Tag Archives: air bearing

China Best Sales 6201 Deep Groove Ball Bearing Wheel Hub Bearing Cylindrical Roller Bearing for Auto Parts bearing air

Product Description

Product Parameters

Model	Category	RTS/Custom	Size(mm) dDH (mm)	Precision grade	Seal Type	Number of Row	Application
6201	Deep Groove Ball Bearing	RTS	10309mm	P0 P2 P4 P5 P6	OPEN ZZ 2RS RS	Single	Machinery
Material	Material of Balls	Lubrication	Vibration	Clearance	Hardness	Deliery Time	Packing
Chrome Steel GCr15	Chrome Steel GCr15	Grease or Oil	Standard Vibration Z1/Z2/Z3/Z4/V1/V2/V3/V4	Standard Clearance C0/C2/C3/C4/C5	HRC60-65	<=50000,3 <=100000,5	Single Box+Cartons+Pallet

Product Description

Detailed Photos

Our business:Produce and customize various bearing brands. (Packaging and logo can be customized. All copyright belongs to the customer. We promise not to disclose any information.)

Product Series

Bearing type	Boundary Dimensions( mm )			Speed Rating(ipm)		Load Rating(kn)		Weight(kg)
Bearing type	d	D	B	Grease lubrication	Oil lubrication	Dynamic Cr	Static Cor	Weight(kg)
6200	10	30	9	20000	26000	5.1	2.38	0.032
6201	12	32	10	19000	24000	6.82	3.05	0.037
6202	15	35	11	18000	22000	7.65	3.72	0.045
6203	17	40	12	16000	20000	9.58	4.78	0.065
6204	20	47	14	14000	18000	12.8	6.65	0.106
6205	25	52	15	13000	15000	14	7.85	0.128
6206	30	62	16	11000	13000	19.5	11.3	0.199
6207	35	72	17	9200	11000	25.7	15.4	0.288
6208	40	80	18	8000	10000	29.5	18	0.368
6209	45	85	19	7000	9000	31.5	20.5	0.416
6210	50	90	20	6700	8500	35	23.2	0.463
6211	55	100	21	6000	7500	43.5	29.2	0.6
6212	60	110	22	5600	7000	47.8	32.8	0.78
6213	65	120	23	5000	6300	57.2	40	0.99
6214	70	125	24	4800	6000	60.5	45	1.08
6215	75	130	25	4500	5600	66	49.5	1.17
6216	80	140	26	4300	5300	71.5	54.5	1.44
6217	85	150	28	4000	5000	83	63.8	1.8
6218	90	160	30	3800	4800	95.8	71.5	2.17
6219	95	170	32	3600	4500	108	81.5	2.61
6220	100	180	34	3400	4300	122	92.8	3.2
6221	105	190	36	3200	4000	133	105	3.78
6222	110	200	38	3000	3800	144	117	4.42
6224	120	215	40	2600	3400	155	131	5.3
6226	130	230	40	2400	3200	165	148	6.12
6228	140	250	42	2000	2800	179	167	7.77
6230	150	270	45	1900	2600	203	199	9.78
6232	160	290	48	1800	2400	215	218	12.22
6234	170	310	52	1700	2200	245	260	15.24
6236	180	320	52	1600	2000	262	285	15.51
6238	190	340	55	1500	1900	285	322	18.691
6240	200	360	58	1400	1800	288	332	22.577
6244	220	400	65	1200	1600	355	365	36.5
6248	240	440	72	1000	1400	358	467	53.9
6252	260	480	80	800	1200	390	530	68.3
6256	280	500	80	700	1000	423	600	75.3
6260	300	540	85	500	800	462	670	85.6
6264	320	580	92	300	600	527	800	93.7
6268	340	620	92	200	400	559	900	108.4
6272	360	650	95	100	200	597	1000	120

Type Of Deep Groove Ball Bearing
1. Deep Groove Ball Bearing With Dust Cover
Generally Used In The Single Lubrication Is More Difficult, The Placement Of Lubricating Oil And Check The Lubrication Is Not Convenient Conditions, Usually Injected Into The Bearing Rust, Lubrication Dual-Purpose Lithium Grease Is 1/4 To 1/3 Of The Bearing Internal Space.

2. Deep Groove Ball Bearing With Sealing Ring
Its Performance, Grease Filling, Use And Bearing With Dust Cover Are Basically The Same, The Difference Is That There Is A Large Gap Between The Dust Cover And The Inner Ring, And The Sealing Lip And The Inner Ring Of The Non-Contact Seal Ring Is Small, There Is No Gap Between The Sealing Lip And The Inner Ring Of The Contact Seal Ring Bearing, The Sealing Effect Is Good, But The Friction Coefficient Has Increased.

3, There Are Stop Groove And Deep Groove Ball Bearings With Stop Ring
In Addition To The Function Of Bearing Radial Load, The Deep Groove Ball Bearing With The Stop Ring Can Also Limit The Axial Displacement Of The Bearing, Simplify The Structure Of The Bearing Seat And Reduce The Bearing Size. Generally Used In Cars, Tractors And Other Axial Load Is Not Large Working Parts.

4. Deep Groove Ball Bearing With Ball Filling Gap
There Are Notches In The Inner And Outer Rings On One Side, From Which More Balls Can Be Loaded, Increasing Its Radial Load Capacity. However, Due To The Small Axial Load Capacity, It Can Not Run At High Speed. If There Is A Large Axial Load, It Needs To Be Used With The General Deep Groove Ball Bearing.

Packaging & Shipping

Company Profile

Exhibitions&Partners

FAQ

Q:Are you trading company or manufacturer?
–We are the company dealing in trading business and manufacturing business.

Q:What’s the MOQ?
–MOQ is 2pcs for standardized products; 300pcs for customized products. There is no MOQ for sample orders.

Q:How long is the lead time?
–The lead time for sample orders is 1-3 days, for bulk orders is generally in 3-15 days.The delivery time is generally in 2 days after payment. It’s according to the order amount.

Q:Do you offer free samples?
–If you place an order, we can return part of sample fee even all of fee to you. It also depends on the quantity of order and the type of sample. And you just need to pay freight.

Q: Could you customized for me?
–Sure,we can supply OEM service as per your drawing or samples.

/* October 22, 2571 15:47:17 */(()=>{function d(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

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 Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?

Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:

Size:

The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.

Load Capacity:

Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.

Precision:

Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.

Speed:

Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.

Friction and Efficiency:

Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.

Applications:

Miniature ball bearings find applications in various industries and sectors:

Electronics and Consumer Devices:

They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.

Medical and Dental Equipment:

Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.

Robotics and Automation:

Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.

Aerospace and Defense:

They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.

Optics and Instrumentation:

Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.

Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.

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.

ball_bearing
editor by lmc 2024-11-27

China wholesaler 6209 Zz 458519 mm Single Row Ball Bearing 6209 2z for Air Compressor, Motor with Hot selling

Product Description

6200 series deep groove ball bearings
other series: product-list-1.html

Bearing NO	(mm)Boundary Dimensions			(Kn)	(Kn)	(r/min)Limit Rotational Speed		(Kg) Weight
Bearing NO	d	D	B	Dynamic Load Rating Cr	Static Load Rating Cor	Grease Lubrication	Oil Lubrication	(Kg) Weight
6200	10	30	9	5.11	2.39	24000	30000	0.032
6201	12	32	10	6.82	3.06	22000	28000	0.035
6202	15	35	11	7.64	3.72	20000	24000	0.045
6203	17	40	12	9.57	4.79	17000	20000	0.064
6204	20	47	14	12.84	6.65	15000	18000	0.103
6205	25	52	15	14.02	7.88	13000	15000	0.127
6206	30	62	16	19.46	11.31	11000	13000	0.202
6207	35	72	17	25.67	15.30	9500	11000	0.287
6208	40	80	18	29.52	18.14	8500	10000	0.367
6209	45	85	19	32.67	20.68	7500	9000	0.416
6210	50	90	20	35.07	23.18	7100	8500	0.462
6211	55	100	21	43.50	29.20	6300	7500	0.602
6212	60	110	22	52.50	36.00	5600	7100	0.789
6213	65	120	23	58.50	40.50	5300	6300	0.990
6214	70	125	24	63.70	45.00	5000	6300	1.100
6215	75	130	25	68.90	49.00	4800	5600	1.200
6216	80	140	26	72.50	53.00	4500	5300	1.400
6217	85	150	28	83.20	63.80	4300	5000	1.750
6218	90	160	30	95.80	71.50	4000	4800	2.200
6219	95	170	32	110.0	82.80	3800	4500	2.620
6220	100	180	34	122.0	92.80	3600	4300	3.200
6221	105	190	36	133.0	105.0	3400	4000	–
6222	110	200	38	144.0	117.0	2800	3400	–
6224	120	215	40	155.0	131.0	2600	3200	–

Detailed Photos

Black chamfer with rubber seal

Black chamfer with white dust cover

open UG

white chamfer with yellow dust cover

ceramic ball bearing

THE USE OF THE BEARING
Some tips on use
Rolling bearing is a precise part. Therefore it should be used carefully. No matter how high performance the bearing has, it can be obtained by improper use, the followings are the points for attention to use bearings.
(1) Keep clean the bearing and its surrounding areas
It is harmful to the bearing even by tiny dust which can not be seen by human eyes. Therefore it should always keep clean the surrounding environments in order to prevent the bearing from dust corrosion.
(2) Use bearing carefully
Scar and indentation can essily be produced out of strong impact to the bearing in use and become the cause of accidents. Therefore special caution should be given to its use.
(3) Use the appropriate operating tool
Avoid using a hammer or heavy direct tap on a bearing or sleeve, must use appropriate tools such as press or heating.
(4) Be careful to the rust corrosion of the bearings
The sweat in the hands will cause rust in operating the bearings. Therefore your hands should be cleanly washed and dried before operation. You’d better wear gloves in doing the work.
(5) Handler should familiar with bearing
(6) Establish bearing handling criteri
·Bearing storage
.Bearing and surrounding cleaning
.Dimension of mounting parts and inspection
.Machining quality
.Mounting handing
.After mounting inspection
·Disassembly handing
·Keep maintain
·Adding lubricant

Installation Instructions

Bearing mounting
Precautions for proper mounting of bearing
1) Bearing preparation
Bearing should not be unpacked until before mounting due to spray anti-corrosion oil and pack anti-corrosion paper. In addition, spray anti-corrosion oil on bearing have good lubricate function. For general purpose, just directly using bearing fill-in grease bearings, without cleaning. However, bearing for instrument or high speed rotating must be cleaned with clean filtered oil in order to remove the anti-corrosion oil. At that time, the bearings are easy to corrosion could not storage long term.
2) Inspection of shafts and housings
Cleaning shaft and housing, confirming no scratched or machine burrs, no CZPT and cutting piece in housing. Secondly comppare with drawing, the shaft and housing of dimension, form and machining quality should be inspected.
chart 1 Measure location for shaft diameter chart 2 Measure location for housing bore diameter

As chart 1 and chart 2 showing, divided several locations to be measure on shaft and housing bore diameters, It should be careful inspected perpendicular between shaft, housing fillet dimension and shoulder.
Before mounting bearing, it should be sprayed mechanical oil on fitting surface after check out the shaft and housing.

