Tag Archives: ball bearings bearing

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?

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

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 Sales Asian Standard Linear Bearing Method Blue Bearings Can Be Used for Packaging Machine Deep Groove Ball Bearings bearing block

Product Description

Product Name: Asia standard lengthened Square Flanged Linear Bearing

Linear motion bearings have the characteristics of smooth movement, low friction, high rigidity, long life, economy, easy to maintain or replace,

Our priority is 100% quality control and 100% customer satisfaction. We have a responsibility to help our customers to be competitive and advantageous in the market

Maneuvering linear slides such as machine slides, XY tables, roller tables and some dovetail sliders are moved by the bearings of the drive mechanism. Not all linear slides are electric, there are non-electric dovetail slides, ball bearing sliders and roller sliders that provide low friction linear motion for inertially or manually driven devices. All linear sliders provide linear motion according to bearings, whether they are ball bearings, dovetail bearings or linear roller bearings. XY tables, linear stages, machine sliders and other advanced sliders use linear motion bearings to provide multi-axis movement along X and Y.

Product General information

a, Low frictional linear motion
    Steel balls are accurately guided by a retainer, so low frictional resistance and stable linear motion can be achieved.
    Simple replacement of conventional plain bushings
    It is easy to use Linear Bushings instead of conventional plain bushings, because both types are used with a round shaft, and no major redesign is necessary.
b, Wide variations
     For each dimensional series, standard, adjustable clearance and open types are available with and without seals, so the best     linear bushing for the application may be selected. In addition to the standard type, the high-rigidity long type is available.         These types can be selected to suit the requirements in applications.
c, Miniature linear bushing LM Compact design
    Miniature Linear Bushing is very small in size, allowing for compact assembly in machines and equipment.

d, High Reliability

ERSK linear bearing has very stringent quality control standards covering every production process. With proper lubrication and use,trouble-free operation for an extended period of time is possible.

e,Smooth Operation

The high efficiency of linear shaft is vastly superior to conventional shaft. The torque required is less than 30%. Linear motion can be easily changed from rotary motion. The linear bearings are moved very smoothly in the linear shaft.

f,High Durability

Rigidly selected materials, intensive heat treating and processing techniques, backed by years of experience,have resulted in the most durable linear bearings manufactured.

g,Easy interchangable

h,Easy maintenance

the linear rails can replace the base surface installation, the old wear parts (rails and blocks) can be replaced, reduce costs.

i,Easy installation

the linear rails and carriages can be changed easily, reduce material costs, reduce product prices, reduce product replacement costs and time.

Company Profile

Yiboyuan (HangZhou City) Precision Machinery Co., Ltd. is located in Bacha Road Industrial Park, HangZhou City, HangZhou City, ZheJiang Province, is a professional manufacturer of linear bearings

integrating design, research and development, production and sales. The company’s main products are: YBYZ linear bearings, YBYZ linear flange bearings, YBYZ nickel-plated linear bearings, YBYZ steel linear bearings, YBYZ box sliders, YBYZ smooth shaft supports, YBYZ self lubricating bearings, YBYZ outer steel inner copper linear bearings, YBYZ aluminum-plastic linear bearings, YBYZ all-plastic linear

bearings, YBYZ graphite copper sleeved linear bearings, YBYZ fixed rings, nut seats, cross shaft brackets and so on. Yiboyuan linear bearings should build the most complete linear bearing enterprises and smooth shaft supporting products at home and abroad, and solve one-stop procurement services for automation companies.Our mission – to create revenue benefits for customers, provide high-quality products for the market, and create a stage for employees to play, the future Yiboyuan is a high-tech, service-oriented, international Yiboyuan, to build a century-old brand is our continuous goal.

Brand trademark registration

Yiboyuan (HangZhou) Precision Machinery Co., Ltd. is a professional manufacturer of linear motion products with many years of experience. And has its own registered brand YBYZ, we specialize in the production of linear bearings, plain bearings, shaft bearings, box sliders, self-lubricating copper sleeve. Good quality, competitive price. Our company is located in HangZhou City, ZheJiang Province. Close to HangZhou Port, ZheJiang Port.

Our products are widely used in precision machinery, fitness equipment, printing presses, packaging machines, medical and food machinery, textile machinery and other machinery and auxiliary equipment. Our products sell well in North America, Western Europe, Australia, Southeast Asia, the Middle East, South America and other regions.

Our packing:
* Industrial pakage Address: Industrial Park, Bachalu Town, HangZhou City.
HangZhou City, ZheJiang Province.

/* 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

Feature:	Vacuum, Magnetically, Low Temperature, Corrosion Resistant, High Temperature, High Speed
Function:	Super
Flange Shape:	None
Shape:	Straight
Series:	LM
Material:	Bearing Steel

Samples:	US$ 0.1/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

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:

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.

Load Capacity:

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.

China Best Sales Asian Standard Linear Bearing Method Blue Bearings Can Be Used for Packaging Machine Deep Groove Ball Bearings bearing block
editor by CX 2024-05-15

China Hot selling Slewing Ring Bearings Ball Turntable Bearing Gear Slewing Bearing with Surface Treatment by Bluing (VLI200944N) bearing assembly

Product Description

CZPT is a professional manufacturer in slewing ring bearings since 1993. We can also design and make other standard and non-standard ball bearings, roller bearings and precision bearings as per customer’s different technical requirements.
Slewing bearing is also called slewing ring, slewing ring bearing, turntable bearing, and rotary bearing.
Three row roller slewing ring bearing has 3 seat-rings, which separate the upper, lower and radial raceway, via which the load of each row of the rollers may be specified. Thus it can carry different load simultaneously and its load capacity is the largest 1 of the 4 types

CZPT bearings can supply the following featured slewing bearing:
1. Single row slewing rings have a single row of balls, a standard bearing raceway, and 4 points of contact between the balls and raceway;
2. Double row products have tow rows of ball bearings, 2 raceways, and 8 points of contacts for each ball;
3. Slewing rings with 3 independent rows of rollers;
4. Cross roller slewing rings have a single row of rollers with the axes of alternation, adjacent rollers at right angles to 1 another
5. Ball and roller combined slewing rings have a row of rollers and a row of balls into the same unit.

