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China Custom 6202 6203 6204 Motorcycle Deep Groove Ball Bearing for Construction Machinery CZPT CZPT CZPT CZPT CZPT C&U Bearing bearing and race

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Product Description

Product Description

Bearing No. Shape Dimension Basic load Rating
KN		 Max Speed
rpm		 Mass
Bore
d		 Outer Diameter
D		 Width
B		 Radius r min Dynamic Static Grease Oil
mm mm mm mm Cr Cor  Kg
6200 Series
623 3 10 4 0.15 0.5 0.2156 38000 48000 0.0015
624 4 13 5 0.2 1.15 0.4 36000 46000 0.0032
625 5 16 5 0.3 1.88 0.68 32000 40000 0.0048
626 6 19 6 0.3 2.8 1.05 28000 36000 0.0075
627 7 22 7 0.3 3.28 1.35 26000 34000 0.012
628 8 24 8 0.3 3.35 1.4 24000 32000 0.017
629 9 26 8 0.3 4.45 1.95 22000 30000 0.019
6200 10 30 9 0.6 5.1 2.38 19000 26000 0.571
6201 12 32 10 0.6 6.82 3.05 18000 24000 0.034
6202 15 35 11 0.6 7.65 3.72 17000 22000 0.043
6203 17 40 12 0.6 9.58 4.47 16000 20000 0.062
6204 20 47 14 1 9.88 6.2 14000 18000 0.102
6205 25 52 15 1 10.78 6.98 12000 16000 0.12
6206 30 62 16 1 14.97 10.04 9500 13000 0.19
6207 35 72 17 1.1 19.75 13.67 8500 11000 0.27
6208 40 80 18 1.1 22.71 15.94 8000 10000 0.37
6209 45 85 19 1.1 24.36 17.71 7000 9000 0.38
6210 50 90 20 1.1 26.98 19.84 6700 8500 0.45
6211 55 100 21 1.5 33.37 25.11 6000 7500 0.603
6212 60 110 22 1.5 36.74 27.97 5600 7000 0.789
6213 65 120 23 1.5 44.01 34.18 5000 6300 0.99
6214 70 125 24 1.5 46.79 37.59 4800 6000 1.084
6215 75 130 25 1.5 50.85 41.26 4500 5600 1.171
6216 80 140 26 2 55.04 45.09 4300 5300 1.448
6217 85 150 28 2 64.01 53.28 4000 5000 1.803
6218 90 160 30 2 73.83 60.76 3800 4800 2.17
6300 Series
634 4 16 5 0.3 1.447 0.745 32000 40000 0.0049
635 5 19 6 0.3 2.161 1.163 28000 36000 0.0073
6300 10 35 11 0.6 5.88 3.47 20000 26000 0.054
6301 12 37 12 1 7.48 4.65 17000 22000 0.058
6302 15 42 13 1 8.8 5.43 16000 20000 0.082
6303 17 47 14 1 10.45 6.56 15000 19000 0.11
6304 20 52 15 1.1 12.26 7.81 13000 17000 0.14
6305 25 62 17 1.1 17.22 11.39 10000 14000 0.22
6306 30 72 19 1.1 20.77 14.17 9000 12000 0.33
6307 35 80 21 1.5 25.66 17.92 8000 10000 0.41
6308 40 90 23 1.5 31.35 22.38 7000 9000 0.6
6309 45 100 25 1.5 40.66 30 6300 7500 0.77
6310 50 110 27 2 47.58 35.71 6000 7000 1.03
6311 55 120 29 2 55.05 41.91 5600 6700 1.367
6312 60 130 31 2.1 62.88 48.6 5000 6000 1.71
6313 65 140 33 2.1 72.21 56.68 4500 5300 2.1
6314 70 150 35 2.1 80.1 63.48 4300 5000 2.55
6315 75 160 37 2.1 87.25 71.67 4000 4800 3.05
6316 80 170 39 2.1 94.57 80.35 3800 4500 3.61
6317 85 180 41 3 102.05 89.52 3600 4300 4.284
6318 90 190 43 3 110.81 100.76 3400 4000 4.97
6400 Series
6403 17 62 17 1.1 17.45 11.9 14000 16000 0.27
6404 20 72 19 1.1 23.81 16.78 12000 14000 0.4
6404 25 80 21 1.5 29.42 21.33 10000 12000 0.53
6406 30 90 23 1.5 36.41 26.78 8800 10000 0.735
6407 35 100 25 1.5 43.76 32.55 7800 9100 0.952
6408 40 110 27 2 50.39 37.97 7000 8200 1.23
6409 45 120 29 2 59.52 45.55 6300 7400 1.53
6410 50 130 31 2.1 70.99 55.55 5700 6700 1.88
88500 Series
88505 25 52 16.8 1.5 10.78 6.98 12000 16000 0.175
88506 30 62 24 1.5 14.97 10.04 9500 13000 0.26
88507 35 72 25 2 19.75 13.67 8500 11000 0.35
88508A 40 72 22 2 13.1 9.4 8500 11000 0.35
88508 40 80 27 2 22.71 15.94 8000 10000 0.45
88509 45 85 27 2 24.36 17.71 7000 9000 0.54
62200 Series
62200 10 30 14 0.6 5.1 2.38 16000 20000 0.045
62201 12 32 14 0.6 6.82 3.05 15000 19000 0.05
62202 15 35 14 0.6 7.65 3.72 14000 18000 0.057
62203 17 40 16 0.6 9.58 4.47 13000 17000 0.083
62204 20 47 18 1 9.88 6.2 12000 16000 0.133
62205 25 52 18 1 10.78 6.98 11000 14000 0.15
62206 30 62 20 1 14.97 10.04 9000 12000 0.247
62207 35 72 23 1.1 19.75 13.67 8500 11000 0.313
62208 40 80 23 1.1 22.71 15.94 8000 1000 0.467
62209 45 85 23 1.1 24.36 17.71 7000 9000 0.48
62210 50 90 23 1.1 26.98 19.84 6500 8200 0.53
62300 Series
62300 10 35 17 0.6 5.88 3.47 17000 22000 0.065
62301 12 37 17 1 7.48 4.65 16500 21000 0.083
62302 15 42 17 1 8.8 5.43 16000 20000 0.108
62303 17 47 19 1 10.45 6.56 15000 19000 0.15
62304 20 52 21 1.1 12.26 7.81 13000 17000 0.201
62305 25 62 24 1.1 17.22 11.39 10000 13000 0.316
62306 30 72 27 1.1 20.77 14.17 9000 12000 0.5
62307 35 80 31 1.5 25.66 17.92 8000 10000 0.65
62308 40 90 33 1.5 31.35 22.38 7000 9000 0.87
62309 45 100 36 1.5 40.66 30 6300 7500 1.07
62310 50 110 40 2 47.58 35.71 6000 7000 1.41

