Product Description

 

Basic Info.

Model NO.

6

Production Capacity

5000PCS/Month

Product Description

Product Description

Deep Groove Ball Bearing

Deep Groove Ball Bearing is a common type of bearings and it is used in several industries from heavy machinery to high precision apparatus. This type of bearings consists of 4 elements that include inner ring, outer ring, cage that holds balls and ball bearings. Because of the flat surface on outer ring and
inner ring, Deep Groove Ball Bearings provides a larger area of contact that delivers high performance and high load capacity.

Here are examples of applications in which deep groove ball bearings might be used:

Electric motors and generators
Agriculture
Material handling
Industrial transmissions
Food and beverage
Industrial pumps
Industrial fans
Two and 3 wheelers
Cars and light trucks

Product Draw Structure

Product Parameters

Bearing Model Dimension Basic Load rating (kN) Weight (kg)
Standard type shield seal With snap ring groove With snap ring d D B rsmin D2 (max) max Cr Cor  
604 ZZ 2RZ 2RS N NR 4 12 4 0.2 0.806 0.28 0.0571
605 ZZ 2RZ 2RS N NR 5 14 5 0.2 1.33 0.505 0.0035
606 ZZ 2RZ 2RS N NR 6 17 6 0.3 1.95 0.75 0.0060
607 ZZ 2RZ 2RS N NR 7 19 6 0.3 2.34 0.95 0.0080
608 ZZ 2RZ 2RS N NR 8 22 7 0.3 3.45 1.37 0.012
609 ZZ 2RZ 2RS N NR 9 24 7 0.3 3.9 1.66 0.014
6000 ZZ 2RZ 2RS N NR 10 26 8 0.3 29.2 0.7 4.55 1.97 0.018
6001 ZZ 2RZ 2RS N NR 12 28 8 0.3 30.8 0.85 5.00 2.30 0.571
6002 ZZ 2RZ 2RS N NR 15 32 9 0.3 36.7 1.12 5.50 2.80 0.030
6003 ZZ 2RZ 2RS N NR 17 35 10 0.3 39.7 1.12 6.00 3.25 0.040
6004 ZZ 2RZ 2RS N NR 20   12 0.6 46.3 1.12 9.38 5.03 0.068
6005 ZZ 2RZ 2RS N NR 25 47 12 0.6 52.7 1.12 10.1 5.83 0.079
6006 ZZ 2RZ 2RS N NR 30 55 13 1 60.7 1.12 13.2 8.30 0.113
6007 ZZ 2RZ 2RS N NR 35 62 14 1 67.7 1.7 16.2 10.4 0.149
6008 ZZ 2RZ 2RS N NR 40 68 15 1 74.6 1.7 17.0 11.7 0.185
6009 ZZ 2RZ 2RS N NR 45 75 16 1 81.6 1.7 21.0 14.8 0.231