Structure:
Triple row roller slewing bearing has 3 different types:
Triple row roller slewing bearing with no gear
Triple row roller slewing bearing with external gear
Triple row roller slewing bearing with internal gear

Advantages:
1. Best quality and price
2. Small order accepted
3. ISO certified company
4. Variorum models
5. Extensive stock available
6. OEM accepted

Application:
Mine machine, port hoisting machine, port oil transfer equipment, onshore and offshore crane, excavator, concrete machine, paper machine, plastic and rubber machine, weave machine, steel plant, electronic power plant, wind power generator, other construction and industry machines or equipments.

Packaging Details:
1. Bearing surface is covered with the anti-rust oil first; And then wrapped with the plastic film;
2. And then packed with Kraft paper and professional belts;
3. At last, with wooden box totally at the outer packing to invoid the rust or the moist;
4. We can depend on the customers demand to be packed;

Details for turret swing bearing VLI200944N:
ID: 840MM
OD: 1048MM
H: 56MM
W. T.: 67.5KG
Holes in outer ring: 16-φ 18
Holes in inner ring: 22- M12
Material: 50Mn
Surface treatment: Bluing
Application: Water-treatment equipment

More details, please contact us sooner…

External gear:
VLA2571-N
VLA200544-N
VLA200644-N
VLA20 0571 -N
VLA200844-N
VLA200944-N
VLA257194-N
VSA2571-N
VSA200544-N
VSA200644-N
VSA20 0571 -N
VSA200844-N
VSA200944-N
VSA257194-N
VSA25571-N
VSA25571-N
VSA25 0571 -N
VSA251055-N

Internal gear:
VLI2571-N
VLI200544-N
VLI200644-N
VLI20 0571 -N
VLI200844-N
VLI200944-N
VLI257194-N
VSI2571-N
VSI200544-N
VSI200644-N
VSI20 0571 -N
VSI200844-N
VSI200944-N
VSI257194-N
VSI25571-N
VSI25571-N
VSI25 0571 -N
VSI251055-N

Without gear:
VLU2571
VLU200544
VLU200644
VLU20 0571
VLU200844
VLU200944
VLU257194
VSU2571
VSU200544
VSU200644
VSU20 0571
VSU200844
VSU200944
VSU257194
VSU25571
VSU25571
VSU25 0571
VSU251055

Model	Overall Dimension			Mounting Dimension						Structure Dimension							Gear (mm)				Axial Load	Mass (Kgs)
	Da	di	H	La	Li	n1	n2	φ1	φ2	D1	b	h	B	C	Di	da	m	z	do	x	Axial Load	Mass (Kgs)
	mm			mm		n1	n2	φ1	φ2	mm
VLI2571N	518	325	56	490	375	8	12	φ18	M12	459	40	11.5	44.5	47.5	415.5	412.5	5	67	335	0	600	28.5
VLI 20 571N	516	325	56	490	375	8	12	φ18	M12	456	40	11.5	44.5	47.5	415.5	412.5	5	67	335	0	300	36.3
VLI2571N	518	325	56	490	375	8	12	18	M12	456	40	8.5	44.5	47.5	415.5	412.5	5	67	335	0	295	27.5
VLI200544N	648	444	56	620	505	10	16	φ18	M12	589	44.5	11.5	44.5	47.5	545.5	542.5	6	76	456	0	790	40.6
VLI200544N	648	444	56	620	505	10	16	18	M12	589	44.5	11.5	44.5	47.5	545.5	542.5	6	76	456	0	385	38
VLI200644N	748	546	56	720	605	12	18	φ18	M12	689	44.5	11.5	44.5	47.5	645.5	642.5	6	93	558	0	900	47.4
VLI200644N	748	546	56	720	605	12	18	18	M12	689	44.5	8.5	44.5	47.5	645.5	642.5	6	93	558	0	455	45
VLI20 0571 N	848	648	56	820	705	12	20	φ18	M12	789	44.5	11.5	44.5	47.5	745.5	742.5	6	110	660	0	530	54
VLI20 0571 N	848	648	56	820	705	12	20	18	M12	789	44.5	8.5	44.5	47.5	745.5	742.5	6	110	660	0	530	51.5
VLI200844N	948	736	56	920	805	14	20	φ18	M12	889	44.5	11.5	44.5	47.5	845.5	842.5	8	94	752	0	1200	65.2
VLI200844N	948	736	56	920	805	14	20	18	M12	889	44.5	8.5	44.5	47.5	845.5	842.5	8	94	752	0	600	61.5
VLI30 0571 N	1100	810	90	1060	894	30	30	22	M20		71	19	71	71	953	957	10	83	830	0	2550	164
VLI200944N	1048	840	56	1571	905	16	22	φ18	M12	989	44.5	11.5	44.5	47.5	945.5	942.5	8	107	856	0	1350	71
VLI200944N	1048	840	56	1571	905	16	22	18	M12	989	44.5	8.5	44.5	47.5	945.5	942.5	8	107	856	0	670	67.5
VLI357155N	1200	910	90	1160	994	30	30	22	M20		71	19	71	71	1053	1057	10	93	930	0	2800	181
VLI257194N	1198	984	56	1170	1055	16	24	φ18	M12	1139	44.5	11.5	44.5	47.5	1096	1093	8	125	1000	0	2000	80
VLI257194N	1198	984	56	1170	1055	16	24	18	M12	1139	44.5	8.5	44.5	47.5	1096	1093	8	125	1000	0	770	81.5
VLI301155N	1300	1571	90	1260	1094	36	36	22	M20*40		71	19	71	71	1153	1157	10	103	1030	0	3100	198
VLI301255N	1400	1110	90	1360	1194	42	42	22	M20*40		71	19	71	71	1253	1257	10	113	1130	0	3350	215
VLI301355N	1500	1210	90	1460	1294	42	42	22	M20*40		71	19	71	71	1353	1357	10	123	1230	0	3600	233
VLI301455N	1600	1310	90	1560	1394	48	48	22	M20*40		71	19	71	71	1453	1457	10	133	1330	0	4000	251

