China Best Sales Bearing Rolamentos 6303-2RS High Precision Double Sealed Deep Groove Ball Bearing with Chrome Steel connecting rod bearing

Product Description

Bearing 6303-2RS High Precision Double Sealed Deep Groove Ball Bearing

Bearing parameters:
 

CHROME STEEL*     Dimensions in mm unless otherwise specified
 
Bore O.D. Width Open Bearing Shielded Bearing Sealed Bearing Basic Load Ratings
      KN
HNS HNS HNS dynamic static
Reference Reference Reference C Co
20 42 12 6004 6004ZZ 6004-2RS 7.22 4.46
47 14 6204 6204ZZ 6204-2RS 12.7 6.5
52 15 6304 6304ZZ 6304-2RS 15.9 7.8
25 47 12 6005 6005ZZ 6005-2RS 10.1 5.85
52 15 6205 6205ZZ 6205-2RS 14 7.8
62 17 6305 6305ZZ 6305-2RS 22.5 11.6
80 21 6405 6405ZZ 6405-2RS 36.1 19.4
30 55 13 6006 6006ZZ 6006-2RS 10.2 6.91
62 16 6206 6206ZZ 6206-2RS 19.5 11.2
72 19 6306 6306ZZ 6306-2RS 28.1 16
90 23 6406 6406ZZ 6406-2RS 43.4 23.9
35 62 14 6007 6007ZZ 6007-2RS 16 10.3
72 17 6207 6207ZZ 6207-2RS 25.5 15.3
80 21 6307 6307ZZ 6307-2RS 33.2 19
100 25 6407 6407ZZ 6407-2RS 55 31
40 68 15 6008 6008ZZ 6008-2RS 13 11.5
80 18 6208 6208ZZ 6208-2RS 29.8 18
90 23 6308 6308ZZ 6308-2RS 39.8 23.3
110 27 6408 6408ZZ 6408-2RS 65.5 37.5
45 75 16 6009 6009ZZ 6009-2RS 21 14.9
85 19 6209 6209ZZ 6209-2RS 32.2 21
100 25 6309 6309ZZ 6309-2RS 51.1 30.5
120 29 6409 6409ZZ 6409-2RS 77.5 45.5
50 80 16 6571 6571ZZ 6571-2RS 22 16.2
90 20 6210 6210ZZ 6210-2RS 34 22.5
110 27 6310 6310ZZ 6310-2RS 59.9 36.9
130 31 6410 6410ZZ 6410-2RS 92.2 55.2
55 90 18 6011 6011ZZ 6011-2RS 30.4 22
100 21 6211 6211ZZ 6211-2RS 43.3 28.1
120 29 6311 6311ZZ 6311-2RS 71.5 44.6
140 33 6411 6411ZZ 6411-2RS 100 62.5
60 95 18 6012 6012ZZ 6012-2RS 30.7 22.7
110 22 6212 6212ZZ 6212-2RS 46.1 31.5
130 31 6312 6312ZZ 6312-2RS 79.4 50.4
150 35 6412 6412ZZ 6412-2RS 109 70
65 100 18 6013 6013ZZ 6013-2RS 32.1 24.9
120 23 6213 6213ZZ 6213-2RS 54.2 39.3
140 33 6313 6313ZZ 6313-2RS 89.5 59.7
160 37 6413 6413ZZ 6413-2RS 118 78.5
70 110 20 6014 6014ZZ 6014-2RS 38.6 30.6
125 24 6214 6214ZZ 6214-2RS 58.9 43.6
150 35 6314 6314ZZ 6314-2RS 101 66
180 42 6414 6414ZZ 6414-2RS 140 99.5
75 115 20 6015 6015ZZ 6015-2RS 31 33.1
130 25 6215 6215ZZ 6215-2RS 64.3 47.5
160 37 6315 6315ZZ 6315-2RS 111 74.2
190 45 6415 6415ZZ 6415-2RS 154 115
80 125 22 6016 6016ZZ 6016-2RS 47.5 39.8
140 26 6216 6216ZZ 6216-2RS 68.1 53.3
170 39 6316 6316ZZ 6316-2RS 120 83.9
200 48 6416 6416ZZ 6416-2RS 163 125
85 130 22 6017 6017ZZ 6017-2RS 50.8 42.8
150 28 6217 6217ZZ 6217-2RS 83.2 64
180 41 6317 6317ZZ 6317-2RS 132 96.5
210 52 6417 6417ZZ 6417-2RS 175 138
90 140 24 6018 6018ZZ 6018-2RS 58 49.8
160 30 6218 6218ZZ 6218-2RS 92.7 71.3
190 43 6318 6318ZZ 6318-2RS 145 108
225 54 6418 6418ZZ 6418-2RS 192 158
95 145 24 6019 6019ZZ 6019-2RS 57.8 50
170 32 6219 6219ZZ 6219-2RS 105 79.1
200 45 6319 6319ZZ 6319-2RS 157 122
100 150 24 6571 6571ZZ 6571-2RS 64.5 56.2
180 34 6220 6220ZZ 6220-2RS 118 88.4
215 47 6320 6320ZZ 6320-2RS 173 140
105 160 26 6571 6571ZZ 6571-2RS 71.8 63.2
190 36 6221 6221ZZ 6221-2RS 126 98.8
225 49 6321 6321ZZ 6321-2RS 173 145
110 170 28 6571 6571ZZ 6571-2RS 81.9 72.9
200 38 6222 6222ZZ 6222-2RS 136 112
240 50 6322 6322ZZ 6322-2RS 193 171
120 180 28 6571 6571ZZ 6571-2RS 88.7 79.7
215 40 6224 6224ZZ 6224-2RS 139 112
260 55 6324 6324ZZ 6324-2RS 217 196
130 200 33 6026 6026ZZ 6026-2RS 105 96.8
230 40 6226 6226ZZ 6226-2RS 148 125
280 58 6326 6326ZZ 6326-2RS 218 205
140 210 33 6571 6571ZZ 6571-2RS 116 108
250 42 6228 6228ZZ 6228-2RS 179 167
300 62 6328 6328ZZ 6328-2RS 275 272
150 225 35 6030 6030ZZ 6030-2RS 132 125
270 45 6230 6230ZZ 6230-2RS 190 183
160 240 38 6032 6032ZZ 6032-2RS 145 138
290 48 6232 6232ZZ 6232-2RS 215 218

