubrication:

Temperature variations can affect the viscosity and flow characteristics of lubricants. Extreme temperatures can cause lubricants to become too thin or too thick, leading to inadequate lubrication and increased friction. In high-temperature environments, lubricants can degrade, reducing their effectiveness.

  • Material Properties:

Temperature changes can alter the material properties of the bearing components. High temperatures can lead to thermal expansion, affecting bearing clearances and potentially causing interference between components. Extreme cold temperatures can make materials more brittle and prone to fracture.

  • Clearance Changes:

Temperature fluctuations can cause changes in the internal clearance of ball bearings. For instance, at high temperatures, materials expand, leading to increased clearance. This can affect bearing performance, load distribution, and overall stability.

  • Corrosion and Contamination:

Harsh environmental conditions, such as exposure to moisture, chemicals, or abrasive particles, can lead to corrosion and contamination of bearing components. Corrosion weakens the material, while contamination accelerates wear and reduces bearing life.

  • Thermal Stress:

Rapid temperature changes can result in thermal stress within the bearing components. Differential expansion and contraction between the inner and outer rings can lead to stress and distortion, affecting precision and bearing integrity.

  • Noise and Vibration:

Temperature-related changes in material properties and internal clearances can influence noise and vibration levels. Extreme temperatures can lead to increased noise generation and vibration, affecting the overall operation of machinery.

  • Lubricant Degradation:

Environmental factors like humidity, dust, and contaminants can lead to premature lubricant degradation. Oxidation, moisture absorption, and the presence of foreign particles can compromise the lubricant’s performance and contribute to increased friction and wear.

  • Seal Effectiveness:

Seals and shields that protect bearings from contaminants can be affected by temperature fluctuations. Extreme temperatures can lead to seal hardening, cracking, or deformation, compromising their effectiveness in preventing contamination.

  • Choosing Appropriate Bearings:

When selecting ball bearings for specific applications, engineers must consider the expected temperature and environmental conditions. High-temperature bearings, bearings with specialized coatings, and those with enhanced sealing mechanisms may be necessary to ensure reliable performance.

Overall, understanding the impact of temperature and environmental conditions on ball bearing performance is crucial for proper bearing selection, maintenance, and ensuring optimal operation in diverse industries and applications.

ball bearing

What are the Different Components that Make up a Typical Ball Bearing?

A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:

  • Outer Ring:

The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.

  • Inner Ring:

The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.

  • Balls:

The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables efficient movement and load distribution.

  • Cage or Retainer:

The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.

  • Seals and Shields:

Many ball bearings include seals or shields to protect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.

  • Lubricant:

Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.

  • Flanges and Snap Rings:

In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.

  • Raceways:

Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.

  • Anti-Friction Shield:

In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.

These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.

China Custom Ucpf Series Inch Bore Size Spherical Ball Bearings with Pressed Blocks   ball bearingChina Custom Ucpf Series Inch Bore Size Spherical Ball Bearings with Pressed Blocks   ball bearing
editor by CX 2024-03-05

China manufacturer CZPT Precision Bearings Deep Groove Ball Bearings for Twist Car Parts 16011* Series bearing engineering

Product Description

KGG:Precision Deep Groove Ball Bearing

Advantages and features of CZPT bearings

∞ CZPT Ball Bearings consist of an outer ring, an inner ring, and a plurality of rollers and spacers. The bearing with high rotation accuracy capable of bearing loads in every direction. Because it has orthogonally arranged cylindrical rollers, it can bear loads in every direction. CZPT provides 2 kinds of bearings: Deep Groove Ball Bearing and Angular Contact Ball Bearings.   

∞ ACBB, which is the abbreviation of angular contact ball bearings. With different contact angles, the higher axial load can be well taken care now. CZPT standard ball bearings are the perfect solution for high runout accuracy applications such as machine tool main spindles.

∞ Deep groove ball bearings are widely used in many industries for decades. A deep groove is formed on each inner and outer ring of the bearings enabling them to sustain radial and axial loads or even combinations of both. As the leading deep groove ball bearing factory, CZPT Bearings owns abundant experience in designing and producing this type of bearing.                           

Application:

1. Medical industry
2.Lithium battery industry
3.Solar photovoltaic industry
4. Semi conductor Industry
5. General industry machinery
6. Machine tool
7. Parking system
8. High-speed rail and aviation transportation equipment
9. 3C industry etc