6571 ZZ 2RZ 2RS N NR 50 80 16 1 86.6 1.7 22.0 16.3 0.250
6011 ZZ 2RZ 2RS N NR 55 90 18 1.1 96.5 2.46 30.3 22.0 0.362
6012 ZZ 2RZ 2RS N NR 60 95 18 1.1 101.6 2.46 31.7 24.2 0.385
6013 ZZ 2RZ 2RS N NR 65 100 18 1.1 106.5 2.46 32.0 24.8 0.430
6014 ZZ 2RZ 2RS N NR 70 110 20 1.1 116.6 2.46 38.6 30.4 0.569
6015 ZZ 2RZ 2RS N NR 75 115 20 1.1 121.6 2.46 40.2 33.2 0.603
6016 ZZ 2RZ 2RS N NR 80 125 22 1.1 134.7 2.82 47.5 39.8 0.821
6017 ZZ 2RZ 2RS N NR 85 130 22 1.1 139.7 2.82 50.8 42.8 0.848
6018 ZZ 2RZ 2RS N NR 90 140 24 1.5 149.7 2.82 58.0 49.9 1.12
6019 ZZ 2RZ 2RS N NR 95 145 24 1.5 154.7 2.82 57.7 50.0 1.18
6571 ZZ 2RZ 2RS N NR 100 150 24 1.5 159.7 2.82 60.5 54.0 1.25
6571 ZZ 2RZ 2RS N NR 105 160 26 2 169.7 2.82 72.8 65.5 1.60
6571 ZZ 2RZ 2RS N NR 110 170 28 2 182.9 3.1 81.9 72.9 1.93
6571 ZZ 2RZ 2RS N NR 120 180 28 2 192.9 3.1 87.7 79.3 2.03
6026 ZZ 2RZ 2RS N NR 130 200 33 2 212.9 3.1 105 96.8 3.15
6571 ZZ 2RZ 2RS N NR 140 210 33 2 222.8 3.1 111 108 3.35
6030 ZZ 2RZ 2RS N NR 150 225 35 2.1 237 3.5 125 125 4.80
6032 ZZ 2RZ 2RS 160 240 38 2.1 137 135 5.15
6034 ZZ 2RZ 2RS 170 260 42 2.1 161 161 6.89
6036 ZZ 2RZ 2RS 180 280 46 2.1 180 185 8.88
6038 ZZ 2RZ 2RS 190 290 46 2.1 188 201 9.39
6040 ZZ 2RZ 2RS 200 310 51 2.1 207 226 12
6044 ZZ 2RZ 2RS 220 340 56 3 235 271 18.6
6048 ZZ 2RZ 2RS 240 360 56 3 244 296 19.9
6052 ZZ 2RZ 2RS 260 400 65 4 291 375 29.4
Bearing Model Dimension Basic Load
rating (kN)
Weight
(kg)
Standard
type
shield seal With snap
ring groove
With snap
ring
d D B rsmin D2
(max)
max Cr Cor  
624 ZZ 2RZ 2RS N NR 4 13 5 0.2 1.15 0.4 0.0031
625 ZZ 2RZ 2RS N NR 5 16 5 0.3 1.88 0.68 0.0048
626 ZZ 2RZ 2RS N NR 6 19 6 0.3 2.80 1.05 0.0081
627 ZZ 2RZ 2RS N NR 7 22 7 0.3 3.28 1.35 0.013
628 ZZ 2RZ 2RS N NR 8 24 8 0.3 3.35 1.40 0.017
629 ZZ 2RZ 2RS N NR 9 26 8 0.3 4.45 1.95 0.571
6200 ZZ 2RZ 2RS N NR 10 30 9 0.6 5.1 2.39 0.032
6201 ZZ 2RZ 2RS N NR 12 32 10 0.6 36.7 1.12 6.00 2.70 0.036