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

Rolling Body:	Ball Bearings
The Number of Rows:	Single
Outer Dimension:	200-6000mm
Material:	Bearing Steel
Spherical:	Non-Aligning Bearings
Load Direction:	Axial, Radial and Tilting Moment

Samples:	US$ 460/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

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

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

Reduced Friction:

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

Efficient Load Support:

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

Smooth Rotation:

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

High-Speed Capability:

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

Reduced Wear and Maintenance:

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

Energy Efficiency:

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

Versatility:

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

Reliability and Longevity:

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

Quiet Operation:

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

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

China Hot selling Slewing Ring Bearings Ball Turntable Bearing Gear Slewing Bearing with Surface Treatment by Bluing (VLI200944N) bearing assembly
editor by CX 2024-05-15

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 Professional Double Row Ball Slewing Bearings with External Teeth Ve086b03 bearing distributors

Product Description

CZPT is a professional manufacturer in slewing ring bearings since 1993. We can also design and make other standard and non-standard ball slewing ring bearings, roller slewing bearings and precision slewing ring bearings as per customer’s different technical requirements.

Slewing ring bearing is also called slewing ring, slewing bearing, turntable bearing, and rotary bearing.
Slewing ring bearing is a bearing that CZPT to bear axial load, radial load and overturning torque. Under normal circumstances, slewing ring bearings have their own mounting holes, lubricant holes and seal holes, to meet the different needs of the various host working under the various conditions;

On the other hand, slewing ring bearing itself has characteristics of compact structure, CZPT rotating convenient, easy to install and maintaining easily.

Slewing Ring Bearings——Types:
1.       4 point contact ball slewing ring bearings
2.       double row ball 4 point contact slewing ring bearings(same diameter ball; different diameter ball)
3.       cross roller slewing ring bearings
4.       triple row cylindrical roller combined slewing ring bearings
5.       ball roller combined slewing ring bearings
6.       light flanged slewing ring bearings

Slewing Ring Bearings——Technical Data:
1.       Material: 42CrMo, 50Mn
2.       Precision: P0. P6. P5.
3.       Outside diameter: 200~9500mm
4.       Cage/retainer: Nylon or aluminum
5.       Gear type: non-geared, internal gear and external gear, gear hardened

Slewing Ring Bearings——Applications:
Slewing ring bearings are widely used in industry and known as “the machine joints”
Hereunder is the specific slewing bearing applications
1. Construction machinery (e.g. cranes, excavators, loader, scraper)
2. Metallurgical machinery (e.g. for steel plant)
3. Heavy machinery equipments (e.g. mining machinery, concrete machinery)
4. Marine machinery equipment (e.g. vessel, port hoisting machine, port oil transfer equipment, onshore and offshore crane)
5. Light machinery equipments (e.g. paper machine, plastic, rubber machine, weave machine)
6. Wind power generator
7. Military products (e.g. aerospace machinery)
8. Packing machinery

Slewing Ring Bearings——Packaging Details:
Step 1: Covered with the anti-rust oil
Step 2: wrapped with the plastic film;
Step 3: Packed with Kraft paper and professional belts;
Step 4: Put into wooden box to avoid the rust or the moist;
Remark: Normally, plastic film+ Kraft +belt+ wooden box, but customized packing available,

Our Advantages:
1. Good quality and competitive price
2. Trial order accepted
3. ISO certified company
4. OEM and ODM accepted
5. Manufacturing slewing ring bearings since 2000

CZPT Slewing bearing models:
Double row ball slewing bearings with external teeth
VE050B01
VE061B00
VE086B03
VE098B00
VE108B03
VE114B00
VE120B00
VE120B01
VE120B12
VE122B00
VE129B00
VE138B04
VE138B05
VE147B01
VE147B03
VE160B00
VE160B04
VE163B01

Double row ball slewing bearings with internal teeth
VI057B02
VI085B00
VI095B01
VI097B06
VI098B03
VI101B00
VI107B01
VI117B01
VI117B06
VI120B00
VI120B01
VI125B01
VI134B00
VI147B01
VI147B02
VI153B03
VI153B06
VI175B03

Double row ball slewing bearings without teeth
VS050B00
VS061B00
VS098B00

/* 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

Transport Package:	Wooden Box
Specification:	ISO9001: 2008
Trademark:	LYHY
Origin:	China

Samples:	US$ 300/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

ball bearing

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

Vibration:

Bearing Type and Design:

Lubrication:

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:

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.

ball bearing

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

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

Lubrication:

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

Material Properties:

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

Clearance Changes:

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

Corrosion and Contamination:

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

Thermal Stress:

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

Noise and Vibration:

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

Lubricant Degradation:

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

Seal Effectiveness:

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

Choosing Appropriate Bearings:

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

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

ball bearing

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 Professional Double Row Ball Slewing Bearings with External Teeth Ve086b03 bearing distributors
editor by CX 2024-05-14

China high quality 6801-RS 12215mm Single Row Thin-Walled Deep Groove Ball Bearings for Mechanical Equipment carrier bearing

Product Description

6800 series deep groove ball bearings

Product Description

Deep Groove Ball Bearings

Deep groove ball bearing
This is the most widely used ball bearing type. Trapped between the 2 races is a ring of balls that transmit the load and allows rotational motion between the 2 races. The balls are held in place by a retainer.

They have very low rolling friction and are optimized for low noise and low vibration. This makes them ideal for high-speed applications.