About Deep Groove Ball Cearing

  • 6000 Series – Extra Light Ball Bearings – Ideal for limited space applications
  • 6200 Series – Light Series Ball Bearings – Balanced between space and load capacity
  • 6300 Series – Medium Series Ball Bearings – Ideal for heavier load capacity applications

Deep groove ball bearing component:

Rich bearings in stock:


Application


Package:
A. Plastic paper + kraft paper + outer carton + Nylon bag
B. Tube package + outer carton + Nylon bag
C. Single box + outer carton + pallets
D. According to your requirement

For more information, contact us directly pls.
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Aligning: Non-Aligning Bearing
Separated: Unseparated
Rows Number: Single
Samples:
US$ 0.1/Piece
1 Piece(Min.Order)

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Order Sample
Customization:
Available

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Customized Request

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

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

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

  • Material Composition:

Ceramic Ball Bearings:

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

Traditional Steel Ball Bearings:

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

  • Friction and Heat:

Ceramic Ball Bearings:

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

Traditional Steel Ball Bearings:

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

  • Weight:

Ceramic Ball Bearings:

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

Traditional Steel Ball Bearings:

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

  • Corrosion Resistance:

Ceramic Ball Bearings:

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

Traditional Steel Ball Bearings:

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

  • Speed and Precision:

Ceramic Ball Bearings:

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

Traditional Steel Ball Bearings:

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

  • Cost:

Ceramic Ball Bearings:

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

Traditional Steel Ball Bearings:

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

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

ball bearing

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

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

  • Reduction of Friction:

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

  • Radial and Axial Load Support:

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

  • Smooth Rotational Movement:

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

  • Applications in Machinery:

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

  • Automotive Industry:

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

  • Industrial Machinery:

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

  • High-Speed Applications:

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

  • Precision Instruments:

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

  • Variety of Sizes and Types:

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

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

China Best Sales Bearing Rolamentos 6303-2RS High Precision Double Sealed Deep Groove Ball Bearing with Chrome Steel connecting rod bearingChina Best Sales Bearing Rolamentos 6303-2RS High Precision Double Sealed Deep Groove Ball Bearing with Chrome Steel connecting rod bearing
editor by CX 2024-02-07