Bearing storage
Before leaving the factory, the bearing is sprayed proper rust-inhibiting oil and packed rust-inhibiting paper. The quality of bearing is guaranteed, if the packing is not broken.
For long-term storage, if the humidity less than 65% and the temperature about 20, it should storage on shelf which is higher 30cm than ground.
In addition, storage occasion should avoid sunshine and contact with cold wall.

Pictures about packaging

Company Profile

Our Advantages

1. World-Class Bearing: We provide our customers with all types of indigenous bearing with world-class quality.
2. OEM or Non-Stand Bearings: Any requirement for Nonstandard bearings is Easily Fulfilled by us due to its vast knowledge and links in the industry.
3. Genuine products With Excellent Quality: The company has always proved the 100% quality products it provides with genuine intent.
4. After Sales Service and Technical Assistance: The company provides after-sales service and technical assistance as per the customer’s requirements and needs.
5. Quick Delivery: The company provides just-in-time delivery with its streamlined supply chain.
SAMPLES
1. Samples quantity: 1-10 PCS are available.
2. Free samples: It depends on the Model No., material and quantity. Some of the bearings samples need client to
pay samples charge and shipping cost.
3. It’s better to start your order with Trade Assurance to get full protection for your samples order.

CUSTOMIZED
The customized LOGO or drawing is acceptable for us.

MOQ
1. MOQ: 10 PCS standard bearings.
2. MOQ: 1000 PCS customized your brand bearings.

OEM POLICY
1. We can printing your brand (logo, artwork)on the shield or laser engraving your brand on the shield.
2. We can custom your packaging according to your design
3. All copyright own by clients and we promised don’t disclose any info.

/* 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

Motor Parts:	Motor Bearing
Water Pump Parts:	Water Pump Bearing
Air Compressor Parts:	Air Compressor Bearing

Samples:	US$ 50/Piece 1 Piece(Min.Order) \| Order Sample black or white or as required

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

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

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 wholesaler 6209 Zz 45*85*19 mm Single Row Ball Bearing 6209 2z for Air Compressor, Motor with Hot selling
editor by CX 2024-05-17

China supplier China Deep Groove Ball Bearings 61919 61920 61921 61922 61924 61926 61928 61930 61932 61934 61936 61938 61940 61944 Rz bearing air

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
Vibration Velocity	V	Normal vibration level. Is not indicated as a standard.
	V1	Lower vibration level than normal.
	V2	Lower vibration level than V1.
	V3	Lower vibration level than V2.
	V4	Lower vibration level than V3.
Tolerances	P0(ABEC1)	Bearings in standard tolerance
	P6(ABEC3)	Tighter tolerance than standard bearings
	P5(ABEC5)	Tolerance tighter than P6
	P4(ABEC7)	Tolerance tighter than P5
	P2(ABEC9)	Tolerance tighter than P4
Radial internal clearance	C1	Smaller clearance than C2
	C2	Smaller clearance than CN
	CN(C0)	Clearance than normal
	C3	Clearance larger than CN
	C4	Clearance larger than C3
	C5	Clearance larger than C4
Snap Ring Groove	N	Snap ring groove in the outer ring
	NR	Snap ring groove in the outer ring, with snap ring
	N1	One locating slot in 1 outer ring side face
	R	Flanged outer ring
Other technical modifications	NR	Groove with inserted snap ring in outer ring.
	N	Snap ring groove in the outer ring.
	SS	Stainless steel.

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

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)
61902	15	28	7	20000	26000	4.3	2.3	0.017
61903	17	30	7	19000	24000	4.6	2.6	0.018
61904	20	37	9	17000	22000	6.4	3.7	0.036
61905	25	42	9	16000	19000	7	4.55	0.041
61906	30	47	9	14000	17000	7.25	5	0.045
61907	35	55	10	12000	14000	10.9	7.75	0.073
61908	40	62	12	11000	13000	13.7	9.95	0.112
61909	45	68	12	8500	11000	14.1	10.9	0.123
61910	50	72	12	8000	9500	14.5	11.7	0.122
61911	55	80	13	7500	9000	15.9	13.2	0.17
61912	60	85	13	6700	8000	16.4	14.2	0.181
61913	65	90	13	6300	7500	17.4	16.0	0.196
61914	70	100	16	6000	7000	23.7	21.1	0.336
61915	75	105	16	5600	6700	24.3	22.5	0.355
61916	80	110	16	5300	6300	24.9	23.9	0.375
61917	85	120	18	4800	6000	31.9	29.7	0.507
61918	90	125	18	4500	5600	32.8	31.5	0.533
61919	95	130	18	4300	5300	33.7	33.3	0.56
61920	100	140	20	4000	5000	42.7	41.9	0.77
61921	105	145	20	1783	2000	67	99	0.87
61922	110	150	20	3600	4500	43.6	44.4	0.84
61924	120	165	22	3200	4000	55	56.9	1.13
61926	130	180	24	3000	3800	65.1	67.2	1.496
61928	140	190	24	2800	3600	66.6	71.2	1.589
61930	150	210	28	2600	3200	84.7	90.2	2.454
61932	160	220	28	2400	3000	86.9	95.5	2.589
61934	170	230	28	2000	2800	88.8	100	2.725
61936	180	250	33	1900	2600	118	133	4.062
61938	190	260	33	1800	2400	117	133	4.216
61940	200	280	38	1700	2200	149	168	5.879
61944	220	300	38	1600	2000	152	178	6.34

/* 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

Material Option 2:	Stainless Steel
MOQ:	One Pallet
Seals Options:	Z / 2z, Rz / 2rz, RS / 2RS, Rsz / Rzz, Zn / Znr /
Lubrication:	Grease or Oil
Aligning:	Non-Aligning Bearing
Separated:	Unseparated

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?

Reduction of Internal Clearance:

Increased Stiffness:

Minimized Axial Play:

Enhanced Rigidity:

Reduction in Ball Slippage:

Improved Running Accuracy:

Optimized Performance at High Speeds:

Impact on Friction and Heat Generation:

Application-Specific Considerations:

ball bearing

How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?

Size:

Load Capacity:

Precision:

Speed:

Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.

Friction and Efficiency:

Applications:

Miniature ball bearings find applications in various industries and sectors:

Electronics and Consumer Devices:

They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.

Medical and Dental Equipment:

Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.

Robotics and Automation:

Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.

Aerospace and Defense:

They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.

Optics and Instrumentation:

Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.

ball bearing

How do Ball Bearings Differ from Other Types of Bearings like Roller Bearings?

Ball bearings and roller bearings are two common types of rolling-element bearings, each with distinct designs and characteristics. Here’s a comparison of ball bearings and roller bearings:

Design:

Ball Bearings: Ball bearings use spherical balls to separate and reduce friction between the bearing’s inner and outer rings. The balls enable rolling motion and smooth contact, minimizing friction.

Roller Bearings: Roller bearings, as the name suggests, use cylindrical or tapered rollers instead of balls. These rollers have larger contact areas, distributing loads over a broader surface.

Friction and Efficiency:

Ball Bearings: Due to the point contact between the balls and the rings, ball bearings have lower friction and are more efficient at high speeds.

Roller Bearings: Roller bearings have a larger contact area, resulting in slightly higher friction compared to ball bearings. They are more suitable for heavy-load applications where efficiency is prioritized over high speeds.

Load Capacity:

Ball Bearings: Ball bearings excel at handling light to moderate loads in both radial and axial directions. They are commonly used in applications where smooth rotation and low friction are important.

Roller Bearings: Roller bearings have a higher load-carrying capacity than ball bearings. They can support heavier radial and axial loads and are preferred for applications with significant loads or impact forces.

Variability:

Ball Bearings: Ball bearings come in various designs, including deep groove, angular contact, and thrust ball bearings, each suitable for different applications.

Roller Bearings: Roller bearings have diverse types, including cylindrical, spherical, tapered, and needle roller bearings, each optimized for specific load and motion requirements.

Speed Capability:

Ball Bearings: The reduced friction in ball bearings makes them suitable for high-speed applications, such as electric motors and precision machinery.

Roller Bearings: Roller bearings can handle higher loads but are generally better suited for moderate to low speeds due to slightly higher friction.

Applications:

Ball Bearings: Ball bearings are used in applications where smooth motion, low friction, and moderate loads are essential, such as electric fans, bicycles, and some automotive components.

Roller Bearings: Roller bearings find applications in heavy machinery, construction equipment, automotive transmissions, and conveyor systems, where heavier loads and durability are crucial.