Specification List
 

Boundary Dimensions (mm) Basic Load Ratings(N) Limiting Speeds (rpm) Bearing Numbers Type Snap ring groove dimensions Snap ring
dimensions
d D B r dynamic
Cr
static Cor Grease Oil Open
type
Shield
ZZ
Seal
non-contact
LLB
Low
torque
type
LLH
Seal
contact
LLU
Snap ring
groove
Snap
ring
D1 a b ro D2 f
min Open Z,ZZ
LB,LLB
LLH LU LLU Open Z LB max max min max max max
10 19 5 0.3 1830 925 32000 24000 38000 6800 ZZ LLB LLU
22 6 0.3 2700 1270 30000 21000 36000 6900 ZZ LLB LLU N NR 20.8 1.05 0.8 0.2 24.8 0.7
26 8 0.3 4550 1960 29000 25000 21000 34000 6000 ZZ LLB LLH LLU N NR
30 9 0.6 5100 2390 25000 21000 18000 30000 6200 ZZ LLB LLH LLU N NR 28.17 2.06 1.35 0.4 34.7 1.12
35 11 0.6 8200 3500 23000 20000 16000 27000 6300 ZZ LLB LLH LLU N NR 33.17 2.06 1.35 0.4 39.7 1.12
12 21 5 0.3 1920 1040 29000 20000 35000 6801 ZZ LLB LLU
24 6 0.3 2890 1460 27000 19000 32000 6901 ZZ LLB LLU N NR 22.8 1.05 0.8 0.2 26.8 0.7
28 7 0.3 5100 2390 26000 30000 16001
28 8 0.3 5100 2390 26000 21000 18000 30000 6001 ZZ LLB LLH LLU N NR
32 10 0.6 6100 2750 22000 20000 16000 26000 6201 ZZ LLB LLH LLU N NR 30.5 2.06 1.35 0.4 36.7 1.12
37 12 1 9700 4200 20000 19000 15000 24000 6301 ZZ LLB LLH LLU N NR 34.77 2.06 1.35 0.4 41.3 1.12
15 24 5 0.3 2080 1260 26000 17000 31000 6802 ZZ LLB LLU
28 7 0.3 3650 2000 24000 16000 28000 6902 ZZ LLB LLU N NR 26.7 1.3 0.95 0.25 30.8 0.85
32 8 0.3 5600 2830 22000 26000 16002
32 9 0.3 5600 2830 22000 18000 15000 26000 6002 ZZ LLB LLH LLU N NR 30.15 2.06 1.35 0.4 36.7 1.12
35 11 0.6 7750 3600 19000 18000 15000 23000 6202 ZZ LLB LLH LLU N NR 33.17 2.06 1.35 0.4 39.7 1.12
42 13 1 11400 5450 17000 15000 12000 21000 6302 ZZ LLB LLH LLU N NR 39.75 2.06 1.35 0.4 46.3 1.12
17 24 5 0.3 2080 1260 26000 17000 31000 6802 ZZ LLB LLU
28 7 0.3 3650 2000 24000 16000 28000 6902 ZZ LLB LLU N NR 28.7 1.3 0.95 0.25 32.8 0.85
32 8 0.3 5600 2830 22000 26000 16002
32 9 0.3 5600 2830 22000 18000 15000 26000 6002 ZZ LLB LLH LLU N NR 33.17 2.06 1.35 0.4 39.7 1.12
35 11 0.6 7750 3600 19000 18000 15000 23000 6202 ZZ LLB LLH LLU N NR 38.1 2.06 1.35 0.4 44.6 1.12
42 13 1 11400 5450 17000 15000 12000 21000 6302 ZZ LLB LLH LLU N NR 44.6 2.46 1.35 0.4 52.7 1.12
20 32 7 0.3 4000 2470 21000 13000 25000 6804 ZZ LLB LLU N NR 30.7 1.3 0.95 0.25 34.8 0.85
37 9 0.3 6400 3700 19000 12000 23000 6904 ZZ LLB LLU N NR 35.7 1.7 0.95 0.25 39.8 0.85
42 8 0.3 7900 4500 18000 21000 16004
42 12 0.6 9400 5050 18000 13000 11000 21000 6004 ZZ LLB LLH LLU N NR 39.75 2.06 1.35 0.4 46.3 1.12
47 14 1 12800 6650 16000 12000 10000 18000 6204 ZZ LLB LLH LLU N NR 44.6 2.46 1.35 0.4 52.7 1.12
52 15 1.1 15900 7900 14000 12000 10000 17000 6304 ZZ LLB LLH LLU N NR 49.73 2.46 1.35 0.4 57.9 1.12
22 44 12 0.6 9400 5050 17000 13000 10000 20000 60/22 ZZ LLB LLH LLU N NR 41.75 2.06 1.35 0.4 48.3 1.12
50 14 1 12900 6800 14000 12000 9700 17000 62/22 ZZ LLB LLH LLU N NR 47.6 2.46 1.35 0.4 55.7 1.12
56 16 1.1 18400 9250 13000 11000 9200 15000 63/22 ZZ LLB LLH LLU N NR 53.6 2.46 1.35 0.4 61.7 1.12
25 37 7 0.3 4300 2950 18000 10000 21000 6805 ZZ LLB LLU N NR 35.7 1.3 0.95 0.25 39.8 0.85
42 9 0.3 7050 4550 16000 9800 19000 6905 ZZ LLB LLU N NR 40.7 1.7 0.95 0.25 44.8 0.85
47 8 0.3 8350 5100 15000 18000 16005
47 12 0.6 15710 5850 15000 11000 9400 18000 6005 ZZ LLB LLH LLU N NR 44.6 2.06 1.35 0.4 52.7 1.12
52 15 1 14000 7850 13000 11000 8900 15000 6205 ZZ LLB LLH LLU N NR 49.73 2.46 1.35 0.4 57.9 1.12
62 17 1.1 21200 10900 12000 9700 8100 14000 6305 ZZ LLB LLH LLU N NR 59.61 3.28 1.9 0.6 67.7 1.7
80 21 1.5 34500 17500 10000 12000 6405
28 52 12 0.6 12500 7400 14000 10000 8400 16000 60/28 ZZ LLB LLH LLU N NR 49.7 2.06 1.35 0.4 57.9 1.12
58 16 1 17900 9750 12000 9700 8100 14000 62/28 ZZ LLB LLH LLU N NR 55.6 2.46 1.35 0.4 63.7 1.12
68 18 1.1 26700 14000 11000 8900 7400 13000 63/28 ZZ LLB LLH LLU N NR 64.82 3.28 1.9 0.6 74.6 1.7