6202 ZZ 2RZ 2RS N NR 15 35 11 0.6 39.7 1.12 7.80 3.75 0.045
6203 ZZ 2RZ 2RS N NR 17 40 12 0.6 44.6 1.12 9.56 4.75 0.065
6204 ZZ 2RZ 2RS N NR 20 47 14 1 52.7 1.12 12.7 6.55 0.103
6205 ZZ 2RZ 2RS N NR 25 52 15 1 57.9 1.12 14.0 7.80 0.127
6206 ZZ 2RZ 2RS N NR 30 62 16 1 67.7 1.7 19.5 11.2 0.203
6207 ZZ 2RZ 2RS N NR 35 72 17 1.1 78.6 1.7 25.5 15.3 0.287
6208 ZZ 2RZ 2RS N NR 40 80 18 1.1 86.6 1.7 30.7 19.0 0.367
6209 ZZ 2RZ 2RS N NR 45 85 19 1.1 91.6 1.7 33.2 21.6 0.416
6210 ZZ 2RZ 2RS N NR 50 90 20 1.1 96.5 2.46 35.1 23.2 0.462
6211 ZZ 2RZ 2RS N NR 55 100 21 1.5 106.5 2.46 43.4 29.2 0.607
6212 ZZ 2RZ 2RS N NR 60 110 22 1.5 116.6 2.46 47.5 32.5 0.783
6213 ZZ 2RZ 2RS N NR 65 120 23 1.5 129.7 2.82 55.9 40.5 0.990
6214 ZZ 2RZ 2RS N NR 70 125 24 1.5 134.7 2.82 60.5 45.0 1.10
6215 ZZ 2RZ 2RS N NR 75 130 25 1.5 139.7 2.82 66.3 49.0 1.20
6216 ZZ 2RZ 2RS N NR 80 140 26 2 149.7 2.82 70.2 55.0 1.40
6217 ZZ 2RZ 2RS N NR 85 150 28 2 159.7 2.82 83.2 64.0 1.80
6218 ZZ 2RZ 2RS N NR 90 160 30 2 169.7 2.82 95.6 73.5 2.15
6219 ZZ 2RZ 2RS N NR 95 170 32 2.1 182.9 3.1 108 81.5 2.60
6220 ZZ 2RZ 2RS N NR 100 180 34 2.1 192.9 3.1 122 92.7 3.20
6221 ZZ 2RZ 2RS N NR 105 190 36 2.1 202.9 3.1 133 104 3.71
6222 ZZ 2RZ 2RS N NR 110 200 38 2.1 212.9 3.1 144 117 4.44
6224 ZZ 2RZ 2RS N NR 120 215 40 2.1 227.8 3.1 155 130 5.32
6226 ZZ 2RZ 2RS N NR 130 230 40 3 242 3.5 165 147 6.13
6228 ZZ 2RZ 2RS N NR 140 250 42 3 262 3.5 165 125 7.45
6230 ZZ 2RZ 2RS 150 270 45 3 174 137 9.40
6232 ZZ 2RZ 2RS 160 290 68 3 185 186 12.8
6234 ZZ 2RZ 2RS 170 310 52 4 212 224 15.8
6236 ZZ 2RZ 2RS 180 320 52 4 227 241 15.9
6238 ZZ 2RZ 2RS 190 340 55 4 255 282 22.3
6240 ZZ 2RZ 2RS 200 360 58 4 269 310 26.7
6244 ZZ 2RZ 2RS 220 400 65 4 310 375 37.4
6248 ZZ 2RZ 2RS 240 440 72 4 340 430 50.5
6252 ZZ 2RZ 2RS 260 480 80 5 400 540 67
6256 ZZ 2RZ 2RS 280 500 80 5 400 550 70.4
6260 ZZ 2RZ 2RS 300 540 85 5 465 670 87.8