Detailed Photos

Ball Bearings

1.0 Introduction

Ball bearings are used widely in instruments and machines in order to minimize friction and power loss. While the concept of the ball bearing dates back at least Leonardo da Vinci, their design and manufacture has become remarkably sophisticated. In the following we shall review their basic characteristics.
 

2.0 Types of Ball Bearings
Commercially available ball bearings, which are usually made from hardened steel, involve many forms of construction. These have been summarized by A.O. DeHart (“Which Bearings and Why”, ASME Paper 59-MD-12, 1959), from which source the following material (including Figures 1 & 2) is hereby reprinted*

“A typical deep-groove ball bearing designed for high-speed operation is shown in Figure 1. In this bearing, the separator serves to keep the balls from rubbing against 1 another as is piloted on the inner race OD. Alternatively, the separator may be piloted by the rolling elements or by the outer race ID. Where rotative speeds are low, the separator often is omitted. The rolling elements may take many forms – cylinders, balls, tapered rollers, barrels, or very slim rollers known as needles – and the whole bearing name is generally taken from this form.
 

Packaging & Shipping

FAQ

SAMPLES

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

CUSTOMIZED
The customized LOGO or drawing is acceptable for us.

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

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

SUPORT
Please visit our bearings website, we strongly encourge that you can communicate with us through email,thanks!

We have all kinds of bearings, just tell me your item number and quantity,best price will be offered to you soon
The material of the bearings, precision rating, seals type,OEM service,etc, all of them we can make according to your requirement.

 

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Bearing Direction: Radial
Lubricating Film Thickness: Thin Film Lubrication
Presicion: P0, P6, P5, P4, P2
Bore Size: 3 – 2390 mm
Bushing Material: Self-Lubrication
Lubricating Way: Maintenance-Free Bearing
Samples:
US$ 1/Piece
1 Piece(Min.Order)

|
Request Sample

ball bearing

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

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

  • Automotive Industry:

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

  • Aerospace Industry:

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

  • Industrial Machinery:

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

  • Medical Equipment:

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

  • Robotics and Automation:

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

  • Renewable Energy:

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

  • Marine and Shipbuilding:

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

  • Heavy Equipment and Construction:

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

  • Electronics and Consumer Appliances:

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

  • Oil and Gas Industry:

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

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

ball bearing

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

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 Custom 6202 6203 6204 Motorcycle Deep Groove Ball Bearing for Construction Machinery CZPT CZPT CZPT CZPT CZPT C&U Bearing bearing and raceChina Custom 6202 6203 6204 Motorcycle Deep Groove Ball Bearing for Construction Machinery CZPT CZPT CZPT CZPT CZPT C&U Bearing bearing and race
editor by CX 2024-04-16

China factory Wj789 C&U Super Quality and Competitive Price Deep Groove Ball Bearing 6000 Series From China Company carrier bearing