30 42 7 0.3 4700 3650 15000 8800 18000 6806 ZZ LLB LLU N NR 40.7 1.3 0.95 0.25 44.8 0.85
47 9 0.3 7250 5000 14000 8400 17000 6906 ZZ LLB LLU N NR 45.7 1.7 0.95 0.25 49.8 0.85
55 9 0.3 11200 7350 13000 15000 16006*
55 13 1 13200 8300 13000 9200 7700 15000 6006 ZZ LLB LLH LLU N NR 52.6 2.08 1.35 0.4 60.7 1.12
62 16 1 19500 11300 11000 8800 7300 13000 6206 ZZ LLB LLH LLU N NR 59.61 3.28 1.9 0.6 67.7 1.7
72 19 1.1 26700 15000 10000 7900 6600 12000 6306 ZZ LLB LLH LLU N NR 68.81 3.28 1.9 0.6 78.6 1.7
32 58 13 1 11800 8050 12000 8700 7200 15000 60/32 ZZ LLB LLH LLU N NR 55.6 2.08 1.35 0.4 63.7 1.12
65 17 1 20700 11600 11000 8400 7100 12000 62/32 ZZ LLB LLH LLU N NR 62.6 3.28 1.9 0.6 70.7 1.7
75 20 1.1 29800 16900 9500 7700 6500 11000 63/32* ZZ LLB LLH LLU N NR 71.83 3.28 1.9 0.6 81.6 1.7
35 47 7 0.3 4900 4050 13000 16000 6807* ZZ LLB LLU N NR 45.7 1.3 0.95 0.25 49.8 0.85
55 10 0.6 9550 6850 12000 7100 15000 6907 ZZ LLB LLU N NR 53.7 1.7 0.95 0.25 57.8 0.85
62 9 0.3 11700 8200 12000 14000 16007*
62 14 1 16000 10300 12000 8200 6800 14000 6007 ZZ LLB LLH LLU N NR 59.61 2.08 1.9 0.6 67.7 1.7
72 17 1.1 25700 15300 9800 7600 6300 11000 6207 ZZ LLB LLH LLU N NR 68.81 3.28 1.9 0.6 78.6 1.7
80 21 1.5 33500 19100 8800 7300 6000 10000 6307 ZZ LLB LLH LLU N NR 76.81 3.28 1.9 0.6 86.6 1.7
52 7 0.3 5100 4400 12000 14000 6808 ZZ LLB LLU N NR 50.7 1.3 0.95 0.25 54.8 0.85
40 62 12 0.6 12200 8900 11000 6300 13000 6908 ZZ LLB LLU N NR 60.7 1.7 0.95 0.25 64.8 0.85
68 9 0.3 12600 9650 10000 12000 16008*
68 15 1 16800 11500 10000 7300 6100 12000 6008 ZZ LLB LLH LLU N NR 64.82 2.49 1.9 0.6 74.6 1.7
80 18 1.1 29100 17800 8700 6700 5600 10000 6208 ZZ LLB LLH LLU N NR 76.81 3.28 1.9 0.6 86.6 1.7
90 23 1.5 40500 24000 7800 6400 5300 9200 6308 ZZ LLB LLH LLU N NR 86.79 3.28 2.7 0.6 96.5 2.46
45 58 7 0.3 5350 4950 11000 5900 12000 6809* ZZ LLB LLU N NR 56.7 1.3 0.95 0.25 60.8 0.85
68 12 0.6 13100 10400 9800 5600 12000 6909 ZZ LLB LLU N NR 66.7 1.7 0.95 0.25 70.8 0.85
75 10 0.6 12900 10500 9200 11000 16009*
75 16 1 21000 15100 9200 6500 5400 11000 6009 ZZ LLB LLH LLU N NR 71.83 2.49 1.9 0.6 81.6 1.7
85 19 1.1 32500 20400 7800 6200 5200 9200 6209 ZZ LLB LLH LLU N NR 81.81 3.28 1.9 0.6 91.6 1.7
100 25 1.5 53000 32000 7000 5600 4700 8200 6309 ZZ LLB LLH LLU N NR 96.8 3.28 2.7 0.6 106.5 2.46
50 65 7 0.3 6600 6100 9600 5300 11000 6810 ZZ LLB LLU N NR 63.7 1.3 0.95 0.25 67.8 0.85
72 12 0.6 13400 11200 8900 5100 11000 6910* ZZ LLB LLU N NR 70.7 1.7 0.95 0.25 74.8 0.85
80 10 0.6 13200 11300 8400 9800 16571
80 16 1 21800 16600 8400 6000 5000 9800 6571 ZZ LLB LLH LLU N NR 76.81 2.49 1.9 0.6 86.6 1.7
90 20 1.1 35000 23200 7100 5700 4700 8300 6210 ZZ LLB LLH LLU N NR 86.79 3.28 2.7 0.6 96.5 2.46
110 27 2 62000 38500 6400 5000 4200 7500 6310 ZZ LLB LLH LLU N NR 106.81 3.28 2.7 0.6 116.6 2.46
55 72 9 0.3 8800 8100 8700 4800 10000 6811* ZZ LLB LLU N NR 70.7 1.7 0.95 0.25 74.8 0.85
80 13 1 16000 13300 8200 4600 9600 6911* ZZ LLB LLU N NR 77.9 2.1 1.3 0.4 84.4 1.12
90 11 0.6 18600 15300 7700 9000 16011*
90 18 1.1 28300 21200 7700 4500 9000 6011 ZZ LLB LLU N NR 86.79 2.87 2.7 0.6 96.5 2.46
100 21 1.5 43500 29200 6400 4300 7600 6211* ZZ LLB LLU N NR 96.8 3.28 2.7 0.6 106.5 2.46
120 29 2 71500 45000 5800 3900 6800 6311 ZZ LLB LLU N NR 115.21 4.06 3.1 0.6 129.7 2.82
60 78 10 0.3 11500 10600 8000 4400 9400 6812* ZZ LLB LLU N NR 76.2 1.7 1.3 0.4 82.7 1.12
85 13 1 16400 14300 7600 4300 8900 6912* ZZ LLB LLU N NR 82.9 2.1 1.3 0.4 89.4 1.12
95 11 0.6 20000 17500 7000 8300 16012*
95 18 1.1 29500 23200 7000 4100 8300 6012* ZZ LLB LLU N NR 91.82 2.87 2.7 0.6 101.6 2.46
110 22 1.5 52500 36000 6000 3800 7000 6212 ZZ LLB LLU N NR 106.81 3.28 2.7 0.6 116.6 2.46
130 31 2.1 82000 52000 5400 3600 6300 6312 ZZ LLB LLU N NR 125.22 4.06 3.1 0.6 139.7 2.82
65 140 33 2.1 92500 60000 4900 5800 6313
70 150 35 3 104000 68000 4100 4800 6314*