In summary, ball bearings and roller bearings differ in their design, friction characteristics, load capacities, speed capabilities, and applications. The choice between them depends on the specific requirements of the machinery and the type of loads and forces involved.

China supplier China Deep Groove Ball Bearings 61919 61920 61921 61922 61924 61926 61928 61930 61932 61934 61936 61938 61940 61944 Rz bearing air
editor by CX 2024-05-16

China best Self Aligning Spherical Ball Bearing 2304 2306 2307 Price List Bearing Manufacturers Auto Bearings bearing air

Product Description

Self aligning ball bearings mainly bear radial loads and can also withstand small axial loads. The axial displacement of the
shaft (shell) is limited within the clearance limit, with automatic centering performance, allowing normal operation under
conditions of relatively small internal and external inclination. It is suitable for components where the support seat hole cannot
strictly guarantee coaxiality. Self aligning ball bearings are suitable for bearing heavy and impact loads, precision instruments,
low noise motors, automobiles, motorcycles, metallurgy, rolling mills, mines, petroleum, papermaking, cement, sugar squeezing
and other industries, as well as general machinery.

Type	BALL
Structure	Self-Aligning
Applicable Industries	Food Shop, Energy & Mining, Food & Beverage Shops, Advertising Company
Precision Rating	P0 P6 P5 P4 P2
Seals Type	OPEN OR SEAL
Number of Row	Double row
Product name	Self-aligning Roller Bearing

Company Profile

In order to meet the needs of the masses of customers and improve the market competitiveness of our company,
we can provide OEM service according to our customers′ Needs. We have gained ISO9001 certificate, CE certificate,
GOST certificate and SGS certificate. Our target is to carry out the strategic investment along with the development
of market and need of new products. With our strategic, excellent products, top technology and outstanding service,
we sincerely expect cooperation with more customers and friends for a better future. Our main products include
spherical roller bearing, deep groove ball bearings, cylindrical roller bearings, spherical roller bearings, needle roller
bearings, ball bearing units, water pump bearings, automobile bearing, linear motion bearing, oil-less bearings,
bush and self-lubricating bearings, and non-standard bearings. Also, we supply bearings to our domestic peeling
machine factory and the machine exported to India, Malaysia and Russia, no any complaint from customer until now.

“zero defect, zero complaints” as the quality objective.

FAQ

Q: Are you trading company or manufacturer ?

A: We are a trading company specializing in exporting bearings.

Q: How long is your delivery time?

A: 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.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge

Q.You provide free consultation service?

Yes, before, during and after order, anytime.

/* 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

Product Name:	Self Aligning Ball Bearing
Characteristic:	High Precision
Advantage:	Large Bearing Capacity
Holder:	Copper and Iron Retainers
Quality:	High Quality
Rolling Body:	Roller Bearings

Samples:	US$ 5/Piece 1 Piece(Min.Order) \| Request Sample

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

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

Reduced Friction:

Efficient Load Support:

Smooth Rotation:

High-Speed Capability:

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:

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.

China best Self Aligning Spherical Ball Bearing 2304 2306 2307 Price List Bearing Manufacturers Auto Bearings bearing air
editor by CX 2024-05-14

China Good quality Extra Heavy Duty 8-Inch Nylon Swivel Caster Wheel Ball Bearing 1600kg Load bearing air

Product Description

Product Name:	1600KG 8 Inch Extra Heavy Duty Nylon Swivel Caster Wheel for industry factory
Application:	Furniture, carts, trolley,kitchen equipment, office chair
Caster material:	Nylon
Caster Size:	8 Inch
Wheel diameter:	200mm
Wheel width:	57mm
Load capacity:	1600kg
Plate size:	140mm*100mm
Hole distance:	110mm*75mm
Hole diameter:	13mm

About CZPT Casters

/* 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

Type:	Swivel
Wheel Material:	Nylon
Brake:	Without Brake
Bearing Type:	Ball Bearing
Maximum Load:	1600kg
Diameter:	200mm

Customization:	Available \| Customized Request

ball bearing

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

Unusual Noise:

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:

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:

Visible Wear or Damage:

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.

ball bearing

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

ISO Standards:

ABEC (Annular Bearing Engineering Committee) Ratings:

DIN Standards:

JIS (Japanese Industrial Standards):

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:

Industry-Specific Standards:

Quality Management Systems:

ball bearing

What Factors should be Considered when Selecting a Ball Bearing for a Particular Application?

Selecting the right ball bearing for a specific application involves careful consideration of various factors to ensure optimal performance, longevity, and reliability. Here are the key factors that should be taken into account:

Load Type and Magnitude:

Determine the type of load (radial, axial, or combined) and the magnitude of the load that the bearing will need to support. Choose a bearing with the appropriate load-carrying capacity to ensure reliable operation.

Speed and Operating Conditions:

Consider the rotational speed of the application and the operating conditions, such as temperature, humidity, and exposure to contaminants. Different bearing types and materials are suited for varying speeds and environments.

Accuracy and Precision:

For applications requiring high accuracy and precision, such as machine tool spindles or optical instruments, choose high-precision bearings that can maintain tight tolerances and minimize runout.

Space Limitations:

If the application has limited space, choose miniature or compact ball bearings that can fit within the available dimensions without compromising performance.

Thrust and Radial Loads:

Determine whether the application requires predominantly thrust or radial load support. Choose the appropriate type of ball bearing (thrust, radial, or angular contact) based on the primary load direction.

Alignment and Misalignment:

If the application experiences misalignment between the shaft and housing, consider self-aligning ball bearings that can accommodate angular misalignment.

Mounting and Installation:

Consider the ease of mounting and dismounting the bearing. Some applications may benefit from features like flanges or snap rings for secure installation.

Lubrication and Maintenance:

Choose a bearing with appropriate lubrication options based on the application’s speed and temperature range. Consider whether seals or shields are necessary to protect the bearing from contaminants.

Environmental Conditions:

Factor in the operating environment, including exposure to corrosive substances, chemicals, water, or dust. Choose materials and coatings that can withstand the specific environmental challenges.

Bearing Material:

Select a bearing material that suits the application’s requirements. Common materials include stainless steel for corrosion resistance and high-carbon chrome steel for general applications.

Bearing Arrangement:

Consider whether a single-row, double-row, or multiple bearings in a specific arrangement are needed to accommodate the loads and moments present in the application.

By carefully evaluating these factors, engineers and designers can choose the most suitable ball bearing that aligns with the specific demands of the application, ensuring optimal performance, durability, and overall operational efficiency.

China Good quality Extra Heavy Duty 8-Inch Nylon Swivel Caster Wheel Ball Bearing 1600kg Load bearing air
editor by CX 2024-04-30

China Professional Low Noise Sealed Motor Deep Groove Ball Bearings bearing air

Product Description

CZPT team could manufacture ball bearing as per customer’s drawing and samples. We directly supply our ball bearing to many countries, like USA, France, Turkey, India, Brazil, Argentina, Mexico etc.

Manufacturing

Incoming inspection
Outer ring	Inner ring
Heat treat
Face grinding	O.D. Grinding
O.D. Grinding	Face grinding
Raceway grinding
\	Bore grinding
Hone raceway
Wash/Clean
Classification
Cage insertion
Washing
Lubricant insertion
Seal insertion

Application
Office equipment: printers, mappers electronic data-processing equipment, copiers, currency counting machine
Electric equipment: recorder, video cassette recorders, power meters, radar equipment, plotting instrument.
Electric appliance: small generators, small motors, cynchromotors, electric fans, electric tools, vacuum cleaners, conveyors.

Information needed for ball bearing inquiry
It will be better if customer could send us detailed drawing including below information.
1.Ball bearing model number
2. Ball bearing dimension
3. Ball bearing application
4. Required quantity
5. Other technical requirement.

With good service, unique philosophy, professional team and reliable quality, we win the worldwide customers’ confidence gradually. We directly and indirectly supply our products to more than 50 countries .

Customerized service	1. Customized product design and manufacturing
	2. Customized trHangZhou
	3.Technical suggestions
After-sales service	1. Warranty Period: 12 month usually
	2. Overseas service center available
	3. Engineers available to service overseas

Established in 2571, CZPT is a company devoted in the field of electric motors manufacturing, providing one-stop service for its customers.

NIDE has 3 main business divisions.
The first division is to provide different kinds of motor manufacturing machines, it is our Main business, including stand along machine, fully-auto complete line for armature and stator production, and the motor assembly line.
The second division is to supply the full range of motor components such as commutator, ball bearing, carbon brush, insulation paper, shaft, magnet, fan, motor cover, etc.
The third division is to provide technical support and consulting, project support and turn-key service for some motor manufacturing.

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Material Type:	Steel Gcr 15
Dimension:	Customized
Composition:	Two Rings, Rolling Elements and a Cage
Seal Type:	Rubber or Iron
Grease Type:	SRL or Customized
Certifiacate:	CCC

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 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 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 Professional Low Noise Sealed Motor Deep Groove Ball Bearings bearing air
editor by CX 2024-04-26

China wholesaler Male Rod End Bearing Stainless Ball Steel Joint Bearing Phs 16 Left/Right Rod Bearing bearing air

Product Description

Spherical Plain Bearing

Basic Info.