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Product Description

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

Deep groove ball bearing 5 88506 88507 88508A 88508 88509 622 62303 62304 62305 62306 62307 62308 62309 62310
Taper roller bearings 35712 35713 35714 35715 35716 35717 35718 35719 35710 35711 35712 35713 35714 35715 35716 35717 35718 35719 35710 35711 35712 35714 35716 35718 35710 35712 35714 35716 35710 35714 30302 30303 30304 30305 30306 30307 30308 3 3 0571 3 0571 3 0 30321 30322 30324 30326 30328 30330 30332 30334 32204 32205 32206 32207 32208 32209 32210 32211 32212 32213 32214 32215 32216 32217 32218 32219 32220 32221 32222 32224 32226 32228 32230 32232 32236 32238 32240 32244 32248 32303 32304 32305 32306 32307 32308 32309 32310 32311 32312 32313 32314 32315 32316 32317 32318 32319 32320 32321 32322 32324 32326 32330 32334 31303 31304 31305 31306 31307 31308 31309 31310 31311 31312 31313 31314 31315 31316 31317 31318 31319 31320 31324 31326 31328 31332 32 325714 320726 325718 53856k 53860
Self-aligning ball bearings
spherical plain bearing GE4E GE5E GE6E GE8E GE10E GE12E GE15ES GE17ES GE20ES GE25ES GE30ES GE35ES GE40ES GE45ES GE50ES GE60ES GE70ES GE80ES GE90ES GE1 110145 120155 130170 140180 150190 165710
Thrust ball bearing 511 234415 234416 234417 234418 234419 234420 234421 234422 234424 234426 234428 234430 234432 234438 234440 234714 234715 234716 234717 234718 234719 234720 234721 234722 234722 347262 347282 347302 347322 347382 34740
Cylindrical Roller Bearings NU313EMA NU2313EMA NU2314EMA NU415EMA NU216EMA NU2216EMA NJ2216EMA NUP2216EMA NU316EMA NU2316EMA NU217EMA NU2217EMA NU317EMA NU2317EMA NJ2317EMA NU218EMA NJ218EMA NU2218EMA NJ2218EMA NUP2218EMA NU318EMA NJ318EMA NU2318EMA NJ2318EMA NU219EMA NJ219EMA NU2219EMA NJ2219EMA NU319EMA NJ319EMA NU2319EMA NJ2319EMA NU220EMA NJ220EMA NU2220EMA NJ2220EMA NU320EMA NJ320EMA NU2320EMA NJ2320EMA NU222EMA NJ222EMA NU2222EMA NJ2222EMA NU322EMA NJ322EMA NU2322EMA NJ2322EMA NU1571MA NU224EMA NJ224EMA NU2224EMA NJ2224EMA NU324EMA NJ324EMA NU2324EMA NJ2324EMA NU1026MA NU226EMA NJ226EMA NU2226EMA NJ2226EMA NU326EMA NJ326EMA NU2326EMA NJ2326EMA NU1571MA NU228EMA NJ228EMA NU2228EMA NJ2228EMA NU328EMA NJ328EMA NU2328EMA NJ2328EMA NU1030MA NU230EMA NJ230EMA NUP230EMA NU2230EMA NJ2230EMA N2230EMB NU330EMA NJ330EMA NU2330EMA NJ2330EMA NU1032MA NU232EMA NJ232EMA NUP232EMA NU2232EMA NJ2232EMA NU332EMA NJ332EMA NU2332EMA NJ2332EMA NU1034MA NU3034EMA NU234EMA NJ234EMA NU2234EMA NJ2234EMA NU334EMA NJ334EMA NU2334EMA NJ2334EMA NU1036MA NU236EMA NJ236EMA NU2236EMA NJ2236EMA NU336EMA NJ336EMA