Abutment and fillet dimensions (mm) Weight (kg)
da Da ra Dx CY CZ rNa Open (Approx)
min max max max (Approx.) max max max
12 12.5 17 0.3 0.005
12 13 20 0.3 25.5 1.5 0.7 0.3 0.009
12 13.5 24 0.3 0.019
14 16 26 0.6 35.5 2.9 1.2 0.5 0.032
14 17 31 0.6 40.5 2.9 1.2 0.5 0.053
14 14.5 19 0.3 0.006
14 15 22 0.3 27.5 1.5 0.7 0.3 0.011
14 26 0.3 0.019
14 16 26 0.3 0.571
16 17 28 0.6 37.5 2.9 1.2 0.5 0.037
17 18.5 32 1 42 2.9 1.2 0.5 0.06
17 17.5 22 0.3 0.007
17 17.5 26 0.3 31.5 1.9 0.9 0.3 0.016
17 30 0.3 0.571
17 19 30 0.3 37.5 2.9 1.2 0.3 0.03
19 20 31 0.6 40.5 2.9 1.2 0.5 0.045
20 23 37 1 47 2.9 1.2 0.5 0.082
19 19.5 24 0.3 0.008
19 20 28 0.3 33.5 1.9 0.9 0.3 0.018
19 33 0.3 0.032
19 21 33 0.3 40.5 2.9 1.2 0.3 0.039
21 23 36 0.6 45.5 2.9 1.2 0.5 0.066
22 25 42 1 53.5 3.3 1.2 0.5 0.115
22 22.5 30 0.3 35.5 1.9 0.9 0.3 0.019
22 24 35 0.3 40.5 2.3 0.9 0.3 0.036
22 40 0.3 0.051
24 26 38 0.6 47 2.9 1.2 0.5 0.069
25 28 42 1 53.5 3.3 1.2 0.5 0.106
26.5 28.5 45.5 1 58.5 3.3 1.2 0.5 0.144
26 26.5 40 0.6 49 2.9 1.2 0.5 0.074
27 29.5 45 1 56.5 3.3 1.2 0.5 0.117
28.5 31 49.5 1 62.5 3.3 1.2 0.5 0.176
27 28 35 0.3 40.5 1.9 0.9 0.3 0.571
27 29 40 0.3 45.5 2.3 0.9 0.3 0.042
27 45 0.3 0.06
29 30.5 43 0.6 53.5 2.9 1.2 0.5 0.08
30 32 47 1 58.5 3.3 1.2 0.5 0.128
31.5 35 55.5 1 68.5 4.6 1.7 0.5 0.232
33 72 1.5 0.53
32 34 48 0.6 58.5 2.9 1.2 0.5 0.098
33 35.5 53 1 64.5 3.3 1.2 0.5 0.171
34.5 38.5 61.5 1 76 4.6 1.7 0.5 0.284
32 33 40 0.3 45.5 1.9 0.9 0.3 0.026
32 34 45 0.3 50.5 2.3 0.9 0.3 0.048
32 53 0.3 0.091
35 37 50 1 61.5 2.9 1.2 0.5 0.116
35 39 57 1 68.5 4.6 1.7 0.5 0.199
36.5 43 65.5 1 80 4.6 1.7 0.5 0.36
37 39 53 1 64.5 2.9 1.2 0.5 0.129
37 40 60 1 71.5 4.6 1.7 0.5 0.226
38.5 43.5 68.5 1 83 4.6 1.7 0.5 0.382
37 38 45 0.3 50.5 1.9 0.9 0.3 0.571
39 40 51 0.6 58.8 2.3 0.9 0.5 0.074
37 60 0.3 0.11
40 42 57 1 68.5 3.4 1.7 0.5 0.155
41.5 45 65.5 1 80 4.6 1.7 0.5 0.288
43 47 72 1.5 88 4.6 1.7 0.5 0.457
42 43 50 0.3 55.5 1.9 0.9 0.3 0.033
44 45 58 0.6 65.5 2.3 0.9 0.5 0.11
42 66 0.3 0.125
45 47 63 1 76 3.8 1.7 0.5 0.19
46.5 51 73.5 1 88 4.6 1.7 0.5 0.366
48 54 82 1.5 98 5.4 2.5 0.5 0.63
47 48 56 0.3 61.5 1.9 0.9 0.3 0.04
49 51 64 0.6 72 2.3 0.9 0.5 0.128
49 71 0.6 0.171
50 52.5 70 1 83 3.8 1.7 0.5 0.237
51.5 55.5 78.5 1 93 4.6 1.7 0.5 0.398
53 61.5 92 1.5 108 5.4 2.5 0.5 0.814
52 54 63 0.3 68.5 1.9 0.9 0.3 0.052
54 55.5 68 0.6 76 2.3 0.9 0.5 0.132
54 76 0.6 0.18
55 57.5 75 1 88 3.8 1.7 0.5 0.261
56.5 60 83.5 1 98 5.4 2.5 0.5 0.454
59 68.5 101 2 118 5.4 2.5 0.5 1.07
57 59 70 0.3 76 2.3 0.9 0.3 0.083
60 61.5 75 1 86 2.9 1.2 0.5 0.18
59 86 0.6 0.258
61.5 64 83.5 1 98 5 2.5 0.5 0.388
63 67 92 1.5 108 5.4 2.5 0.5 0.601
64 74 111 2 131.5 6.5 2.9 0.5 1.37
62 64.5 76 0.3 87 2.5 1.2 0.3 0.106
65 66.5 80 1 91 2.9 1.2 0.5 0.193
64 91 0.6 0.283
66.5 69 88.5 1 103 5 2.5 0.5 0.414
68 75 102 1.5 118 5.4 2.5 0.5 0.783
71 80.5 119 2 141.5 6.5 2.9 0.5 1.73
76 129 2 2.08
81 139 2 2.52