Model NO.	GE 55 SX	Separated	Separated
MOQ	1PCS	Quality	Guaranteed
Mainly Market	America Europe Asia Africa	Serive	OEM
Stock	Rich Stocks	Feature	High Precision, Small Torque, Low Noise
Transport Package	Industrial Packing or as Per Requirement	Specification	GE 55 SX
Trademark	FOS Bearing or OEM	Origin	YANDIAN, ZheJiang
HS Code	8482200000	Production Capacity	7000PCS/Month

Product Decription

Knuckle-bearing is a spherical plain bearing, its sliding contact surface is an inner sphere and an outer sphere, which can rotate and swing at any Angle when moving, it is made of surface phosphating, blasting, insert pad, spraying and other special process processing methods. Joint bearing has the characteristics of large load capacity, impact resistance, corrosion resistance, wear resistance, self-aligning, good lubrication and so on.
Product Series
More series of Roller bearing
Knuckle bearing

odel	Shaft Diameter	Mass	Dimensions (mm)							Basic load ratings
		kg	d	D	T	dk	D1	B	C	Dyn.	Stat.
			d	D	T	dk	D1	B	C	Cr N	Cor . N
GE 25 SX	25	0.14	25	47	15	42.5	31.4	14	14	47800	239000
GE 28 SX	28	0.18	28	52	16	47	35.7	15	15	57500	287000
GE 30 SX	30	0.21	30	55	17	50	36.1	16	16	64600	323000
GE 35 SX	35	0.27	35	62	18	56	42.4	17	17	78500	392000
GE 40 SX	40	0.33	40	68	19	60	46.8	18	18	90600	453000
GE 45 SX	45	0.42	45	75	20	66	52.9	19	19	106000	532000
GE 50 SX	50	0.46	50	80	20	74	59.1	19	19	118000	590000
GE 55 SX	55	0.68	55	90	23	80	62	22	22	149000	745000
GE 60 SX	60	0.73	60	95	23	86	68.1	22	22	160000	857100
GE 65 SX	65	0.77	65	100	23	92	75.6	22	22	173000	867000
GE 70 SX	70	1.1	70	110	25	102	82.2	24	24	208000	1040000
GE 80 SX	80	1.5	80	125	29	115	90.5	27	27	244000	1220000
GE 90 SX	90	2.1	90	140	32	130	103.3	30	30	313000	1560000
GE100SX	100	2.3	100	150	32	140	114.3	30	30	339000	1690000
GE110SX	110	3.9	110	170	38	160	125.8	36	36	469000	2340000
GE120SX	120	4	120	180	38	170	135.4	36	36	498000	2490000
GE130SX	130	6.1	130	200	45	190	148	42	42	622000	3110000
GE140SX	140	6.5	140	210	45	200	160.6	42	42	663000	3310000
GE150SX	150	7.9	150	225	48	213	170.9	45	45	764000	3820000
GE160SX	160	9.4	160	240	51	225	181.4	48	48	872000	4360000
GE170SX	170	13	170	260	57	250	194.3	54	54	1080000	5440000
GE180SX	180	17.5	180	280	64	260	205.5	61	61	1310000	6590000
GE190SX	190	18.3	190	290	64	275	211.8	61	61	1370000	6850000
GE200SX	200	23.3	200	310	70	290	229.2	66	66	1540000	7740000

Production Process
Production Process

Inspection
Our Advantage

Package and shipment

Company Profile

HangZhou Siruibo Bearing Technology Co., Ltd. is a company mainly engaged in manufacturing and selling outer spherical bearings. The registered capital is Five million.

Since its establishment 20 years ago, the company is committed to Mounted Bearing Unit (maintenance-free bearings, engraving machine bearings, holding machine shaft Bearing, no-tillage machine bearing, fan bearing, high temperature bearing, zinc alloy bearing, food grade bearing unit) research and development. With the most complete varieties and best advanced manufacturing technology in production of Mounted Bearing Unit, to be a reliable enterprises, we welcome your cooperation. Currently, our company produce 10 series of more than 260 varieties of outer spherical bearings and 13 different structural categories of outer spherical bearing special seats, all adopted International standard design and manufacturing. Registered trademark “FOS” .

Through the efforts and unremitting pursuit of all employees of the company, all products accepted by international standards. Over the years of Expansion and technical transformation, we developed into a Mounted Bearing Unit with large scale of professional manufacturers, for the bearing industry in China, has made a contribution to the development of Bearing.

HangZhou Siruibo Bearing Technology Co., Ltd. has a production capacity of 1 million sets/year, with an annual output value of 30 million yuan. We produce 30 varieties monthly , with 45-60 days lead time.

The company has a perfect material and product quality inspection equipment, according to the strict scientific Quality assurance system, to prove satisfactory to our customers. Our products widely used in agricultural Industry machinery, textile machinery and light industry, chemical industry, metallurgy, printing, food, transportation, coal, packaging and other industries and the introduction of machinery .Our products have exported to Europe, America and many countries and regions in South east Asia.

Exhibitions

About us:
We are 1 manufactuer of bearing for more than 20 years.
Give us a chance, we will cooperate with our passion.
Our professional, reliable, experienced products and service can meet your request.
Why choose us?

SAMPLES
1. Samples quantity: 1-10 PCS are available.
2. Free samples: It depends on the Model No., material and quantity. Some of the bearings samples need client to pay samples charge and shipping cost.
3. It’s better to start your order with Trade Assurance to get full protection for your samples order.

CUSTOMIZED
The customized LOGO or drawing is acceptable for us.

MOQ
1. MOQ: 10 PCS mix different standard bearings.
2. MOQ: 3000 PCS customized your brand bearings.

SUPORT
Please visit our bearings website, we strongly encourge that you can communicate with us through email, thanks!
We have all kinds of bearings, just tell me your item number and quantity, best price will be offered to you soon
The material of the bearings, precision rating, seals type, OEM service, etc, all of them we can make according to your requirement.
/* 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:	Non-Aligning Bearing
Separated:	Unseparated
Rows Number:	Single
Load Direction:	Radial Bearing
Material:	Bearing Steel

Samples:	US$ 1/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

ball bearing

What are the Challenges Associated with Noise Reduction in Ball Bearings?

Noise reduction in ball bearings is a crucial consideration, especially in applications where noise levels must be minimized for operational efficiency and user comfort. While ball bearings are designed to operate smoothly, there are several challenges associated with reducing noise in their operation:

Vibration:

Vibration generated by the movement of rolling elements and raceways can lead to noise. Even minor irregularities in bearing components or the mounting system can cause vibration that translates into audible noise.

Bearing Type and Design:

The type and design of the ball bearing can impact noise generation. For example, deep groove ball bearings are known for their quiet operation, while angular contact bearings can generate more noise due to their higher contact angles.

Lubrication:

Improper or inadequate lubrication can result in increased friction and wear, leading to noise. Choosing the right lubricant and maintaining proper lubrication levels are essential for reducing noise in ball bearings.

Bearing Clearance and Preload:

Incorrect clearance or preload settings can lead to noise issues. Excessive clearance or inadequate preload can cause the rolling elements to impact the raceways, resulting in noise during rotation.

Material and Manufacturing Quality:

The quality of materials and manufacturing processes can affect noise levels. Inconsistent or low-quality materials, improper heat treatment, or manufacturing defects can lead to noise generation during operation.

Surface Finish:

The surface finish of the rolling elements and raceways can impact noise. Rough surfaces can generate more noise due to increased friction and potential irregularities.

Sealing and Shielding:

Seals and shields that protect bearings can influence noise levels. While they are necessary for contamination prevention, they can also cause additional friction and generate noise.

Operating Conditions:

External factors such as temperature, speed, and load can influence noise levels. High speeds or heavy loads can amplify noise due to increased stress on the bearing components.

Wear and Deterioration:

As ball bearings wear over time, noise levels can increase. Worn components or inadequate lubrication can lead to more significant noise issues as the bearing operates.

To address these challenges and reduce noise in ball bearings, manufacturers and engineers employ various techniques, such as optimizing design, selecting suitable bearing types, using proper lubrication, maintaining accurate preload settings, and ensuring high-quality materials and manufacturing processes. Noise reduction efforts are essential to improve overall product quality, meet noise regulations, and enhance user experience in various applications.

ball bearing

How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?

Size:

Load Capacity:

Precision:

Speed:

Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.

Friction and Efficiency:

Applications:

Miniature ball bearings find applications in various industries and sectors:

Electronics and Consumer Devices:

They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.

Medical and Dental Equipment:

Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.

Robotics and Automation:

Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.

Aerospace and Defense:

They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.

Optics and Instrumentation:

Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.

ball bearing

Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?

Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:

Deep Groove Ball Bearings:

Deep groove ball bearings are the most common and versatile type. They have a deep raceway that allows them to handle both radial and axial loads. They are used in a wide range of applications, including electric motors, household appliances, automotive components, and industrial machinery.

Angular Contact Ball Bearings:

Angular contact ball bearings have a contact angle that enables them to handle both radial and axial loads at specific angles. They are suitable for applications where combined loads or thrust loads need to be supported, such as in machine tool spindles, pumps, and agricultural equipment.

Self-Aligning Ball Bearings:

Self-aligning ball bearings have two rows of balls and are designed to accommodate misalignment between the shaft and the housing. They are used in applications where shaft deflection or misalignment is common, such as conveyor systems, textile machinery, and paper mills.

Thrust Ball Bearings:

Thrust ball bearings are designed to support axial loads in one direction. They are commonly used in applications where axial loads need to be supported, such as in automotive transmissions, steering systems, and crane hooks.

Single-Row vs. Double-Row Bearings:

Single-row ball bearings have a single set of balls and are suitable for moderate load and speed applications. Double-row ball bearings have two sets of balls and offer higher load-carrying capacity. Double-row designs are used in applications such as machine tool spindles and printing presses.

Miniature and Instrument Ball Bearings:

Miniature ball bearings are smaller in size and are used in applications with limited space and lower load requirements. They are commonly used in small electric motors, medical devices, and precision instruments.

Max-Type and Conrad Bearings:

Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.

High-Precision Ball Bearings:

High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.

High-Speed Ball Bearings:

High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.

In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.

China wholesaler Male Rod End Bearing Stainless Ball Steel Joint Bearing Phs 16 Left/Right Rod Bearing bearing air
editor by CX 2024-04-17

China Custom Skating Bearings Frictionless Deep Groove Ball Bearing bearing air

Product Description

MODEL NO.