NU2336EM NJ2336EMA NU1038MA NU238EMA NJ238EMA NU2238EMA NJ2238EMA NU338EMA NJ338EMA NU2338EMA NJ2338EMA NU1040MA NU240EMA NJ240EMA NU2240EMA NJ2240EMA NU340EMA NJ340EMA NU2340EMA NJ2340EMA NU1044MA NJ1044MA NU3044EMA NU244EMA NJ244EMA NU2244EMA NJ2244EMA NU344EMA NJ344EMA NU2344EMA NJ2344EMA N2344EMB NU1048MA NU248EMA NJ248EMA NU348EMA NJ348EMA NU2348EMA NJ2348EMA NU1052MA NU3052MA NU252MA NUP252MA NU2252MA NU2352EMA NU1056MA NU1060MA NU1964MA NF2964EMB NU1064MA NU2264MA NF2968EMB NU1068MA NU3068EMA NU3168EMA NU2372EMA NU1072MA NU1076MA NJ2980EMA NU1080MA NU2080EMA NF2984EMB NU1088MA NU2088EMA NU3188EMA NJ2892EMA NF2992EMB NU3192EMA NU1096EMA NJ1096EMA NU31/500EMA NU18/560MA NU30/600EMA NU20/630EMA NU20/670EMA NU20/670EMA NU30/670EMA NJ28/710EMA NJ29/710MA NU20/750EMA NU20/800EMA NU20/850EMA NU39/900EMA NU20/900EMA NJ18/1120EMA105RU32 105RN32 105RJ32 105RF32 105RT32 170RU51 170RN51 170RJ51 170RF51 170RT51 170RU91 170RN91 170RJ91 170RF91 170RT91 170RU93 170RN93 170RJ93 170RF93 170RT93 180RU51 180RN51 180RJ51 180RF51 180RT51 180RU91 180RN91 180RJ91 180RF91 180RT91 190RU91 190RN91 190RJ91 190RF91 190RT91 190RU92 190RN92 190RJ92 190RF92 190RT92 200RU91 200RN91 200RJ91 200RF91 200RT91 200RU92 200RN92 200RJ92 200RF92 200RT92 210RU92 210RN92 210RJ92 210RF92 210RT92 220RU51 220RN51 220RJ51 220RF51 220RT51 220RU91 220RN91 220RJ91 220RF91 220RT91 220RU92 220RN92 220RJ92 220RF92 220RT92 240RU91 240RN91 240RJ91 240RF91 240RT91 250RU91 250RN91 250RJ91 250RF91 250RT91NCF2922V NCF2924V NCF2926V NCF2928V NCF2930V NCF2932V NCF2934V NCF2936V NCF2938V NCF1840V NCF2940V NCF1844V NCF2944V NCF1852V NCF2952V NCF2960V NCF1864V NCF2964V NCF1868V NCF1876V NCF2976V NCF1880V NCF1884V NCF1888V NCF1892V NCF2992V NCF2996V NCF18/500V NCF29/500V NCF18/530V NCF18/560V NCF18/600V NCF18/630V NCF18/670V NCF18/710V NCF18/750V NCF18/800VNNU4930MAW33 NNU4932MAW33 NNU4934MAW33 NNU4936MAW33 NNU4938MAW33 NNU4940MAW33 NNU4140MAW33 NNU4944MAW33 NNU4144MAW33 NNU4948MAW33 NNU4148MAW33 NNU4952MAW33 NNU4152MAW33 NNU4956MAW33 NNU4156MAW33 NNU4960MAW33 NNU4160MAW33 NNU4964MAW33 NNU4164MAW33 NNU4968MAW33 NNU4068MAW33 NNU4168MAW33 NNU4972MAW33 NNU4072MAW33 NNU4172MAW33 NNU4976MAW33 NNU4076MAW33 NNU4176MAW33 NNU4980MAW33 NNU4080MAW33 NNU4180MAW33 NNU4984MAW33 NNU4084MAW33 NNU4184MAW33 NNU4988MAW33 NNU4088MAW33 NNU4188MAW33 NNU4992MAW33 NNU4092MAW33 NNU4192MAW33 NNU4996MAW33 NNU4096MAW33 NNU4196MAW33 NNU49/500MAW33 NNU40/500MAW33 NNU49/530MAW33 NNU40/530MAW33 NNU49/560MAW33 NNU49/600MAW33 NNU49/630MAW33 NNU49/670MAW33 NNU40/670MAW33 NNU49/710MAW33 NNU49/750MAW33 NNU49/800MAW33 NNU49/850MAW33 NNU49/900MAW33
 