  FACTORY DETAILED PROCESSING PHOTOS

HIGH QUALITY CONTROL SYSTEM


FAQ

1. Why choose CZPT China?

Over the past 17 years, CZPT has always insisted that “products and services” start from Japanese industry standards,taking ZheJiang standards as the bottom line, actively invest in the development of new transmission components and self-experiment and test. With the service tenet of “exceeding customer expectations”, establish a “trusted” partnership.

2. What is your main products ?

We are a leading manufacturer and distributor of linear motion components in China. Especially miniature size of Ball Screws and Linear Actuators and linear motion guideways. Our brand “KGG” stands for ” Know-how,” ” Great Quality,” and ” Good value” and our factory is located in the most advanced city in China: ZheJiang with the best equipment and sophisticated technology, completely strict quality control system. Our aim is to supply world leader class linear motion components but with most reasonable price in the world.

3. How to Custom-made (OEM/ODM)?

If you have a product drawing or a sample, please send to us, and we can custom-made the as your required. We will also provide our professional advices of the products to make the design to be more realized & maximize the performance.

4. When can I get the quotation?

We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price,please call us or tell us in your email so that we will regard your inquiry priority.

5. How can I get a sample to check the quality?

After confirmation of our quoted price, you can place the sample order. The sample will be started after you sign back our detailed technical file.

6. What’s your payment terms?

Our payment terms is 30% deposit,balance 70% before shipment. /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Inner Diameter: 55mm
Outer Diameter: 90mm
Width: 11mm
Weight: 0.258kg
Aligning: Aligning Bearing
Separated: Unseparated
Customization:
Available

|

Customized Request

ball bearing

How does Preload Affect the Performance and Efficiency of Ball Bearings?

Preload is a crucial factor in ball bearing design that significantly impacts the performance, efficiency, and overall behavior of the bearings in various applications. Preload refers to the intentional axial force applied to the bearing’s rolling elements before it is mounted. This force eliminates internal clearance and creates contact between the rolling elements and the raceways. Here’s how preload affects ball bearing performance:

  • Reduction of Internal Clearance:

Applying preload reduces the internal clearance between the rolling elements and the raceways. This eliminates play within the bearing, ensuring that the rolling elements are in constant contact with the raceways. This reduced internal clearance enhances precision and reduces vibrations during operation.

  • Increased Stiffness:

Preloaded bearings are stiffer due to the elimination of internal clearance. This increased stiffness improves the bearing’s ability to handle axial and radial loads with higher accuracy and minimal deflection.

  • Minimized Axial Play:

Preload minimizes or eliminates axial play within the bearing. This is especially important in applications where axial movement needs to be minimized, such as machine tool spindles and precision instruments.

  • Enhanced Rigidity:

The stiffness resulting from preload enhances the bearing’s rigidity, making it less susceptible to deformation under load. This is critical for maintaining precision and accuracy in applications that require minimal deflection.

  • Reduction in Ball Slippage:

Preload reduces the likelihood of ball slippage within the bearing, ensuring consistent contact between the rolling elements and the raceways. This leads to improved efficiency and better load distribution.

  • Improved Running Accuracy:

Preloading enhances the running accuracy of the bearing, ensuring that it maintains precise rotational characteristics even under varying loads and speeds. This is essential for applications requiring high accuracy and repeatability.

  • Optimized Performance at High Speeds:

Preload helps prevent skidding and slipping of the rolling elements during high-speed operation. This ensures that the bearing remains stable, reducing the risk of noise, vibration, and premature wear.

  • Impact on Friction and Heat Generation:

While preload reduces internal clearance and friction, excessive preload can lead to higher friction and increased heat generation. A balance must be struck between optimal preload and minimizing friction-related issues.

  • Application-Specific Considerations:

The appropriate amount of preload depends on the application’s requirements, such as load, speed, accuracy, and operating conditions. Over-preloading can lead to increased stress and premature bearing failure, while under-preloading may result in inadequate rigidity and reduced performance.

Overall, preload plays a critical role in optimizing the performance, accuracy, and efficiency of ball bearings. Engineers must carefully determine the right preload level for their specific applications to achieve the desired performance characteristics and avoid potential issues related to overloading or inadequate rigidity.

ball bearing

What Precautions should be taken to Prevent Contamination of Ball Bearings in Industrial Settings?