They are comparatively easy to install and require minimal maintenance. Care must be taken during installation to prevent denting of the races as they have to be push fit CZPT shafts.6800 series deep groove ball bearings

Detailed Photos

Product Parameters

No.	Size										Rated load		Weight
	Inner Diameter		Out Diameter		Width (B)				Chamfering		Dynamic	Static	Weight
	d		D		Open Type		Shielded Type		rsmin (r)		Cr	Cr	Close
	mm	inch	mm	inch	mm	inch	mm	inch	mm	inch	N	N	KG
603	3	0.1181	9	0.3543	3	0.1181	5	0.1181	0.2	0.008	486	223	0.0014
604	4	0.1575	12	0.4724	4	0.1575	4	0.1575	0.2	0.008	960	350	0.571
605	5	0.1969	14	0.5512	5	0.1969	5	0.1969	0.2	0.008	1070	420	0.0037
606	6	0.2362	17	0.6693	6	0.2362	6	0.2362	0.3	0.012	1960	730	0.0069
607	7	0.2756	19	0.7480	6	0.2362	6	0.2362	0.3	0.012	2800	1060	0.0082
608	8	0.3150	22	0.8661	7	0.2756	7	0.2756	0.3	0.012	3290	1360	0.0129
609	9	0.3543	24	0.9449	7	0.2756	7	0.2756	0.3	0.012	3330	1410	0.0160
6000	10	0.3937	26	1.5716	8	0.3150	8	0.3150	0.3	0.012	4160	1780	0.0190
6001	12	0.4724	28	1.1571	8	0.3150	8	0.3150	0.3	0.012	5110	2380	0.5710
6002	15	0.5906	32	1.2598	9	0.3543	9	0.3543	0.3	0.012	5590	2840	0.0300
6003	17	0.6693	35	1.3780	10	0.3937	10	0.3937	0.3	0.012	6000	3250	0.0390
6004	20	0.7874	42	1.6535	12	0.4724	12	0.4724	0.6	0.571	9390	5571	0.0690
6005	25	0.9843	47	1.8504	12	0.4724	12	0.4724	0.6	0.571	10060	5860	0.0800
6006	30	1.1811	55	2.1654	13	0.5118	13	0.5118	1	0.039	11900	7460	0.1160
6007	35	1.3780	62	2.4409	14	0.5512	14	0.5512	1	0.039	16210	10420	0.1150
6008	40	1.5748	68	2.6677	15	0.5906	15	0.5906	1	0.039	17030	11700	0.1920
6009	45	1.7717	75	2.9528	16	0.6299	16	0.6299	1	0.039	21080	14780	0.2450
6571	50	1.9685	80	3.1496	16	0.6299	16	0.6299	1	0.039	22000	16260	0.2610
60/22	22	0.8661	44	1.7323	12	0.4724	12	0.4724	0.6	0.571	9400	5050	0.0740
60/28	28	1.1571	52	2.571	12	0.4724	12	0.4724	0.6	0.571	12500	7400	0.0980
60/32	32	1.2598	58	2.2835	13	0.5118	13	0.5118	1	0.039	15100	9150	0.1290

No.	Size										Rated load		Weight
	Inner Diameter		Out Diameter		Width (B)				Chamfering		Dynamic	Static	Weight
	d		D		Open Type		Shielded Type		rsmin (r)		Cr	Cr	Close
	mm	inch	mm	inch	mm	inch	mm	inch	mm	inch	N	N	KG
623	3	0.1181	10	0.3937	4	0.1575	4	0.1575	0.15	0.006	640	220	0.0016
624	4	0.1575	13	0.5118	5	0.1969	5	0.1969	0.2	0.008	1150	400	0.0032
625	5	0.1969	16	0.6299	5	0.1969	5	0.1969	0.3	0.012	1880	680	0.0051
626	6	0.2362	19	0.7480	6	0.2362	6	0.2362	0.3	0.012	2800	1060	0.
627	7	0.2756	22	0.8661	7	0.2756	7	0.2756	0.3	0.012	3290	1360	0.0131
628	8	0.3150	24	0.9449	8	0.3150	8	0.3150	0.3	0.012	3330	1410	0.0170
629	9	0.3543	26	1.5716	8	0.3150	8	0.3150	0.3	0.012	4160	1780	0.0191
6200	10	0.3937	30	1.1811	9	0.3543	9	0.3543	0.6	0.571	5110	2380	0.0320
6201	12	0.4724	32	1.2598	10	0.3937	10	0.3937	0.6	0.571	6180	3060	0.571
6202	15	0.5906	35	1.3780	11	0.4331	11	0.4331	0.6	0.571	7450	3700	0.0450
6203	17	0.6693	40	1.5748	12	0.4724	12	0.4724	0.6	0.571	9560	4780	0.0650
6204	20	0.7874	47	1.8504	14	0.5512	14	0.5512	1	0.039	12840	6650	0.1060
6205	25	0.9843	52	2.571	15	0.5906	15	0.5906	1	0.039	14571	7930	0.1280
6206	30	1.1811	62	2.4409	16	0.6299	16	0.6299	1	0.039	19460	11310	0.1990
6207	35	1.3780	72	2.8346	17	0.6693	17	0.6693	1.1	0.043	25670	15300	0.2880
6208	40	1.5748	80	3.1496	18	0.7087	18	0.7087	1.1	0.043	29520	18140	0.3660

No.	Size										Rated load		Weight
	Inner Diameter		Out Diameter		Width (B)				Chamfering		Dynamic	Static	Weight
	d		D		Open Type		Shielded Type		rsmin (r)		Cr	Cr	Close
	mm	inch	mm	inch	mm	inch	mm	inch	mm	inch	N	N	KG
633	3	0.1181	13	0.5118	5	0.1969	5	0.1969	0.2	0.008	1300	485	0.0034
634	4	0.1575	16	0.6299	5	0.1969	5	0.1969	0.3	0.012	1880	680	0.0054
635	5	0.1969	19	0.7480	6	0.2362	6	0.2362	0.3	0.012	2810	1060	0.0089
636	6	0.2362	22	0.8661	7	0.2756	7	0.2756	0.3	0.012	3290	1360	0.0145
637	7	0.2756	26	1.5716	9	0.3543	9	0.3543	0.3	0.012	3340	1410	0.5718
638	8	0.3150	28	1.1571	9	0.3543	9	0.3543	0.3	0.012	4160	1780	0.0303
639	9	0.3543	30	1.1811	10	0.3937	10	0.3937	0.6	0.571	5120	2390	0.571
6300	10	0.3937	35	1.3780	11	0.4331	11	0.4331	0.6	0.571	7640	3470	0.571
6301	12	0.4724	37	1.4567	12	0.4724	12	0.4724	1	0.039	9700	4190	0.0600
6302	15	0.5906	42	1.6535	13	0.5118	13	0.5118	1	0.039	11400	5430	0.0820
6303	17	0.6693	47	1.8504	14	0.5512	14	0.5512	1	0.039	13580	6580	0.1150
6304	20	0.7874	52	2.0742	15	0.5906	15	0.5906	1.1	0.043	15940	7880	0.1490
6305	25	0.9843	62	2.4409	17	0.6693	17	0.6693	1.1	0.043	22380	11490	0.2320
6306	30	1.1811	72	2.8346	19	0.7480	19	0.7480	1.1	0.043	27000	15200	0.3490
63/22	22	0.8661	56	2.2047	16	0.6299	16	0.6299	1.1	0.043	18400	9250	0.1760
63/28	28	1.1571	68	2.6772	18	0.7087	18	0.7087	1.1	0.043	26800	14000	0.2870
63/32	32	1.2598	75	2.9528	20	0.7874	20	0.7874	1.1	0.043	30000	16200	0.3820