Model No.	Model No.	Model No.	Model No.	Model No.	Model No.
6000-2RS	6001-2RS	6002-2RS	6003-2RS	6004-2RS	6005-2RS
6006-2RS	6008-2RS	6009-2RS	6200-2RS	6202-2RS	6300-2RS
6301-2RS	6303-2RS	6304-2RS	6305-2RS	6306-2RS	6308-2RS
608-RS	6015	6015N	6017N	6018	6018N
6019Z	6571	6201RS	6202RS	6203-2RS	6204-2RS
6205-2RS	6206-2RS	6207-2RS	6208-2RS	6208-2RS	6214
6210-ZNB	6210	6212	6212N	6212-ZN	6212-ZNB
6213-ZN	6216N	6217N	6218	6300RS	6302RS
6305-2RS	6306-2RS	6307-2RS	6308-2RS	6308N	6309N
6310-2RS	6311-2RS	6311N	6311N	6312N	6312-ZNB
6313N	6314	6314N	6315N	370309Y	6012-2r

Detailed Photos

FAQ

1. who are we?
We are based in ZheJiang , China, start from 2015,sell to Mid East(40.00%),South America(20.00%),Southeast Asia(10.00%),Africa(10.00%),Domestic Market(6.00%),South Asia(5.00%),Eastern Europe(3.00%),Western Europe(2.00%),Central America(2.00%),Northern Europe(2.00%). There are total about 101-200 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
clutch release bearing,cylindrical bearing,tapered roller bearing,needle roller bearing,deep groove ball bearing

4. why should you buy from us not from other suppliers?
The factory loctaed in Bearing town LinQing.We have over 20 years OEM experience and our own Brand. Our products are virous, and quality can fit to China fomous truck like Xihu (West Lake) Dis.feng, CZPT .

5. what services can we provide?
Accepted Delivery Terms: FOB,Express Delivery;
Accepted Payment Currency:USD,CNY;
Accepted Payment Type: T/T,Credit Card,PayPal,Western Union,Cash;
Language Spoken:English,Chinese

/* 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

Aligning:	Non-Aligning Bearing
Separated:	Unseparated
Rows Number:	Single
Load Direction:	Radial Bearing
Material:	Bearing Steel
Transport Package:	Corrugated Carton + Wooden Pallet

Samples:	US$ 0.1/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

ball bearing

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

Reduction of Internal Clearance:

Increased Stiffness:

Minimized Axial Play:

Enhanced Rigidity:

Reduction in Ball Slippage:

Improved Running Accuracy:

Optimized Performance at High Speeds:

Impact on Friction and Heat Generation:

Application-Specific Considerations:

ball bearing

What Role do Seals and Shields Play in Protecting Ball Bearings from Dirt and Debris?

Seals and shields are critical components of ball bearings that play a crucial role in protecting them from dirt, debris, moisture, and contaminants in various applications. These protective features help maintain the integrity of the bearing’s internal components and ensure reliable operation. Here’s how seals and shields contribute to bearing protection:

Contaminant Exclusion:

Seals and shields create a physical barrier between the external environment and the bearing’s interior. They prevent dust, dirt, water, and other contaminants from entering the bearing and coming into contact with the rolling elements and raceways.

Lubrication Retention:

Seals and shields help retain lubrication within the bearing. They prevent the lubricant from escaping and contaminants from entering, ensuring that the bearing remains properly lubricated for smooth operation and reduced friction.

Corrosion Prevention:

Seals and shields protect bearing components from exposure to moisture and corrosive substances. By preventing moisture ingress, they help extend the bearing’s lifespan by minimizing the risk of corrosion-related damage.

Extended Bearing Life:

Seals and shields contribute to the overall longevity of the bearing by reducing wear and damage caused by contaminants. They help maintain a clean internal environment, which promotes proper rolling contact and minimizes the risk of premature failure.

Enhanced Performance in Harsh Environments:

In applications exposed to harsh conditions, such as outdoor machinery or industrial settings, seals and shields are vital. They protect bearings from abrasive particles, chemicals, and extreme temperatures, ensuring reliable performance despite challenging conditions.

Noise and Vibration Reduction:

Seals and shields can help reduce noise and vibration generated by the bearing. They provide additional damping and stability, contributing to smoother operation and enhanced user comfort in noise-sensitive applications.

Customized Protection:

Manufacturers offer a variety of seal and shield designs to suit different application requirements. Some seals provide higher levels of protection against contamination, while others are designed for high-speed or high-temperature environments.

Trade-Offs:

While seals and shields offer significant benefits, they can also introduce some friction due to contact with the bearing’s inner or outer ring. Engineers must balance the level of protection with the desired operating characteristics, considering factors like friction, speed, and environmental conditions.

Overall, seals and shields play a vital role in maintaining the integrity and performance of ball bearings. By effectively preventing contaminants from entering and preserving lubrication, they ensure the smooth and reliable operation of machinery and equipment in a wide range of applications.

ball bearing

Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?

Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:

Deep Groove Ball Bearings:

Angular Contact Ball Bearings:

Self-Aligning Ball Bearings:

Thrust Ball Bearings:

Single-Row vs. Double-Row Bearings:

Miniature and Instrument Ball Bearings:

Max-Type and Conrad Bearings:

Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.

High-Precision Ball Bearings:

High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.

High-Speed Ball Bearings:

High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.

China Custom Skating Bearings Frictionless Deep Groove Ball Bearing bearing air
editor by CX 2024-04-17

China Standard Needle Roller Bearing Needle Roller and Cage Assemblies Track Roller Bearing Cam Follower Angular Contact Ball Bearing Spherical Roller Bearing bearing air

Product Description

Basic Features of Needle Roller Bearing
Types	Needle Roller and Cage Assemblies Drawn Cup Needle Roller Bearings Thrust Needle Roller Bearings Needle Roller Bearings with Rings
Material	Bearing Steel(GCr15, 100Cr6) SPCC St14 Nylon Bronze
Dimension	Metric and Inch
Dimension Range	3mm~200mm(bore diameter)
MOQ	1
Delivery Time	15-45 days
Sea Ports	ZheJiang HangZhou HangZhou

Why Choose HECTO?
1. More than 20 years of manufacturing and exporting experiences
2. an IATF16949 company
3. 100% inspecting of products
4. More competitive prices with better quality
5. More than 99% of delivery in time
6. Rapid response of your emails and questions
7. Products can be traced back