Preventing contamination of ball bearings is essential to ensure their proper function, longevity, and overall performance in industrial settings. Contaminants such as dust, dirt, debris, and particles can significantly impact bearing operation. Here are important precautions to take to prevent contamination of ball bearings:

  • Effective Sealing:

Choose ball bearings with appropriate seals or shields to prevent the ingress of contaminants. Seals provide a physical barrier against dust, moisture, and particles, ensuring the bearing’s interior remains clean.

  • Clean Environment:

Maintain a clean working environment around the machinery and equipment. Regularly clean the surrounding areas to prevent the accumulation of dirt and debris that could enter the bearings.

  • Proper Handling:

Handle bearings with clean hands and use gloves if necessary. Avoid touching the bearing surfaces with bare hands, as natural skin oils can transfer contaminants onto the bearing.

  • Clean Tools and Equipment:

Use clean tools and equipment during installation and maintenance to prevent introducing contaminants. Ensure that tools are properly cleaned before coming into contact with the bearing components.

  • Contamination-Controlled Workstations:

Establish contamination-controlled workstations for bearing handling, installation, and maintenance. These areas should have proper ventilation, filtered air, and minimal exposure to external contaminants.

  • Proper Lubrication:

Use the correct lubricant in appropriate quantities. Lubricants help create a barrier against contaminants and reduce friction. Regularly inspect and replenish lubrication to maintain its effectiveness.

  • Regular Inspections:

Implement a routine inspection schedule to monitor the condition of the bearings. Look for signs of contamination, wear, and damage. Address any issues promptly to prevent further damage.

  • Training and Education:

Train personnel on proper handling, installation, and maintenance practices to minimize the risk of contamination. Educated employees are more likely to take precautions and prevent accidental contamination.

  • Environmental Controls:

In sensitive environments, such as clean rooms or medical facilities, implement strict environmental controls to minimize the presence of contaminants that could affect bearing performance.

  • Regular Cleaning and Maintenance:

Perform regular cleaning and maintenance of machinery and equipment to prevent the buildup of contaminants. Keep bearings protected during maintenance to prevent debris from entering during the process.

  • Selection of Suitable Bearings:

Choose bearings that are specifically designed for the application’s environmental conditions. Some bearings have advanced sealing options or specialized coatings that enhance contamination resistance.

By implementing these precautions, industries can significantly reduce the risk of contamination in ball bearings, ensuring smooth operation, extended bearing life, and enhanced equipment reliability.

ball bearing

What is a Ball Bearing and How does it Function in Various Applications?

A ball bearing is a type of rolling-element bearing that uses balls to reduce friction between moving parts and support radial and axial loads. It consists of an outer ring, an inner ring, a set of balls, and a cage that separates and maintains a consistent spacing between the balls. Here’s how ball bearings function in various applications:

  • Reduction of Friction:

Ball bearings function by replacing sliding friction with rolling friction. The smooth, spherical balls minimize the contact area between the inner and outer rings, resulting in lower friction and reduced heat generation.

  • Radial and Axial Load Support:

Ball bearings are designed to support both radial loads (forces perpendicular to the shaft’s axis) and axial loads (forces parallel to the shaft’s axis). The distribution of balls within the bearing ensures load-carrying capacity in multiple directions.

  • Smooth Rotational Movement:

Ball bearings facilitate smooth and precise rotational movement. The rolling motion of the balls allows for controlled and continuous rotation with minimal resistance.

  • Applications in Machinery:

Ball bearings are used in a wide range of machinery and equipment, including motors, generators, gearboxes, conveyors, and fans. They enable the efficient transfer of motion while reducing wear and energy losses.

  • Automotive Industry:

Ball bearings are extensively used in automobiles for various applications, including wheel hubs, transmission systems, steering mechanisms, and engine components. They provide reliability and durability in challenging automotive environments.

  • Industrial Machinery:

In industrial settings, ball bearings support rotating shafts and ensure the smooth operation of equipment such as pumps, compressors, and machine tools.

  • High-Speed Applications:

Ball bearings are suitable for high-speed applications due to their low friction and ability to accommodate rapid rotation. They are used in applications like electric motors and aerospace components.

  • Precision Instruments:

For precision instruments, such as watches, cameras, and medical devices, ball bearings provide accurate rotational movement and contribute to the overall performance of the instrument.

  • Variety of Sizes and Types:

Ball bearings come in various sizes, configurations, and materials to suit different applications. Different types include deep groove ball bearings, angular contact ball bearings, thrust ball bearings, and more.

In summary, ball bearings are essential components in a wide range of applications where smooth rotation, load support, and reduced friction are critical. Their versatility, reliability, and efficiency make them indispensable in industries spanning from automotive to industrial machinery to precision instruments.

China manufacturer CZPT Precision Bearings Deep Groove Ball Bearings for Twist Car Parts 16011* Series   bearing engineeringChina manufacturer CZPT Precision Bearings Deep Groove Ball Bearings for Twist Car Parts 16011* Series   bearing engineering
editor by CX 2024-02-23

China Custom CZPT Black Phosphating Radial Spherical Plain Bearings Ge Series for Excavator connecting rod bearing

Product Description

Bearings
SGJ Black Phosphating Radial Spherical Plain Bearings GE Series for Excavator

Spherical plain bearingThe spherical plain bearing is a spherical sliding bearing. Its sliding contact surface is an inner spherical surface and an outer spherical surface. It can rotate and swing at any angle during movement. It adopts surface phosphating, frying, inlaying, spraying and other special processes. Method made. Joint bearings have the characteristics of large load capacity, impact resistance, corrosion resistance, wear resistance, self-aligning and good lubrication. Joint bearings can withstand larger loads. According to its different types and structures, it can bear radial load, axial load or a combined load of both radial and axial. Because the outer spherical surface of the inner ring is inlaid with CZPT materials, the bearing can produce self-lubrication during operation. It is generally used for low-speed swing motion and low-speed rotation. It can also be used for tilting motion within a certain angle range. When the support shaft and the shaft housing hole have a large misalignment, it can still work normally. Self-lubricating joint bearings are used in water conservancy, professional machinery and other industries.