No.	Size										Rated load		Weight
	Inner Diameter		Out Diameter		Width (B)				Chamfering		Dynamic	Static	Weight
	d		D		Open Type		Shielded Type		rsmin (r)		Cr	Cr	Close
	mm	inch	mm	inch	mm	inch	mm	inch	mm	inch	N	N	KG
683	3	0.1181	7	0.2756	2	0.0787	3	0.1181	0.1	0.004	420	135	0.571
684	4	0.1575	9	0.3543	2.5	0.0984	4	0.1575	0.1	0.004	480	170	0.571
685	5	0.1969	11	0.4331	3	0.1181	5	0.1969	0.15	0.006	770	320	0.0019
686	6	0.2362	13	0.5118	3.5	0.1378	5	0.1969	0.15	0.006	1080	440	0.0571
687	7	0.2756	14	0.5512	3.5	0.1378	5	0.1969	0.15	0.006	1170	510	0.0030
688	8	0.3150	16	0.6299	4	0.1575	5	0.1969	0.2	0.008	1250	590	0.0038
689	9	0.3543	17	0.6693	4	0.1575	5	0.1969	0.2	0.008	1330	660	0.0440
6800	10	0.3937	19	0.7480	5	0.1969	5	0.1969	0.3	0.012	1590	750	0.0050
6801	12	0.4724	21	0.8268	5	0.1969	5	0.1969	0.3	0.012	1910	1040	0.0060
6802	15	0.5906	24	0.9449	5	0.1969	5	0.1969	0.3	0.012	2070	1250	0.0070
6803	17	0.6693	26	1.5716	5	0.1969	5	0.1969	0.3	0.012	2130	1360	0.0080
6804	20	0.7874	32	1.2598	7	0.2756	7	0.2756	0.3	0.012	3480	2230	0.0190
6805	25	0.9843	37	1.4567	7	0.2756	7	0.2756	0.3	0.012	3680	2630	0.5710
6806	30	1.1811	42	1.6535	7	0.2756	7	0.2756	0.3	0.012	4000	3150	0.0260
6807	35	1.3780	47	1.8504	7	0.2756	7	0.2756	0.3	0.012	4270	3600	0.5710
6808	40	1.5748	52	2.571	7	0.2756	7	0.2756	0.3	0.012	4410	3890	0.0330
6809	45	1.7717	58	2.2835	7	0.2756	7	0.2756	0.3	0.012	4590	4330	0.0400
6810	50	1.9685	65	2.5591	7	0.2756	7	0.2756	0.3	0.012	6610	6080	0.0520
6811	55	2.1654	72	2.3846	9	0.3543	9	0.3543	0.3	0.012	8530	8080	0. 0571
6812	60	2.3622	78	3.0709	10	0.3937	10	0.3937	0.3	0.012	9200	8760	0.1060
6813	65	2.5591	85	3.3465	10	0.3937	10	0.3937	0.6	0.571	1571	9420	0.1250
6814	70	2.7559	90	3.5433	10	0.3937	10	0.3937	0.6	0.571	1571	10090	0.1350
6815	75	2.9528	95	3.7402	10	0.3937	10	0.3937	0.6	0.571	11230	1571	0.1450
6816	80	3.1496	100	3.9370	10	0.3937	10	0.3937	0.6	0.571	11320	11080	0.1550
6817	85	3.3465	110	4.3307	13	0.5118	13	0.5118	1	0.039	17599	18300	0.2650
6818	90	3.5433	115	4.5276	13	0.5118	13	0.5118	1	0.039	17853	18961	0.2800