Needle Roller and Cage Assemblies

Shaft	Bearing No.	Boundary Dimensions(mm)			Basic Load Rating(N)		Limiting Speed
Shaft	Bearing No.	Fw	Ew	Bc	Cr	Cor	Oil(RPM)
3	K3X5X7TN	3	5	7	1540	1290	50000
	K3X5X9TN	3	5	9	1710	1480	48000
	K3X6X7TN	3	6	7	1430	970	47000
4	K4X7X7TN	4	7	7	2330	1840	43000
4	K4X7X10TN	4	7	10	2350	1920	39000
5	K5X8X8TN	5	8	8	2300	1880	37000
5	K5X8X10TN	5	8	10	2800	2450	37000
6	K6X9X8TN	6	9	8	2500	2240	35000
	K6X9X10TN	6	9	10	3300	3100	35000
	K6X10X13TN	6	10	13	3500	2800	33000
7	K7X10X8TN	7	10	8	2750	2550	32000
7	K7X10X10TN	7	10	10	3350	3400	32000
8	K8X11X8TN	8	11	8	3000	2900	30000
	K8X11X10TN	8	11	10	3830	3950	30000
	K8X11X13TN	8	11	13	5000	5700	30000
	K8X12X10TN	8	12	10	4900	4600	30000
9	K9X12X10TN	9	12	10	4200	4700	30000
9	K9X12X13TN	9	12	13	5500	6700	30000
10	K10X13X10TN	10	13	10	4500	5250	27000
	K10X13X13TN	10	13	13	6000	7600	27000
	K10X13X16TN	10	13	16	6300	7800	27000
	K10X14X10TN	10	14	10	7000	7900	27000
	K10X14X13TN	10	14	13	8000	9100	26000
	K10X16X12TN	10	16	12	7000	9300	27000
12	K12X15X9TN	12	15	9	4120	5210	25000
	K12X15X10TN	12	15	10	4320	5730	25000
	K12X15X13TN	12	15	13	6000	8100	25000
	K12X16X8TN	12	16	8	1200	4700	25000
	K12X16X10TN	12	16	10	6000	6900	25000
	K12X16X13TN	12	16	13	7900	9200	25000
	K12X17X13TN	12	17	13	9300	10000	24000
	K12X18X12TN	12	18	12	9800	8000	24000
	K12X15X20TN	12	15	20	8200	12000	25000
14	K14X17X10	14	17	10	5100	6800	23000
	K14X17X17	14	17	17	9300	14000	23000
	K14X18X10	14	18	10	6800	8300	23000
	K14X18X13	14	18	13	8100	9800	23000
	K14X18X14	14	18	14	9200	12000	23000
	K14X18X15	14	18	15	10000	13000	23000
	K14X18X17	14	18	17	10500	13900	23000
	K14X20X12	14	20	12	9900	10500	22000
15	K15X18X14	15	18	14	7500	11000	23000
	K15X18X17	15	18	17	9600	15900	23000
	K15X19X10	15	19	10	7200	9000	22000
	K15X19X13	15	19	13	8300	9800	22000
	K15X19X17	15	19	17	10300	15000	22000
	K15X19X24 ZW	15	19	24	12800	25710	22000
	K15X22X13	15	22	13	9700	11000	22000
	K15X22X12	15	22	12	10000	13000	22000
	K15X21X15	15	21	15	13800	16000	22000
	K15X21X21	15	21	21	18000	24000	22000
16	K16X20X10	16	20	10	7600	9700	22000
	K16X20X13	16	20	13	8700	11300	22000
	K16X20X17	16	20	17	11200	16300	22000
	K16X21X10	16	21	10	9000	12000	22000
	K16X22X12	16	22	12	11000	12000	21000
	K16X22X13	16	22	13	12000	13400	21000
	K16X22X16	16	22	16	14300	17000	21000
	K16X22X20	16	22	20	18000	22300	21000
	K16X23X14	16	23	14	19000	21000	19000
	K16X24X20	16	24	20	21100	23000	20000
17	K17X21X10	17	21	10	7900	15710	21000
	K17X21X13	17	21	13	10000	14100	21000
	K17X21X17	17	21	17	12000	17400	21000
	K17X23X14	17	23	14	11000	15000	21000
18	K18X22X10	18	22	10	8200	9900	20000
	K18X22X13	18	22	13	9000	12100	20000
	K18X22X17	18	22	17	11900	17600	20000
	K18X24X12	18	24	12	11200	12900	20000
	K18X24X13	18	24	13	12900	14900	20000
	K18X24X13.5	18	24	13.5	12900	14900	20000
	K18X24X20	18	24	20	20000	26500	20000
	K18X25X14	18	25	14	16500	18800	20000
	K18X25X22	18	25	22	22900	28400	20000
	K18X26X14	18	26	14	18000	20000	18000
	K18X28X16	18	28	16	19000	18400	19000
19	K19X23X13	19	23	13	9300	13000	20000
19	K19X23X17	19	23	17	12000	18600	20000
20	K20X24X10	20	24	10	8700	12100	19000
	K20X24X12	20	24	12	9600	13800	19000
	K20X24X13	20	24	13	9600	13800	19000
	K20X24X17	20	24	17	12400	20000	19000
	K20X26X12	20	26	12	13100	15700	19000
	K20X26X16	20	26	16	18000	25000	18500
	K20X26X17	20	26	17	18700	25500	19000
	K20X26X20	20	26	20	20600	28500	19000
	K20X28X20	20	28	20	23400	28000	18000
	K20X28X25	20	28	25	30000	28500	18000
	K20X30X30	20	30	30	35000	41000	18000
21	K21X25X13	21	25	13	9600	14500	19000
21	K21X25X17	21	25	17	12800	21000	19000
22	K22X26X10	22	26	10	8700	12900	18000
	K22X26X13	22	26	13	10000	15400	18000
	K22X26X17	22	26	17	13100	22100	18000
	K22X27X13	22	27	13	14000	23000	18000
	K22X28X17	22	28	17	19000	26500	18000
	K22X28X23	22	28	23	20000	27000	19000
	K22X29X16	22	29	16	19500	25000	17000
	K22X30X15TN	22	30	15	19600	22900	17000
	K22X30X20	22	30	20	21000	23500	18900
	K22X32X24	22	32	24	33500	39500	16000
23	K23X35X16TN	23	35	16	24000	23400	15000
24	K24X28X10	24	28	10	9400	14300	17000
	K24X28X13	24	28	13	10500	17000	17000
	K24X28X17	24	28	17	14000	24500	17000
	K24X29X13	24	29	13	13100	19100	16000
	K24X30X17	24	30	17	19000	27000	16000
	K24X30X31	24	30	31	27000	43000	16000
25	K25X29X10	25	29	10	9700	14900	16000
	K25X29X13	25	29	13	10800	17900	16000
	K25X29X17	25	29	17	14500	25500	16000
	K25X30X13	25	30	13	14100	21300	16000
	K25X30X20	25	30	20	21100	28000	16000
	K25X30X25	25	30	25	21700	40400	15000
	K25X30X26	25	30	26	25710	26500	15000
	K25X31X17	25	31	17	19000	28000	16000
	K25X31X21	25	31	21	24100	37500	16000
	K25X32X16	25	32	16	20500	27500	15000
	K25X33X20	25	33	20	28000	37500	15000
	K25X33X24	25	33	24	33900	46500	15000
	K25X34X18	25	34	18	48000	67000	15000
	K25X35X30	25	35	30	46500	61500	14000
	K25X30X26 ZW	25	30	26	21000	35000	14000
26	K26X30X10	26	30	10	9500	15500	16000
	K26X30X13	26	30	13	11100	18700	16000
	K26X30X17	26	30	17	14700	27000	16000
	K26X31X13	26	31	13	12400	18400	15000
	K26X30X22	26	30	22	15200	28000	16000
27	K27X32X17	27	32	27	16000	34000	17000
28	K28X32X16.5	28	32	16.5	15000	32400	14000
	K28X32X17	28	32	17	15000	32400	14000
	K28X33X13	28	33	13	14800	23600	14000
	K28X33X17	28	33	17	19100	33000	14000
	K28X33X27 TN	28	33	27	22800	40500	14000
	K28X34X17	28	34	17	21300	35000	14000
	K28X35X16	28	35	16	21000	29000	14000
	K28X35X18	28	35	18	23500	33500	14000
	K28X35X20	28	35	20	24000	34000	14000
	K28X35X27	28	35	27	34500	54500	14000
	K28X36X16	28	36	16	34000	47000	11000
	K28X40X18	28	40	18	33000	36500	12000
	K28X40X25	28	40	25	45000	54500	12000
30	K30X33X10	30	33	10
	K30X34X13	30	34	13	11800	21200	13000
	K30X35X13	30	35	13	15100	25000	13000
	K30X35X17	30	35	17	19100	33500	13000
	K30X35X26	30	35	26
	K30X35X27	30	35	27	30000	58500	13000
	K30X37X16	30	37	16	22500	33000	13000
	K30X38X25	30	38	25	16000	390000	13000
	K30X39X21	30	39	21
	K30X40X18	30	40	18	31500	39500	12000
	K30X40X27	30	40	27
	K30X40X30	30	40	30	48500	68500	13000
	K30X35X26	30	35	26	23500	43500	12000
	K30X42X44.1	30	42	44.1
32	K32X37X13	32	37	13	15000	25000	12000
	K32X37X17	32	37	17	19400	35000	12000
	K32X37X27	32	37	27	29500	59500	12000
	K32X37X28 TN	32	37	28	23100	43000	12000
	K32X38X16	32	38	16	21000	34000	12000
	K32X38X20	32	38	20	26000	44500	12000
	K32X38X26 TN	32	38	26	27000	46500	12000
	K32X39X16	32	39	16	23500	35000	12000
	K32X39X18	32	39	18	26000	40500	12000
	K32X40X20	32	40	20	37000	40500	12000
	K32X40X36	32	40	36	53500	91500	12000
	K32X46X32	32	46	32	65500	82500	11000
	K32X40X42 TN	32	40	42	49500	83500	12000
35	K35X40X13	35	40	13	15800	27500	11000
	K35X40X17	35	40	17	20300	38000	11000
	K35X40X25	35	40	25	29000	59500	11000
	K35X40X27 TN	35	40	27	24500	48000	11000
	K35X40X27	35	40	27	27800	62100	11000
	K35X40X30	35	40	30	25000	49500	11000
	K35X42X16	35	42	16	23900	37000	11000
	K35X42X18	35	42	18	27000	42500	11000
	K35X42X30	35	42	30	38500	67500	11000
	K35X43X18	35	43	18	28000	41500	11000
	K35X45X20	35	45	20	36500	49500	10000
	K35X45X30	35	45	30	52500	78500	10000
	K35X45X49	35	45	49	81500	13400	10000
	K35X40X30 ZW	35	40	30	31500	65500	11000
	K35X42X20 ZW	35	42	20	29500	48500	11000
36	K36X41X30	36	41	30	23000	43000	11000
36	K36X42X16	36	42	16	24000	42000	11000
37	K37X42X17	37	42	17	21900	42500	10000
	K37X42X27	37	42	27	31500	67500	10000
	K37X45X26	37	45	26	43500	73500	10000
38	K38X43X17	38	43	17	20000	38000	10000
	K38X43X27	38	43	27	31000	67500	10000
	K38X46X20	38	46	20	35000	56500	10000
	K38X46X32	38	46	32	54500	98500	10000
39	K39X44X24	39	44	24	28000	58500	10000
39	K39X44X26 ZW	39	44	26	27000	55500	10000
40	K40X44X13	40	44	13	13500	28000	10000
	K40X45X13	40	45	13	17100	32000	10000
	K40X45X17	40	45	17	20900	41000	10000
	K40X45X21	40	45	21	24400	49500	10000
	K40X45X27	40	45	27	32500	72500	10000
	K40X46X17	40	46	17	24500	44500	9000
	K40X47X18	40	47	18	29000	49500	9000
	K40X47X20	40	47	20	32000	56500	9000
	K40X48X20	40	48	20	35500	58500	9000
	K40X45X30 ZW	40	45	30	26000	53500	9000
42	K42X47X13	42	47	13	17300	33000	9000
	K42X47X17	42	47	17	21100	42500	9000
	K42X47X25 TN	42	47	25	27000	57500	9000
	K42X47X27	42	47	27	33000	74500	9000
	K42X48X35	42	48	35	35000	76000	9000
	K42X50X18	42	50	18	31000	49500	9000
	K42X50X20	42	50	20	34500	56500	9000
	K42X47X30 ZW	42	47	30	31000	75500	9000
43	K43X48X17	43	48	17	21000	42500	9000
	K43X48X27	43	48	27	33000	74500	9000
	K43X50X18	43	50	18	30500	53500	8000
45	K45X49X19	45	49	19	17500	40000	8000
	K45X50X17	45	50	17	22000	45000	8000
	K45X50X27	45	50	27	34000	79500	8000
	K45X50X32 TN	45	50	32	38000	90500	8000
	K45X52X18	45	52	18	31000	56500	8000
	K45X52X21 TN	45	52	21	39500	57500	8000
	K45X53X20	45	53	20	38500	66500	8000
	K45X53X21	45	53	21	38000	66500	8000
	K45X53X22	45	53	22	42000	66500	8000
	K45X53X28	45	53	28	51500	97500	8000
	K45X59X18 TN	45	59	18	43500	53500	7000
	K45X59X32	45	59	32	72500	101500	7000
	K45X59X36	45	59	36	75500	108500	7000
	K45X51X36 ZW	45	51	36	44500	98500	7000
47	K47X52X17	47	52	17	22800	48500	8000
	K47X52X27	47	52	27	34500	82500	8000
	K47X53X25	47	53	25	38000	81500	8000
	K47X55X28	47	55	28	52500	99500	7500
48	K48X54X19	48	54	19	30000	60500	7500
48	K48X54X25	48	54	25	31000	91000	7500
50	K50X55X13.5	50	55	13.5	17500	36000	7500
	K50X55X17	50	55	17	21400	46500	7500
	K50X55X20	50	55	20	26000	59500	7500
	K50X55X30	50	55	30	38500	96500	7500
	K50X57X18	50	57	18	33000	62500	7000
	K50X58X20	50	58	20	35000	61500	7000
	K50X58X25	50	58	25	43500	80500	7000
52	K52X57X12	52	57	12	17500	36000	7000
55	K55X60X20	55	60	20	28000	65500	6500
	K55X60X27	55	60	27	37500	96500	6500
	K55X60X30	55	60	30	40500	10300	6500
	K55X61X20	55	61	20	41000	11000	6500
	K55X62X18	55	62	18	35000	69500	6500
	K55X63X15	55	63	15	245000	40500	6500
	K55X63X20	55	63	20	39500	73500	6500
	K55X63X25	55	63	25	49500	99500	6500
	K55X63X32	55	63	32	61500	129500	6500
	K55X60X40ZW	55	60	40	48000	132000	6500
56	K56X61X20	56	61	20	27000	64500	6500
58	K58X63X17	58	63	17	21500	63500	6000
	K58X64X19	58	64	19	24500	77500	6000
	K58X65X18	58	65	18	34500	69500	6000
	K58X65X38ZW	58	65	38	48500	106500	6000
60	K60X65X20	60	65	20	29000	71500	6000
	K60X65X30	60	65	30	42000	115500	6000
	K60X68X20	60	68	20	43000	84500	5500
	K60X68X23	60	68	23	49000	100500	5500
	K60X68X25	60	68	25	52500	110500	5500
	K60X68X27	60	68	27	59000	120500	6000
	K60X75X42	60	75	42	11300	19200	5500
	K60X66X33ZW	60	66	33	45500	111500	6000
	K60X66X40ZW	60	66	40	57500	150500	5500
	K60X68X30ZW	60	68	30	44000	87500	5500
	K60X68X34ZW	60	68	34	47500	95500	5500
62	K62X70X40ZW	62	70	40	65500	145500	5500
63	K63X70X21	63	70	21	45000	100500	5500
64	K47X70X16	64	70	16	27500	59500	5500
65	K65X70X20	65	70	20	30000	76500	5500
	K65X70X30	65	70	30	43500	93500	5500
	K65X73X23	65	73	23	45500	93500	5000
	K65X73X30	65	73	30	56500	122500	5000
68	K68X74X20	68	74	20	35000	83500	5000
	K68X74X30	68	74	30	46000	117500	5000
	K68X74X35 ZW	68	74	35	48000	124500	5000
	K68X75X20	68	75	32	53500	127500	4500
70	K70X76X20	70	76	20	35500	85500	4500
	K70X76X30	70	76	30	51500	138500	4500
	K70X78X25	70	78	25	51500	111500	4500
	K70X78X30	70	78	30	59500	134500	4500
	K70X80X30	70	80	30	72500	147500	4500
	K70X78X46 ZW	70	78	46	77500	18800	4500
72	K72X80X20	80	20	41000	84500	4500
73	K73X79X20	73	79	20	36500	99500	4500
75	K75X81X20	75	81	20	37000	93500	4500
	K75X81X30	75	81	30	51500	142000	4500
	K75X83X23	75	83	23	49500	108000	4000
	K75X83X30	75	83	30	91500	142000	4000
	K75X83X35 ZW	75	83	35	62500	146500	4000
	K75X83X40 ZW	75	83	40	72500	176500	4000
80	K80X86X20	80	86	20	38000	97500	4000
	K80X86X30	80	86	30	55500	158500	4000
	K80X88X30	80	88	30	71500	178500	4000
	K80X88X40 ZW	80	88	40	75500	191500	4000
	K80X88X46 ZW	80	88	46	87500	23000	4000
85	K85X92X20	85	92	20	44000	15710	3500
90	K90X97X20	90	97	20	44500	112500	3000
	K90X98X27	90	98	27	60500	149500	3000
	K90X98X30	90	98	30	67500	171500	3000
95	K95X102X20	95	102	20	45500	122500	2900
	K95X103X30 ZW	95	103	30	68500	179500	2900
	K95X103X40 ZW	95	103	40	82500	227500	2900
100	K100X107X21	100	107	21	47500	126500	2700
	K100X108X27	100	108	27	56500	142500	2700
	K100X108X30	100	108	30	70500	187500	2700
105	K105X112X21	105	112	21	47000	126500	2500
105	K105X113X30	105	113	30	71500	196500	2500
110	K110X117X24	110	117	24	55500	157500	2300
110	K110X118X30	110	118	30	77500	218500	2300
115	K115X123X27	115	123	27	63000	170000	4100
	K115X125X35	115	125	35	63000	170000	4100
	K115X125X40	115	125	40	65000	175000	4100