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.

Type: Auto Clutch Bearing
Material: Chrome Steel
Tolerance: P5
Customization:
Available

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Customized Request

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Estimated freight per unit.





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Payment Method:







 

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

ball bearing

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

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

  • Reduction of Internal Clearance:

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

  • Increased Stiffness:

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

  • Minimized Axial Play:

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

  • Enhanced Rigidity:

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

  • Reduction in Ball Slippage:

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

  • Improved Running Accuracy:

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

  • Optimized Performance at High Speeds:

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

  • Impact on Friction and Heat Generation:

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

  • Application-Specific Considerations:

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

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

ball bearing

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

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

  • Size:

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

  • Load Capacity:

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

  • Precision:

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

  • Speed:

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

  • Friction and Efficiency:

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

  • Applications:

Miniature ball bearings find applications in various industries and sectors:

  • Electronics and Consumer Devices:

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

  • Medical and Dental Equipment:

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

  • Robotics and Automation:

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

  • Aerospace and Defense:

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

  • Optics and Instrumentation:

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

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

ball bearing

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

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

  • Load Type and Magnitude:

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

  • Speed and Operating Conditions:

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

  • Accuracy and Precision:

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

  • Space Limitations:

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

  • Thrust and Radial Loads:

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

  • Alignment and Misalignment:

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

  • Mounting and Installation:

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

  • Lubrication and Maintenance:

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

  • Environmental Conditions:

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

  • Bearing Material:

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

  • Bearing Arrangement:

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

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

China factory Wj789 C&U Super Quality and Competitive Price Deep Groove Ball Bearing 6000 Series From China Company carrier bearingChina factory Wj789 C&U Super Quality and Competitive Price Deep Groove Ball Bearing 6000 Series From China Company carrier bearing
editor by CX 2023-11-18

China C&U brand high quality metric miniature ball bearing 624rs 624 2rs 624z 624zz 624 small bearing bearing assembly

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Kind: BALL
Structure: Deep Groove
Applicable Industries: Equipment Restore Retailers, Retail, Printing Retailers
Bore Dimensions: 4 – 6 mm
Model Quantity: 624ZZ .624 2RS.624RZ.624Z.624
Precision Ranking: PO P6 P4 P5
Seals Type: Open up, Z, ZZ, RZ,2RZ,RS, 2RS
Amount of Row: Single row
Manufacturer: neutral manufacturer.imported brand or be customized to the customer’s brand name
Weight: .003kg
Sound Stage: EMQ V1 Z2, EMQ V2 Z3, EMQ V3 Z4, EMQ V4 5)
Materials: Gcr15.carbon metal.stainless steel
Top quality: high top quality and prolonged daily life cycle
Attribute: minimal sounds,higher velocity,extended life .resilient
Availability: have stock all the time
MOQ: as for every the necessity of buyers
Delivery time: prompt and speedily
Enterprise scope: Europe, The usa, Africa, Center East, Asia. And many others

Our Solutions We are professional organization which can source all varieties of bearings.
Bearings varieties: Deep Groove Ball Bearings , CZPT IP65 8inch 48V twenty-60N.m 800W 8.5-25A solitary shaft dual wheel hub servo motor 1571-wire encoder for RGV robot Cylindrical Roller Bearings, Self-aligning ball bearings, Tapered Roller Bearings, Thrust Roller Bearings, Spherical Bearings, Needle Roller Bearings, Linear Bearings, Miniature Bearings, Automotive Bearings….

Pulleys:can be tailored to the customer’s technic drawings.

In depth Photographs C&U brand name large high quality metric miniature ball bearing 624rs 624 2rs 624z 624zz 624 tiny bearing

Items title C&U brand name higher quality metric miniature ball bearing 624rs 624 2rs 624z 624zz 624 modest bearing
Model name neutral brand.imported manufacturer or be customized to the customer’s brand name
Sequence 624ZZ .624 2RS.624 RZ.624Z.624 RS
ID size 4mm-13mm-5mm
materials Stainless metal.Gcr15.carbon steel
Precision PO P6 P5 P4
Sealing Open, Z, ZZ, RZ,2RZ,RS, 2RS
Top quality regular ISO9001:2000 regular
Service OEM & ODM provider
Delivery day Typically completely ready items and stock inside of 5-twenty times
Payment phrases A:one hundred% TT
B: 30% T/T in progress .70% in opposition to duplicate of B/L
C: 30% T/T in advance .70% L/C
D:Western union
E:Paypal
Software Automobile, 6W~250W single period 110V220V basic speed controller for AC gear motor tractor ,equipment instrument, electrical device, water pump, agricultural machinery and textile machinery
Package Industrial package or according to buyers’ requirement
Particulars Deep groove ball bearings are basic, effortless to use, is the biggest manufacturing quantity, most commonly employed of a class of bearings. It is largely utilized for a bear radial load, but also bear specific axial load. When the bearing radial clearance improved when the operate with angular speak to bearings can bear massive axial load.
Specific qualities
 one. Large accuracy
2. Reduced sound
3. Reduced weight
four. Can be custom-made in accordance to your wants
five. Can give modest & miniature common and non-regular ball bearings.