SGJ Radial Spherical Plain Bearings GE Series
No. Items Model Dimensions(mm) Load Ratings Weight
d D B C dk r1 min r2 min α Dynamic Static (Kg)
(KN) (KN)
1 GE15ES GE15ES 2RS 15 26 12 9 22 0.3 0.3 8 16 84 0.571
2 GE17ES GE17ES 2RS 17 30 14 10 25 0.3 0.3 10 21 106 0.041
3 GE20ES GE20ES 2RS 20 35 16 12 29 0.3 0.3 9 30 146 0.066
4 GE25ES GE25ES 2RS 25 42 20 16 35.5 0.6 0.6 7 48 240 0.119
5 GE30ES GE30ES 2RS 30 47 22 18 40.7 0.6 0.6 6 62 310 0.153
6 GE35ES GE35ES 2RS 35 55 25 20 47 0.6 1 6 79 399 0.233
7 GE40ES GE40ES 2RS 40 62 28 22 53 0.6 1 7 99 495 0.306
8 GE45ES GE45ES 2RS 45 68 32 25 60 0.6 1 7 127 637 0.427
9 GE50ES GE50ES 2RS 50 75 35 28 66 0.6 1 6 156 780 0.546
10 GE60ES GE60ES 2RS 60 90 44 36 80 1 1 6 245 1220 1.04
11 GE70ES GE70ES 2RS 70 105 49 40 92 1 1 6 313 1560 1.55
12 GE80ES GE80ES 2RS 80 120 55 45 105 1 1 6 400 2000 2.31
13 GE90ES GE90ES 2RS 90 130 60 50 115 1 1 5 488 2440 2.75
14 GE100ES GE100ES 2RS 100 150 70 55 130 1 1 7 607 3030 4.45
15 GE110ES GE110ES 2RS 110 160 70 55 140 1 1 6 654 3270 4.82
16 GE120ES GE120ES 2RS 120 180 85 70 160 1 1 6 950 4750 8.05
17 GE140ES GE140ES 2RS 140 210 90 70 180 1 1 7 1070 5350 11.02
18 GE160ES GE160ES 2RS 160 230 105 80 200 1 1 8 1360 6800 14.01
19 GE180ES GE180ES 2RS 180 260 105 80 225 1.1 1.1 6 1530 7650 18.65
20 GE190ES GE200ES 2RS 200 290 130 100 250 1.1 1.1 7 2120 10600 28.03
21 GE220ES GE220ES 2RS 220 320 135 100 275 1.1 1.1 8 2320 11600 35.51
22 GE240ES GE240ES 2RS 240 340 140 100 300 1.1 1.1 8 2550 12700 39.91

 

Contact Angle: Customized
Aligning: Aligning Bearing
Separated: Separated
Rows Number: Customized
Load Direction: Radial Bearing
Material: Ceramic
Samples:
US$ 11/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

bushing

The benefits of rubber bushings and how they work

If you have experienced increased vibration while driving, you know the importance of replacing the control arm bushings. The resulting metal-to-metal contact can cause annoying driving problems and be a threat to your safety. Over time, the control arm bushings begin to wear out, a process that can be exacerbated by harsh driving conditions and environmental factors. Additionally, larger tires that are more susceptible to bushing wear are also prone to increased vibration transfer, especially for vehicles with shorter sidewalls. Additionally, these plus-sized tires, which are designed to fit on larger rims, have a higher risk of transmitting vibrations through the bushings.

rubber

Rubber bushings are rubber tubes that are glued into the inner or outer curve of a cylindrical metal part. The rubber is made of polyurethane and is usually prestressed to avoid breaking during installation. In some cases, the material is also elastic, so it can slide. These properties make rubber bushings an integral part of a vehicle’s suspension system. Here are some benefits of rubber bushings and how they work.
Rubber bushings are used to isolate and reduce vibration caused by the movement of the two pieces of equipment. They are usually placed between two pieces of machinery, such as gears or balls. By preventing vibrations, rubber bushings improve machine function and service life. In addition to improving the overall performance of the machine, the rubber bushing reduces noise and protects the operator from injury. The rubber on the shock absorber also acts as a vibration isolator. It suppresses the energy produced when the two parts of the machine interact. They allow a small amount of movement but minimize vibration.
Both rubber and polyurethane bushings have their advantages and disadvantages. The former is the cheapest, but not as durable as polyurethane. Compared to polyurethane, rubber bushings are a better choice for daily commutes, especially long commutes. Polyurethane bushings provide better steering control and road feel than rubber, but can be more expensive than the former. So how do you choose between polyurethane and rubber bushings?