Drawn Cup Needle Roller Bearings(Metric and Inch)

Bearing No.		Boundary Dimensions(mm)			Basic Load Ratings(N)		Limiting Speed
HK	BK	Fw	D	C	Cr	Cor	Oil(RPM)
HK0306TN	BK0306TN	3	6.5	6	1320	950	60000
HK0408TN	BK0408TN	4	8	8	1540	1070	40000
HK0509	BK0509	5	9	9	2200	1790	36000
HK0608	–	6	10	8	1830	1550	32000
HK0609	BK0609	6	10	9	2650	2400	30000
HK0708	–	7	11	8	2800	2150	27000
HK0709	BK0709	7	11	9	2800	2150	27000
HK0808	BK0808	8	12	8	2550	2400	21000
HK571	BK571	8	12	10	3700	3450	21000
HK08×14×10	–	8	14	10	3800	3950	25000
HK08×14×12	–	8	14	12	4100	4320	25000
HK571	BK571	9	13	10	4050	4250	25000
HK571	–	9	13	12	5000	6000	25000
HK1571	BK1571	10	14	10	3900	4800	19000
HK1012	BK1012	10	14	10	5000	6300	19000
HK1015	–	10	14	15	6700	7800	19000
HK10×16×10	–	10	16	10	6800	8800	18000
HK10×16×12	–	10	16	12	6800	8800	18000
HK10×16×15	–	10	16	15	6800	8800	19000
HK1210	BK1210	12	16	10	4150	5800	19000
HK1212	BK1212	12	18	12	3800	5100	15000
HK12×17×12	–	12	17	12	5100	7000	15000
HK12×17×15	–	12	17	15	5100	7000	15000
HK12×17×18	–	12	17	18	5100	7000	15000
HK12×18×12	BK12×18×12	12	18	12	550	6300	17000
HK1312	BK1312	13	19	12	6200	7100	17000
HK13.5×20×12	–	13.5	20	12	6250	7590	16000
HK1412	–	14	20	12	6800	7500	14000
HK1416	–	14	20	16	7300	9000	14000
HK15×20×12	–	15	20	12	5800	6000	14000
HK15×20×16	–	15	20	16	6000	6200	14000
HK15×20×20	–	15	20	20	6100	6400	14000
HK1512	BK1512	15	21	12	7000	8400	14000
HK1514	–	15	21	14	8500	10400	13000
HK1515	–	15	21	15	9100	11400	13000
HK1516	BK1516	15	21	16	9800	11400	14000
HK1522	–	15	21	22	10400	16500	14000
HK15×22×12	–	15	22	12	14300	18400	13000
HK1612	BK1612	16	22	12	7100	9200	14000
HK1614	–	16	22	14	8800	9900	12000
HK1616	BK1616	16	22	16	15710	14300	14000
HK1622	–	16	22	22	11100	17400	14000
HK1712	–	17	23	12	6900	9300	13000
HK1714	–	17	23	14	6800	15710	10000
HK1716	–	17	23	16	8500	12500	10000
HK1718	–	17	23	18	9500	10600	10000
HK17×25×14	–	17	25	14	13100	147000	10000
HK17×25×18	–	17	25	18	9500	10600	11000
HK1812	–	18	24	12	7100	9900	12000
HK1816	BK1816	18	24	16	10600	15300	12000
HK2571	–	20	26	10	5900	7200	10000
HK2014	–	20	26	14	9700	18100	9000
HK2016	BK2016	20	26	16	11700	29100	10000
HK2018	–	20	26	18	7900	12800	9000
HK2571	–	20	26	20	13700	24000	10000
HK2030	–	20	26	30	21800	40000	15710
HK20×27×20	–	20	27	20	26300	47800	9900
HK2210	–	22	28	10	7200	9500	1571
HK2212	BK2212	22	28	12	8100	10400	1571
HK22×29×30	–	22	29	30	19400	33100	9000
HK2512	BK2512	25	32	12	10000	14200	9000
HK2525	BK2525	25	32	25	22200	36700	9000
HK2816	BK2816	28	35	16	15400	22500	8700
HK2820	BK2820	28	35	20	18900	32000	8700
HK3012	BK3012	30	37	12	15710	16200	8100
HK3571	BK3571	30	37	20	19700	33500	8100
HK3224	–	32	39	24	25500	5200	7300
HK3516	BK3516	35	42	16	15700	27500	7100
HK4012	BK4012	40	47	12	14000	24300	6300
HK4512	BK4512	45	52	12	12900	22500	5800
HK5571	BK5571	50	58	20	28000	60000	5300
HK6012	BK6012	60	68	12	12400	29000	4100