Application
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  • Your inquiry associated to our solution & price will be replied inside 24hours
  • Effectively-skilled & knowledgeable employees are to solution all your inquiries in English of training course.
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    • *Massive shares and samples are accessible for you.If you are interested in our merchandise ,welcome to speak to us! 180W 3000rpm Integrated servo motor with driver V6 variation micro mini servo motor

    Types of Ball Bearings

    In their most basic form, Ball Bearings have one common feature – they are made of steel. The majority of these bearings are made of 52100 steel, which has one percent chromium and one percent carbon. The steel can be hardened by heat trea
    tment. 440C stainless steel is used for rusting problems. A cage around the ball balls is traditionally made from thin steel. However, some bearings use molded plastic cages to save money and friction.
    bearing

    Single-row designs

    Steel linear translation stages often use single-row designs for ball bearings. These types of bearings provide smooth linear travel and can withstand high loads. The material steel has a high modulus of elasticity and a high stiffness, as well as a lower thermal expansion than aluminum. For these reasons, steel is the material of choice for a ball bearing in a typical user environment. Single-row designs for ball bearings are also suitable for applications in humid or corrosive environments.
    Single-row designs for ball bearings are available in a variety of sizes and are axially adjustable. They have a high radial capacity, but require relatively little space. Single-row deep groove ball bearings with snap rings are STN 02 4605 or R47, respectively. Bearings with snap rings are identified by a suffix such as NR. They may not have seals or shields installed.
    These single-row angular contact ball bearings are capable of supporting axial and radial loads. In a two-raceway arrangement, the radial load on bearing A causes a radial load to act on bearing B. Both axial and radial forces are transmitted between single-row angular contact ball bearings, and the resulting internal force must be taken into account to calculate equivalent dynamic bearing loads P.
    Single-row deep groove ball bearings are the most common type of ball bearings. These bearings are designed with only one row of rolling elements. The single-row design is simple and durable, which makes it ideal for high-speed applications. Single-row designs for ball bearings are also available in various bore sizes. They can also come in a variety of shapes and are non-separable. If you need a high-speed bearing, you may want to opt for a double-row design.
    In addition to single-row designs for ball bearings, you can choose ceramic or steel ball bearings. Ceramic balls are considerably harder than steel balls, but they are not as hard as steel. Hence, ceramic bearings are stiffer than steel ball bearings, resulting in increased stress on the outer race groove and lower load capacity. This is a great benefit for those who need the bearings to be lightweight and strong.
    The difference between single-row and double-row designs is in the way that the inner and outer ring are installed. A single-row design places the inner ring in an eccentric position relative to the outer ring. The two rings are in contact at one point, which causes a large gap in the bearing. The balls are then inserted through the gap. As a result, the balls are evenly distributed throughout the bearing, which forces the inner and outer rings to become concentric.
    Deep-groove ball bearings are one of the most popular types of ball bearings. They are available in different designs, including snap-ring, seal and shield arrangements. The race diameter of a deep-groove ball bearing is close to the ball’s diameter. These types of bearings are suited for heavy loads, and their axial and radial support are excellent. Their main drawback is that the contact angle cannot be adjusted to accommodate a wide range of relative loads.
    bearing