No.	Size										Rated load		Weight
	Inner Diameter		Out Diameter		Width (B)				Chamfering		Dynamic	Static	Weight
	d		D		Open Type		Shielded Type		rsmin (r)		Cr	Cr	Close
	mm	inch	mm	inch	mm	inch	mm	inch	mm	inch	N	N	KG
6819	95	3.7402	120	4.7244	13	0.5118	13	0.5118	1	0.0390	18089	19616	0.2980
6820	100	3.9370	125	4.9213	13	0.5118	13	0.5118	1	0.0390	18340	20266	0.3110
6821	105	4.1339	130	5.1181	13	0.5118	13	0.5118	1	0.0390	18912	20924	0.3250
6822	110	4.3307	140	5.5118	16	0.6299	16	0.6299	1	0.0390	28100	30700	0.5100
6824	120	4.7244	150	5.9055	16	0.6299	16	0.6299	1	0.0390	28900	32900	0.5490
6826	130	5.1181	165	6.4961	18	0.7087	18	0.7087	1.1	0.0430	37900	42900	0.7900
6828	140	5.1181	175	6.8898	18	0.7087	18	0.7087	1	0. 0571	38200	44300	0.9900
6830	150	5.9055	190	7.4803	20	0.7874	20	0.7874	1	0. 0571	49100	57100	1.5000
6832	160	6.2992	200	7.8740	20	0.7874	20	0.7874	1	0. 0571	49600	59100	1.7000
6834	170	6.6929	215	8.4646	22	0.8661	22	0.8661	1	0. 0571	61500	73300	1.9000
6836	180	7.0866	225	8.8582	22	0.8661	22	0.8661	1	0. 0571	62300	75900	2.0000
6838	190	7.4803	240	9.4480	24	0.9449	24	0.9449	1.5	0.0590	75100	91600	2.1000
6840	200	7.8740	250	9.8425	24	0.9449	24	0.9449	1.5	0.0590	74200	91200	2.3800
6844	220	8.6614	270	10.6299	24	0.9499	–	–	1.5	0.0590	76400	97800	2.7900
6848	240	9.4488	300	11.8110	28	1.1571	–	–	2	0.0787	83500	108000	4.5000
6852	260	10.2362	320	12.5984	28	1.1571	–	–	2	0.0787	95000	128000	4.8500
6856	280	11.5716	350	13.7795	33	1.2992	–	–	2	0.0787	135000	178000	7.6000
6860	300	11.8110	380	14.9606	38	1.4960	–	–	2	0.0787	162000	222000	11.0000
6864	320	12.5984	400	15.7480	38	1.4960	–	–	2	0.0787	168000	235000	12.0000
6872	360	14.1732	440	17.3228	38	1.4960	–	–	2.5	0.0984	–	–	12.2000
6876	380	14.9606	480	18.8976	46	1.8110	–	–	2.5	0.0984	168000	235000	20.5000
6880	400	15.7480	500	19.6850	46	1.8110	–	–	2.5	0.0984	–	–	21.7000
6884	420	16.5354	520	20.4724	46	1.8110	–	–	2.5	0.1377	251000	425000	22.0000
6888	440	17.3228	540	21.2598	46	1.8110	–	–	2.5	0.0984	–	–	24.0000
6892	460	18.1102	580	22.8346	56	2.2047	–	–	3	0.1181	–	–	33.5000

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

Product Applications

Company Profile

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

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

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

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

Jieyi Bearing also provides OEM service, such as bearing quality, noise level, grease brand, packing method, etc. We have enough OEM experience, and have a complete OEM manual for customer reference.

Products have been selling well in the American, French, Spanish, Austria, Italian, the U. A. E. Saudi, Pakistan, India, and Brizal markets.

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

Welcome to people of various enterprises with advance!

Our Advantages

WHY CHOOSE US?

1. BETTER COMMUNICATION

JVZB Bearing understands customer service more so than factories, we focus entirely on the customer so it is often easier to communicate with you.

2. FAVORABLE PRICING

JVZB Beaing often uses factories that are not big enough to have their own international sales team or export license. This means: we can work with factories that have lower prices than some easy-to-find competitors online.

3. LOW MOQ

We have great relationships with factories or have product stock on hand, CZPT to offer lower order quantities for the small sized importer.

4. SUPPLIER VERIFICATION

JVZB Bearing have more than 10 years of long-standing relationships with the factories, so we are aware of the capabilities of each. If you need, we can visit the factory to carry out product inspections and check up on an order.

5. QC CONTROL

JVZB Bearing have our own quality inspection laboratory with advanced testing equipment, we are CZPT to reasonably ensure the quality of the finished products.

6. MULTIPLE VARIETY PURCHASE

In fact, bearing factories usually only produce 1 type of bearing, or even focus on producing several models. If you want multiple items sourced for 1 product, we can help. This is a great way to source more products and do so quickly and efficiently.

7. OEM or OEM SERVICE

If you need special package or special labeling, we are glad to support OEM or OEM service.

Product List

Deeo Groove Ball Bearing

Spherical Roller Bearing

Taper Roller Bearing

Needle Roller Bearing

Pillow Block Bearing

Ceramic Bearing

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Rolling Body:	Ball Bearings
The Number of Rows:	Single
Outer Dimension:	Small (28-55mm)

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

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

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

Regular Lubrication:

Clean Environment:

Proper Installation:

Regular Inspections:

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:

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

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 high quality 6801-RS 12*21*5mm Single Row Thin-Walled Deep Groove Ball Bearings for Mechanical Equipment carrier bearing
editor by CX 2024-05-14

China OEM FM Bearings for All Kinds of Transmissions 6400 62200 6317 6309 6325 6000 C3 Ball Bearings bearing distributors

Product Description

WHY CHOOSE E-ASIA BEARING?

1) 20 years of rich bearing industry export experience
2) ISO & MPA & CE & SGS & BV certified
3) Professional engineers team and Superior machines
4) 1 hour to HangZhou port or ZheJiang port
5) Strict quality inspection (3 steps) before shipment, such as SGS/BV third party certified.

CHOOSE E-ASIA REFUSED ONE TIME BUSINESS

Thrust Roller Bearings

81series

81102 81103 81104 81105 81106 81107 81108 81109 81110 81111 81112 81113 81114 81115 81116 81117 81118 81120 81122 81124 81126 81128 81130 81132 81134 81136 81138 81140 81144 81148 81152 81156 81160 81164 81168 81172 81176 81180 81184 81188 81192 81196 811/5 110145 120155 130170 140180 150190 165710

Company Profile

E-Asia was set up in 1996 and located at HangZhou, a beautiful city in China. Our company is bearing manufacturer and NSK CZPT CZPT CZPT CZPT HRB LYC NACHI C&U bearing distributor. We also provide OEM beaings.Since it was first established, E-AISA was dedicated in research, development and manufacture of bearings. Now, E-AISA has become main and 1 of the first grade suppliers of all kinds of bearings.
Our products include: Deep Groove Ball Bearings, Self-aligning Ball Bearings, Spherical Bearings, Tapered Roller Bearings,Cylindrical Roller Bearings, Needle Roller Bearings, Self-aligning Roller Bearings, Angular Contact Ball Bearings, Thrust Ball Bearings and Trust Roller Bearings and Special Bearings.
E-Asia is a backbone enterprise for bearing production in China. With an area of 60, 000 square meters, more than 260 sets devices and machines, and around 200 employees, our company annually turns out more than 6 million sets bearings.

Our Bearings are exported to the USA, Canada, UK, Germany, Poland, Italy, Russia, the Middle East, Africa and other countries and regions of the world. E-Asia Bearing Co. Ltd. Is committed to the introduction of high-quality bearing products. Our company have more than 200 employees.
Our brands include ZWZ bearings, CZPT bearings, CZPT bearings, CZPT bearings, CZPT bearings, CZPT bearings and so forth.