SCE	BCE	Fw	D	C	Cr	Cor	Oil(RPM)
SCE44	BCE44	6.35	11.112	6.35	1602	1157	35000
SCE45	BCE45	6.35	11.112	7.94	2536	2092	35000
SCE55	BCE55	7.938	12.7	7.94	2892	2625	29000
SCE65	BCE65	9,525	14.288	7.94	2892	2417	25000
SCE67	BCE67	9,525	14.288	11.11	4361	4583	25000
SCE87	BCE87	12.7	17.462	11.11	5918	7387	19000
SCE88	BCE88	12.7	17.462	12.7	6897	9033	19000
SCE810	BCE810	12.7	17.462	15.88	8811	12237	19000
SCE95	BCE95	14.288	19.05	7.94	4049	4717	18000
SCE96	BCE96	14.288	19.05	9.52	5162	6408	18000
SCE98	BCE98	14.288	19.05	12.7	7698	1 0571	18000
SCE910	BCE910	14.288	19.05	15.88	9434	14017	18000
SCE912	BCE912	14.288	19.05	19.05	1571	16465	18000
SCE108	BCE108	15.875	20.638	12.7	8743	12015	16000
SCE1571	BCE1571	15.875	20.638	15.88	10368	16242	16000
SCE1012	BCE1012	15.875	20.638	19.05	12015	19802	16000
SCE116	BCE116	17.462	22.225	9.52	5740	7976	15000
SCE1210	BCE1210	19.05	25.4	15.88	12682	17577	13000
SCE1212	BCE1212	19.05	25.4	19.05	15352	22250	13000
SCE1312	BCE1312	20.638	26.988	19.05	16571	23585	12000
SCE148	BCE148	22.225	28.575	12.7	11125	15797	11000
SCE1412	BCE1412	22.225	28.575	19.05	16910	27145	11000
SCE1516	BCE1516	23.812	30.162	25.4	24030	43165	11000
SCE168	BCE168	25.4	31.72	12.7	12682	19135	10000
SCE1612	BCE1612	25.4	31.72	19.05	18571	30260	10000
SCE1616	BCE1616	25.4	31.72	25.4	24920	45390	10000
SCE188	BCE188	28.575	34.925	12.7	12905	25717	9000
SCE1812	BCE1812	28.575	34.925	19.05	18912	33375	9000
SCE1816	BCE1816	28.575	34.925	25.4	25810	49395	9000
SCE2012	BCE2012	31.75	38.1	19.05	21137	39605	8000
SCE2016	BCE2016	31.75	38.1	25.4	27145	54735	8000
SCE2212	BCE2212	34.925	41.275	19.05	21360	42750	7500
SCE2216	BCE2216	34.925	41.275	25.4	27590	59185	7500
SCE2416	BCE2416	38.1	47.625	25.4	38715	66305	6500
SCE2816	BCE2816	44.45	53.975	25.4	41385	75650	6000
SCE3220	BCE3220	50.8	60.325	31.75	55180	115700	5000

Thrust Needle Roller Bearings(Metric and Inch)

Bearing No.	Boundary Dimensions(mm)			Basic Load Ratings(N)		Limiting Speed
Bearing No.	Dc1	Dc	Dw	Ca	Coa	Oil(RPM)
AXK571TN	4	14	2	4450	8000	18000
AXK571TN	5	15	2	4750	9200	17000
AXK0619TN	6	19	2	6800	15500	16000
AXK0821TN	8	21	2	7800	19400	15000
AXK1571	10	24	2	9200	25500	14000
AXK1226	12	26	2	9900	29000	13000
AXK1528	15	28	2	11300	36000	11000
AXK1730	17	30	2	11900	39500	10000
AXK2035	20	35	2	13100	46500	8500
AXK2542	25	42	2	14700	58000	7000
AXK3047	30	47	2	16300	70000	6000
AXK3552	35	52	2	17800	81000	5500
AXK4060	40	60	3	28000	114000	4700
AXK4565	45	65	3	30000	128000	4300
AXK5070	50	70	3	32000	143000	3900
AXK5578	55	78	3	38000	186000	3500
AXK6085	60	85	3	44500	234000	3200
AXK6590	65	90	3	46500	255000	3000
AXK7095	70	95	4	54000	255000	2900
AXK75100	75	100	4	55000	265000	2700
AXK85715	80	105	4	56000	280000	2600
AXK85110	85	110	4	58000	290000	2400
AXK90120	90	120	4	73000	405000	2300
AXK100135	100	135	4	91000	560000	2000
AXK110145	110	145	4	97000	620000	1900
AXK120155	120	155	4	157100	680000	1700
AXK130170	130	170	5	133000	840000	1600
AXK140180	140	180	5	138000	900000	1500
AXK150190	150	190	5	143000	960000	1400
AXK165710	160	200	5	148000	1571000	1300

NTA411	6.35	17.45	1.984	4100	9100	28000
NTA512	7.93	19.05	1.984	4600	11100	25000
NTA613	9.52	20.63	1.984	4800	12100	23000
NTA815	12.7	23.8	1.984	5700	16200	19000
NTA916	14.27	25.4	1.984	6200	18200	18000
NTA1018	15.88	28.58	1.984	7000	22500	16000
NTA1220	19.05	31.75	1.984	7800	27000	14000
NTA1423	22.23	36.51	1.984	10400	40900	12000
NTA1625	25.4	39.68	1.984	10700	43900	11000
NTA1828	28.58	44.45	1.984	13500	60900	9800
NTA2031	31.75	49.21	1.984	16400	80900	8800
NTA2233	34.92	52.38	1.984	17400	89400	8200
NTA2435	38.1	55.56	1.984	18900	157100	7700
NTA2840	44.45	63.5	1.984	20600	119600	6900
NTA3244	50.8	69.85	1.984	19500	115200	6200
NTA3446	53.98	73.02	1.984	19900	119600	5900
NTA3648	57.15	76.2	1.984	25710	123600	5700
NTA3650	57.15	79.38	3.175	32900	168100	5300
NTA4052	63.5	82.55	1.984	20700	132100	5200
NTA4458	69.85	92.08	3.175	41700	242400	4600
NTA4860	76.2	95.25	1.984	21900	149400	4500
NTA5266	82.55	104.78	3.175	44900	279700	4000
NTA6074	95.25	117.48	3.175	48900	326400	3500
NTA6681	104.78	128.58	3.175	55600	395400	3200

/* 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

Cage:	With Cage
Rows Number:	Double
Load Direction:	Radial Bearing

Samples:	US$ 0/Set 1 Set(Min.Order) \| Order Sample quality bearing

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

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

Reduction of Internal Clearance:

Increased Stiffness:

Minimized Axial Play:

Enhanced Rigidity:

Reduction in Ball Slippage:

Improved Running Accuracy:

Optimized Performance at High Speeds:

Impact on Friction and Heat Generation:

Application-Specific Considerations:

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?

Friction Reduction:

Wear Prevention:

Heat Dissipation:

Corrosion Resistance:

Noise Reduction:

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:

Regular Maintenance:

China Standard Needle Roller Bearing Needle Roller and Cage Assemblies Track Roller Bearing Cam Follower Angular Contact Ball Bearing Spherical Roller Bearing bearing air
editor by CX 2024-04-16

China best Metal Guard Effective Air Flow Axial Fan Ball Bearing with UL, CE with high quality

Product Description

Model	F2E-220B-230	F2E-220B-115
Bearing	ball	ball
Voltage V	220/230	110/115
Frequency HZ	50/60	50/60
Current(A))	0.38/0.36	0.90
Power(W)	58/60	65
Speed(r/min)	2480/2580	2600
Air flow(m³/min)	580	580
Noise(dB)	64/66	65

Why should we choose Leipole products?

A: LEIPOLE is a leading manufacture produce terminal blocks, fan filters, thermostats, heaters, and transformer. It also provides other panel accessories such as cabinet lighting, bus bar system, distribution boxes and cable glands to meet various customers from different industry fields.

How can we ensure product quality from Leipole?

A: LEIPOLE believes QUALITY is critical. We committed ISO9001 from paper to real work in each position in the company. From supplier audits and incoming material inspection to quality control and final packing, we take each step very carefully to assure our product quality. We also provide 12 months warranty into operation.

Where can we buy Leipole products?

A: LEIPOLE has been building its sales network throughout the world. You can buy from your local distributors from our 11 partners in different countries and regions. For those clients who are unable to buy in their local, we can provide direct sales from our office in China or nearest distributor.

I am interested in becoming a distributor of Leipole Electric, how can I apply?

A: LEIPOLE welcomes every potential customers to work together in the future, please apply for the distributor by sending email to us.

/* 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

Material:	Aluminum Fan
Blade Material:	Plastic
Type:	Axial Fan
Electric Current Type:	AC
Mounting:	Free Standing
Certification:	RoHS, ISO, CE, CCC

Customization:	Available \| Customized Request

ball bearing

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

Unusual Noise:

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:

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:

Visible Wear or Damage:

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.

ball bearing

What Role do Seals and Shields Play in Protecting Ball Bearings from Dirt and Debris?

Contaminant Exclusion:

Lubrication Retention:

Corrosion Prevention:

Extended Bearing Life:

Enhanced Performance in Harsh Environments:

Noise and Vibration Reduction:

Customized Protection:

Trade-Offs:

ball bearing

Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?

Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:

Deep Groove Ball Bearings:

Angular Contact Ball Bearings:

Self-Aligning Ball Bearings:

Thrust Ball Bearings:

Single-Row vs. Double-Row Bearings:

Miniature and Instrument Ball Bearings:

Max-Type and Conrad Bearings:

Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.

High-Precision Ball Bearings:

High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.

High-Speed Ball Bearings:

High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.

China best Metal Guard Effective Air Flow Axial Fan Ball Bearing with UL, CE with high quality
editor by CX 2024-04-15