    Ceramic hybrid ball bearings

    Hybrid ball bearings with ceramic balls have numerous advantages. They feature improved kinematic behavior and require less lubrication. Consequently, they can reduce operating costs. Additionally, their low thermal expansion coefficient allows for smaller changes in contact angle and preload variations, and they can retain tolerances. Furthermore, ceramic hybrid ball bearings have significantly increased life spans compared to conventional steel-steel ball bearings, with up to 10 times the lifespan.
    Although ceramic bearings can be used in automotive applications, many people believe that they’re a poor choice for bicycle hubs. They don’t reduce weight and only work well in high-rpm environments. As a result, many cyclists don’t even bother with ceramic-based bearings. However, both Paul Lew and Alan are of the opinion that ceramic bearings are best suited for industrial or medical equipment applications. Furthermore, Paul and Alan believe that they are ideal for high-altitude drone motors.
    Another advantage of ceramic hybrid ball bearings is that they use less friction than conventional steel-based balls. They are also more durable, requiring less lubrication than steel-based bearings. Furthermore, the lower friction and rolling resistance associated with ceramic-based ball bearings means that they can last ten times longer than steel-based bearings. A ceramic-based hybrid ball bearing can be used for applications where speed and lubrication are critical.
    Ceramic hybrid ball bearings feature both steel and silicon nitride balls. Silicon nitride balls have 50% more modulus of elasticity than steel balls and can improve accuracy and precision. Ceramic balls also have a smoother surface finish than steel balls, which reduces vibration and spindle deflection. These benefits result in increased speed and improved production quality. In addition to this, ceramic balls can also reduce the operating temperature, enhancing the work environment.
    Hybrid bearings are a popular alternative to steel bearings. They have some benefits over traditional steel bearings, and are becoming a popular choice for engineered applications. Hybrid bearings are ideal for high speed machines. The material used to manufacture ceramic balls is a high-quality alloy, and is comparatively inexpensive. But you must understand that lubrication is still necessary for hybrid bearings. If you are not careful, you may end up wasting money.
    These ball bearings can be used in many industries and applications, and they are widely compatible with most metals. The main advantage of hybrid ball bearings is that they are very durable. While steel balls tend to corrode and wear out, ceramic ball bearings can withstand these conditions while minimizing maintenance and replacement costs. The benefits of hybrid ball bearings are clear. So, consider switching to these newer types of ball bearings.
    bearing

    Self-aligning ball bearings

    Self-aligning ball bearings are a good choice for many applications. They are a great alternative to traditional ball bearings, and they are ideal for rotating applications in which the shaft must move in several directions. They are also ideal for use in rotating parts where a tight tolerance is necessary. You can choose between two types: plain and flex shaft. Read on to find out which one will suit your needs.
    Self-aligning ball bearings are designed with a higher axial load carrying capacity than single-row radial deep groove ball bearings. The amount of axial load carrying capacity is dependent upon the pressure angle. These bearings have a hollow raceway in the outer ring that allows the inner ring to pivot without friction. They are often used for high-speed applications. Because of their design, they are highly accurate.
    Self-aligning ball bearings are radial bearings that feature two rows of balls in a spherical outer ring. They also feature two deep uninterrupted raceway grooves in the inner ring. Their unique features make them an excellent choice for applications where shaft deflection is a significant factor. Despite their small size, they have a high level of precision and can withstand heavy loads.
    Self-aligning ball bearings can compensate for misalignment in shaft applications. The inner ring and ball assembly are positioned inside an outer ring containing a curved raceway. This spherical design allows the balls and cage to deflect and re-align around the bearing center. These bearings are also ideal for applications where shaft deflection is significant, such as in simple woodworking machinery.
    Another type of self-aligning ball bearing uses a common concave outer race. Both balls and outer races automatically compensate for angular misalignment caused by machining, assembly, and deflections. Compared to spherical rollers, they have lower frictional losses than their spherical counterparts. Self-alignment ball bearings also have lower vibration levels compared to other types of bearings.
    Self-aligning ball bearings operate in misaligned applications because their spherical outer raceway can accommodate misalignment. This design allows them to work in applications where shaft deflection or housing deformation is common. They are therefore more suitable for low to medium-sized loads. The only real drawback to self-aligning ball bearings is their price. If you need to purchase a self-aligning ball bearing for your next project, you can expect to pay around $1500.

    China C&U brand high quality metric miniature ball bearing 624rs 624 2rs 624z 624zz 624 small bearing bearing assemblyChina C&U brand high quality metric miniature ball bearing 624rs 624 2rs 624z 624zz 624 small bearing bearing assembly
    editor by czh 2023-02-17