Our belief is “Specialization is quality; Quality is the future. Any product with 0.01% defect is 100% reject” is our quality policy.

Packaging & Shipping

FAQ

1.What is the minimum order quantity for this product?
Can be negotiated, we will try our best to meet customer needs.Our company is mainly based on wholesale sales, most customers’orders are more than 1 ton.

2.What is your latest delivery time?
Most orders will be shipped within 3-5 days of payment being received.

3.Does your company have quality assurance?
Yes, for 2 years.

4.What is the competitiveness of your company’s products compared to other companies?
High precision, high speed, low noise.

5.What are the advantages of your company’s services compared to other companies?
Answer questions online 24 hours a day, reply in a timely manner, and provide various documents required by customers for customs clearance or sales. 100% after-sales service.

6.Which payment method does your company support?
Do our best to meet customer needs, negotiable.

7.How to contact us quickly?
Please send us an inquiry or message and leave your other contact information, such as phone number, account or account, we will contact you as soon as possible and provide the detailed information you need.

/* 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

Brand:	Koyo, Timken NSK NTN .
Precision:	Z1V1 Z2V2 Z3V3
Cage:	Steel, Nylon, Brass
Payment:	L/C, T/T, Western Union
OEM Service:	Yes
Application:	Transmission, Instrumentation, Electrical

Customization:	Available \| Customized Request

ball bearing

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

Vibration:

Bearing Type and Design:

Lubrication:

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:

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.

ball bearing

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

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

ISO Standards:

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

ABEC (Annular Bearing Engineering Committee) Ratings:

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

DIN Standards:

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

JIS (Japanese Industrial Standards):

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

ASTM (American Society for Testing and Materials) Standards:

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

CE Marking:

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

Industry-Specific Standards:

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

Quality Management Systems:

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

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

ball bearing

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

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 OEM FM Bearings for All Kinds of Transmissions 6400 62200 6317 6309 6325 6000 C3 Ball Bearings bearing distributors
editor by CX 2024-05-14

China Custom Japan CZPT CZPT Bearings 6201 6202 6203 6204 6205 6208 6203RS Bearing CZPT 6204 6205 6206 6207 Ball Bearings 6203 6204 6201 CZPT carrier bearing

Product Description

Japan CZPT CZPT Bearings rs Bearing CZPT Ball Bearings NTN

Product Description

Deep Groove Ball Bearings:

Deep groove ball bearings are suitable for high or even very high speed operation, its very durable and do not require regular maintenance. This kind of bearing has small friction coefficient, high limit speed, various sizes and forms. It is widely used in precision instruments, low noise motors, automobiles, motorcycles and general machinery industries. It is mainly subjected to radial load and can also bear a certain amount of axial load.It can be used in gearboxes, instruments, motors, household appliances, internal combustion engines, roller skates, etc.

You can contact us to contact for specific information about the bearing model you want.

Detailed Photos

Size Information

Model	d(mm)	D(mm)	B(mm)	weight(kg)
6000	10	26	8	0.018
6001	12	28	8	0.571
6002	15	32	9	0.03
6003	17	35	10	0.04
6004	20	42	12	0.068
6005	25	47	12	0.079
6006	30	55	13	0.113
6007	35	62	14	0.149
6008	40	68	15	0.185
6009	45	75	16	0.231
6571	50	80	16	0.25
6201	12	32	10	0.036
6202	15	35	11	0.045
6203	17	40	12	0.065
6204	20	47	14	0.103
6205	25	52	15	0.127
6206	30	62	16	0.203
6207	35	72	17	0.287
6208	40	80	18	0.367
6209	45	85	19	0.416
6210	50	90	20	0.462

Our Main Products

1	Deep groove ball bearings
2	Insert bearings
3	Angular contact ball bearings
4	Self-aligning ball bearings
5	Thrust ball bearings
6	Cylindrical roller bearings
7	Needle roller bearings
8	Tapered roller bearings
9	Spherical roller bearings
10	Toroidal roller bearings
11	Cylindrical roller thrust bearings
12	Needle roller thrust bearings
13	Tapered roller thrust bearings
14	Spherical roller thrust bearings
15	Ball and roller screws
16	Linear guides and tables
17	Pollow block bearing
18	Wheel Bearings
19	Cam followers
20	Track rollers
21	Super-precision bearings
22	Plain bearings/Rod end bearings
23	Bearing Units
24	Bearing Housings

Packaging & Shipping

package	1)Neutral package + carton package 2)Carton package + pallet 3)Wood package + pallet
Delivery Time	1-3 days after order
Shipping	by air to door address / by sea to sea port

Company Profile

Certifications

FAQ

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

Contact Angle:	25°
Aligning:	Non-Aligning Bearing
Separated:	Unseparated

Samples:	US$ 3/Piece 1 Piece(Min.Order) \| Order Sample

Customization:	Available \| Customized Request

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

Shipping Cost: Estimated freight per unit.	about shipping cost and estimated delivery time.

Payment Method:
	Initial Payment Full Payment

Currency:	US$

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

ball bearing

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

Regular Lubrication:

Clean Environment:

Proper Installation:

Regular Inspections:

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:

ball bearing

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

Lubrication:

Material Properties:

Clearance Changes:

Corrosion and Contamination:

Thermal Stress:

Noise and Vibration:

Lubricant Degradation:

Seal Effectiveness:

Choosing Appropriate Bearings:

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 Japan CZPT CZPT Bearings 6201 6202 6203 6204 6205 6208 6203RS Bearing CZPT 6204 6205 6206 6207 Ball Bearings 6203 6204 6201 CZPT carrier bearing
editor by CX 2024-05-13

China best Hot Selling Thin Wall 61802 61803 61804 61805 6802 6803 6804 6805 C3 Deep Groove Ball Bearings for Motorcycle Parts bearing driver

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

OWN HEAT TREATMENT
CONTROALLABLE COST AND QUALITY.

We have 6 heat treatment production lines.