Polyurethane

Unlike rubber, polyurethane bushings resist high stress environments and normal cycling. This makes them an excellent choice for performance builds. However, there are some disadvantages to using polyurethane bushings. Read on to learn about the advantages and disadvantages of polyurethane bushings in suspension applications. Also, see if a polyurethane bushing is suitable for your vehicle.
Choosing the right bushing for your needs depends entirely on your budget and application. Softer bushings have the lowest performance but may have the lowest NVH. Polyurethane bushings, on the other hand, may be more articulated, but less articulated. Depending on your needs, you can choose a combination of features and tradeoffs. While these are good options for everyday use, for racing and hardcore handling applications, a softer option may be a better choice.
The initial hardness of the polyurethane bushing is higher than that of the rubber bushing. The difference between the two materials is determined by durometer testing. Polyurethane has a higher hardness than rubber because it does not react to load in the same way. The harder the rubber, the less elastic, and the higher the tear. This makes it an excellent choice for bushings in a variety of applications.

hard

Solid bushings replace the standard bushings on the subframe, eliminating axle clutter. New bushings raise the subframe by 0.59″ (15mm), correcting the roll center. Plus, they don’t create cabin noise. So you can install these bushings even when your vehicle is lowered. But you should consider some facts when installing solid casing. Read on to learn more about these casings.
The stiffest bushing material currently available is solid aluminum. This material hardly absorbs vibrations, but it is not recommended for everyday use. Its stiffness makes it ideal for rail vehicles. The aluminum housing is prone to wear and tear and may not be suitable for street use. However, the solid aluminum bushings provide the stiffest feel and chassis feedback. However, if you want the best performance in everyday driving, you should choose a polyurethane bushing. They have lower friction properties and eliminate binding.
Sturdy subframe bushings will provide more driver feedback. Additionally, it will strengthen the rear body, eliminating any movement caused by the subframe. You can see this structural integration on the M3 and M4 models. The benefits of solid subframe bushings are numerous. They will improve rear-end handling without compromising drivability. So if you plan to install a solid subframe bushing, be sure to choose a solid bushing.
bushing

Capacitor classification

In the circuit, there is a high electric field on both sides of the capacitor grading bushing. This is due to their capacitor cores. The dielectric properties of the primary insulating layer have a great influence on the electric field distribution within the bushing. This article discusses the advantages and disadvantages of capacitor grade bushings. This article discusses the advantages and disadvantages of grading bushings for capacitors in DC power systems.
One disadvantage of capacitor grading bushings is that they are not suitable for higher voltages. Capacitor grading bushings are prone to serious heating problems. This may reduce their long-term reliability. The main disadvantage of capacitor grading bushings is that they increase the radial thermal gradient of the main insulation. This can lead to dielectric breakdown.
Capacitor grading bushing adopts cylindrical structure, which can suppress the influence of temperature on electric field distribution. This reduces the coefficient of inhomogeneity of the electric field in the confinement layer. Capacitor grading bushings have a uniform electric field distribution across their primary insulation. Capacitive graded bushings are also more reliable than nonlinear bushings.
Electric field variation is the most important cause of failure. The electrode extension layer can be patterned to control the electric field to avoid flashover or partial discharge of the primary insulating material. This design can be incorporated into capacitor grading bushings to provide better electric fields in high voltage applications. This type of bushing is suitable for a wide range of applications. This article discusses the advantages and disadvantages of capacitor grade bushings.

Metal

When choosing between plastic and metal sleeves, it is important to choose a product that can handle the required load. Plastic bushings tend to deteriorate and often crack under heavy loads, reducing their mechanical strength and service life. Metal bushings, on the other hand, conduct heat more efficiently, preventing any damage to the mating surfaces. Plastic bushings can also be made with lubricating fillers added to a resin matrix.
Plastic bushings have many advantages over metal bushings, including being cheap and versatile. Plastic bushings are now used in many industries because they are inexpensive and quick to install. These plastic products are also self-lubricating and require less maintenance than metals. They are often used in applications where maintenance costs are high or parts are difficult to access. Also, if they are prone to wear and tear, they are easy to replace.
Metal bushings can be made of PTFE, plastic or bronze and are self-lubricating. Graphite plugs are also available for some metal bushings. Their high load capacity and excellent fatigue resistance make them a popular choice for automotive applications. The bi-metallic sintered bronze layer in these products provides excellent load-carrying capacity and good friction properties. The steel backing also helps reduce processing time and avoids the need for additional pre-lubrication.
bushing

plastic

A plastic bushing is a small ball of material that is screwed onto a nut or locknut on a mechanical assembly. Plastic bushings are very durable and have a low coefficient of friction, making them a better choice for durable parts. Since they do not require lubrication, they last longer and cost less than their metal counterparts. Unlike metal bushings, plastic bushings also don’t scratch or attract dirt.
One type of acetal sleeve is called SF-2. It is made of metal alloy, cold rolled steel and bronze spherical powder. A small amount of surface plastic penetrated into the voids of the copper spherical powder. Plastic bushings are available in a variety of colors, depending on the intended application. SF-2 is available in black or grey RAL 7040. Its d1 diameter is sufficient for most applications.
Another acetal sleeve is UHMW-PE. This material is used in the production of bearings and in low load applications. This material can withstand pressures from 500 to 800 PSI and is widely available. It is also self-lubricating and readily available. Due to its high resistance to temperature and chemical agents, it is an excellent choice for low-load industrial applications. If you’re in the market for an alternative to nylon, consider acetal.
Positional tolerances in many automotive components can cause misalignment. Misaligned plastic bushings can negatively impact the driver’s experience. For example, the cross tubes used to mount the seat to the frame are made by a stamping process. The result is a misalignment that can increase torque. Also, the plastic bushing is pushed to one side of the shaft. The increased pressure results in higher friction, which ultimately results in a poor driving experience.
v
China Custom CZPT Black Phosphating Radial Spherical Plain Bearings Ge Series for Excavator   connecting rod bearingChina Custom CZPT Black Phosphating Radial Spherical Plain Bearings Ge Series for Excavator   connecting rod bearing
editor by CX 2023-04-21