 

Bearing Model Dimension Basic Load
rating (kN)
Weight
(kg)
Standard
type
shield seal With snap
ring groove
With snap
ring
d D B rsmin D2
(max)
F max Cr Cor  
635 ZZ 2RZ 2RS N NR 5 19 6 0.3 2.34 0.95 0.0080
636 ZZ 2RZ 2RS N NR 6 22 7 0.3     0.0134
637 ZZ 2RZ 2RS N NR 7    
638 ZZ 2RZ 2RS N NR 8 28 9 0.3     0.5710
639 ZZ 2RZ 2RS N NR 9    
6301 ZZ 2RZ 2RS N NR 12 37 12 1 41.3 1.12 9.70 4.20 0.060
6302 ZZ 2RZ 2RS N NR 15 42 13 1 46.3 1.12 11.4 5.40 0.082
6303 ZZ 2RZ 2RS N NR 17 47 14 1 52.7 1.12 13.5 6.55 0.115
6304 ZZ 2RZ 2RS N NR 20 52 15 1.1 57.9 1.12 15.9 7.80 0.141
6305 ZZ 2RZ 2RS N NR 25 62 17 1.1 67.7 1.7 22.5 11.6 0.219
6306 ZZ 2RZ 2RS N NR 30 72 19 1.1 78.6 1.7 28.1 16.0 0.350
6307 ZZ 2RZ 2RS N NR 35 80 21 1.5 86.6 1.7 33.2 19.0 0.454
6308 ZZ 2RZ 2RS N NR 40 90 23 1.5 96.5 2.46 31.4 22.4 0.639
6309 ZZ 2RZ 2RS N NR 45 100 25 1.5 106.5 2.46 52.7 31.5 0.836
6310 ZZ 2RZ 2RS N NR 50 110 27 2 116.6 2.46 61.8 38.0 1.05
6311 ZZ 2RZ 2RS N NR 55 120 29 2 129.7 2.82 71.5 45.0 1.35
6312 ZZ 2RZ 2RS N NR 60 130 31 2.1 139.7 2.82 81.9 52.0 1.70
6313 ZZ 2RZ 2RS N NR 65 140 33 2.1 149.7 2.82 92.3 60.0 2.10
6314 ZZ 2RZ 2RS N NR 70 150 35 2.1 159.7 2.82 104 68.0 2.50
6315 ZZ 2RZ 2RS N NR 75 160 37 2.1 169.7 2.82 114 76.5 3.00
6316 ZZ 2RZ 2RS N NR 80 170 39 2.1 182.9 3.1 124 86.5 3.60
6317 ZZ 2RZ 2RS N NR 85 180 41 3 192.9 3.1 133 96.5 4.25
6318 ZZ 2RZ 2RS N NR 90 190 43 3 202.9 3.1 143 108 4.90
6319 ZZ 2RZ 2RS N NR 95 200 45 3 212.9 3.1 153 119 5.75
6320 ZZ 2RZ 2RS N NR 100 215 47 3 227.8 3.1 174 140 7.00
6321 ZZ 2RZ 2RS N NR 105 225 49 3 237 3.5 182 153 8.25
6322 ZZ 2RZ 2RS N NR 110 240 50 3 252 3.5 205 178 9.54
6324 ZZ 2RZ 2RS 120 260 55 3 228 207 12.2
6326 ZZ 2RZ 2RS 130 280 58 4 229 216 18.0
6328 ZZ 2RZ 2RS 140 300 62 4 251 245 22.0
6330 ZZ 2RZ 2RS 150 320 65 4 274 284 22.7
6332 ZZ 2RZ 2RS 160 340 68 4 278 287 26.2
6334 ZZ 2RZ 2RS 170 360 72 4 325 355 36.6
6336 ZZ 2RZ 2RS 180 380 75 4 355 405 43.1
6338 ZZ 2RZ 2RS 190 400 78 5 355 415 49.7
6340 ZZ 2RZ 2RS 200 420 80 5 380 445 55.3
6344 ZZ 2RZ 2RS 220 460 88 5 410 520 73.9
6348 ZZ 2RZ 2RS 240 500 95 5 470 625 94.4
6352 ZZ 2RZ 2RS 260 540 102 6 505 710 118
6356 ZZ 2RZ 2RS 280 580 108 6 570 840 144

The data above is for your reference, customized can be well accepted. Pls contact us freely about the detailes.Your any request will be highly appreciated.

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Product Feature

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Rolling Body: Roller Bearings
The Number of Rows: Single
Outer Dimension: Small and Medium-Sized (60-115mm)
Material: Bearing Steel
Spherical: Aligning Bearings
Load Direction: Radial Bearing
Samples:
US$ 10/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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

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

  • Material Composition:

Ceramic Ball Bearings:

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

Traditional Steel Ball Bearings:

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

  • Friction and Heat:

Ceramic Ball Bearings:

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

Traditional Steel Ball Bearings:

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

  • Weight:

Ceramic Ball Bearings:

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

Traditional Steel Ball Bearings:

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

  • Corrosion Resistance:

Ceramic Ball Bearings:

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

Traditional Steel Ball Bearings:

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

  • Speed and Precision:

Ceramic Ball Bearings:

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

Traditional Steel Ball Bearings:

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

  • Cost:

Ceramic Ball Bearings:

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

Traditional Steel Ball Bearings:

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

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

ball bearing

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

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

  • Reduction of Friction:

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

  • Radial and Axial Load Support:

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

  • Smooth Rotational Movement:

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

  • Applications in Machinery:

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

  • Automotive Industry:

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

  • Industrial Machinery:

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

  • High-Speed Applications:

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

  • Precision Instruments:

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

  • Variety of Sizes and Types:

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

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

China factory Zwz/ Lyc/Hrb 6007 6008 Zz 2RS Deep Groove Ball Bearing OEM ODM   double row ball bearingChina factory Zwz/ Lyc/Hrb 6007 6008 Zz 2RS Deep Groove Ball Bearing OEM ODM   double row ball bearing
editor by CX 2024-02-18