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 according 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

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.

4, Factory Inspection

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)
61802	15	24	5	22000	30000	2.1	1.3	0.005
61803	17	25	5	20000	28000	2.2	1.5	0.007
61804	20	32	7	18000	24000	3.5	2.2	0.015
61805	25	37	7	16000	20000	4.3	2.9	0.017
61806	30	42	7	13000	17000	4.7	3.6	0.019
61807	35	47	7	11000	15000	4.9	4.0	0.571
61808	40	52	7	10000	13000	5.1	4.4	0.026
61809	45	58	7	9000	12000	6.4	5.6	0.03
61810	50	65	7	8500	10000	6.6	6.1	0.043
61811	55	72	9	8000	9500	9.1	8.4	0.07
61812	60	78	10	7000	8500	9.1	8.7	0.093
61813	65	85	10	6700	8000	11.9	11.5	0.13
61814	70	90	10	6300	7500	12.1	11.9	0.138
61815	75	95	10	6000	7000	12.7	14.3	0.15
61816	80	100	10	5600	6700	13	15	0.15
61817	85	110	13	5500	6500	18.5	19.5	0.27
61818	90	115	13	5100	6300	19	20.1	0.28
61819	95	120	13	5000	6000	19.3	20.4	0.3
61820	100	125	13	1679	1960	45.6	62.6	0.31
61821	105	130	13	1650	1900	49.5	65.3	0.32
61822	110	140	16	1596	1830	50.6	73.6	0.6
61824	120	150	16	1560	1780	58.7	76	0.65
61826	130	165	18	1500	1720	60.3	79.2	0.93
61828	140	175	18	1474	1688	65.5	81	0.99
61830	150	190	20	1446	1653	68.9	85	1.5
61832	160	200	20	1410	1648	70.4	88.2	1.45
61834	170	215	22	1395	1624	74.8	90.8	1.9
61836	180	225	24	1364	1613	78.4	99.4	2
61838	190	240	24	1343	1598	109.5	140.1	2.6
61840	200	250	24	1310	1590	114.4	141.1	2.38
61844	220	270	24	1277	1568	146.7	146.5	3

/* 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:	Bearing Steel / Stainless Steel
Seals Options:	Z / 2z, Rz / 2rz, RS / 2RS, Rsz / Rzz, Zn / Znr /
Rows Number:	Single / Double
Tolerance:	P0 P6 P5
MOQ:	One Pallet
Lubrication:	Grease or Oil

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

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

Effective Sealing:

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:

Proper Lubrication:

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:

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:

Selection of Suitable Bearings:

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.

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editor by CX 2024-05-09

China Good quality Linear Bearings Lm8uu CNC Machine Linear System Used 8mm Linear Ball Bearings Lm8 Uu for 3D Printer bearing assembly

Product Description

Bearing structure: consists of outer cylinder, retainer, balls, side seals;
Premium grade raw material: GCr15 bearing steel cylinder, G10 class precision ball, PA66 plastic retainer;
Cylinder metal body is heat treated and hardened to enhance to the rigidity and working life;
Both the inner bore and outer cylinder surface are ground several procedures to guarantee the precision;
Completely washed by the super sonic washing machine, pre-lubricated;
Main features: high precision and rigidity, low friction, ease of assembly and replacement, good interchangeability;
Good quality at affordable rates, price is very economic and nice;
Ideal transmission component for linear motion movement, widely used in CNC machines, factory automation, industrial machines, electric tools, textile machines, fitting equipment, etc.;
Wide size range for option, models including(special size has to be customized):
LM3, LM4, LM5UU, LM6UU, LM8SUU, LM8UU, LM10UU, LM12UU, LM13UU, LM16UU, LM20UU, LM25UU, LM30UU, LM35UU, LM40UU, LM50UU, LM60UU, LM80UU, LM100UU, LM120UU, LM150UU, etc.

Product Parameters

Detailed Photos

Certifications

Packaging & Shipping

1.According to the quantity and the ship method of your order, we will choose the best packing ways.
2.For example, if the products shipped by TNT,DHL,FedEx, the goods would be packed by paper carton for economic delivery. As bulk order shipped by sea, the goods would be packed by wooden carton.

Our Advantages

FAQ

DO NOT worry about PRICE, we are manufacturer.

DO NOT worry about QUALITY, we have 16 years experience.

DO NOT worry about AFTER-SALES, we are 24 hours online.

Q1:Who we are?

We are the factory based in ZHangZhoug,China,start from 2007 sell to all over the.world.the factory area is around 45000 square meters.we have 900 employees.

Q2: Do you have a catalogue?

Can you send me the catalogue to have a check of all your products?

A: Yes , We have product catalogue.Please contact us on line or send an Email to sending the catalogue.

Q3: I can’t find the product on your catalogue, can you make this product for me?
A: Our catalogue shows most of our products,but not all.So just let us know what product do you need.

Q4 : Can you make customized products and customized packing?
A: Yes.We made a lot of customized products for our customer before.And we have many moulds for our customers already.About customized packing,we can put your Logo or other info on the packing.There is no problem.

Q5: Can you provide samples ? Are the samples free ?
A: Yes,we can provide samples.Normally,we provide 1-2pcs free samples for test or quality checking.But you have to pay for the
shipping cos.If you need many items, or need more qty for each item,we will charge for the samples.

Any requirements or question,Welcome to “Send” us an e-mail Now!

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Feature:	Magnetically, Corrosion Resistant, High Speed, High Precision
Function:	Super
Flange Shape:	Oval
Shape:	Flange
Series:	LM
Material:	Bearing Steel

Samples:	US$ 16.8/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

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

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

Reduction of Friction:

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

Radial and Axial Load Support:

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

Smooth Rotational Movement:

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

Applications in Machinery:

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

Automotive Industry:

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

Industrial Machinery:

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

High-Speed Applications:

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

Precision Instruments:

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

Variety of Sizes and Types:

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

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

China Good quality Linear Bearings Lm8uu CNC Machine Linear System Used 8mm Linear Ball Bearings Lm8 Uu for 3D Printer bearing assembly
editor by CX 2024-05-09