Ball Bearings

A ball bearing is a rolling bearing used within the power transmission industry which features metal balls between a rotating or oscillating shaft and outer ring. With applications in everything from bicycle wheels to aerospace engineering, ball bearings are designed to reduce rotational friction while supporting radial loads. Incorporating a rolling element that guarantees a low coefficient of friction, ball bearings ensure smooth and uninterrupted rotation of, for example, an axle or motor shaft.


The only way for a ball bearing to operate efficiently or at high speeds is with the right lubrication which can work at high temperatures. The correct oil or grease lubricant has to be used with each bearing depending on its nominal lifespan and load.


Types of Ball Bearings


Ball bearings are available in open and sealed versions, depending on the environmental requirements. They are also available in a range of diameters, supplied in metric sizes. Types include:



  • Deep-groove ball bearings for when higher load capacity is required

  • Angular Contact ball bearings

  • Single-row ball bearings are the most common

  • Linear ball bearings

  • Miniature ball bearings

  • Radial deep groove ball bearing

  • Self-aligning ball bearings used with long shafts

  • Thrust ball bearings

  • Ceramic bearings resistant to corrosion and very little lubrication

  • Shielded bearings

  • Double row bearings have two rows

  • Caged bearings secure the balls


Ball bearings are used in objects with moving parts and have many applications. These include quite specific uses such as in computer fans, watches, gearboxes and children's toys.


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Description Price Inside Diameter Outside Diameter Ball Bearing Type Race Width End Type Flange Outside Diameter Number of Rows Static Load Rating Material Ball Material Cage Material Race Material Race Type Dynamic Load Rating
RS Stock No. 191-3845
Mfr. Part No.6207
BrandINA
MYR61.32
Each
units
35mm 72mm Deep Groove 17mm Open - 1 15400N - - Brass - Plain 28000N
RS Stock No. 174-0973
Mfr. Part No.30062RS
BrandINA
MYR305.97
Each
units
30mm 55mm Angular Contact 19mm Sealed - 2 15400N - - - - Plain 19900N
RS Stock No. 137-1571
Mfr. Part No.KH16PP
BrandINA
MYR108.48
Each
units
16mm 24mm Linear 30mm Sealed - 1 910N Steel - Plastic - Plain 1060N
RS Stock No. 137-1525
Mfr. Part No.RAE25-XL-NPP-FA106
BrandINA
MYR147.50
Each
units
25mm 52mm Radial 15mm Sealed - 1 7800N Steel - - - Plain 14900N
RS Stock No. 191-3860
Mfr. Part No.6306
BrandINA
MYR66.33
Each
units
30mm 72mm Deep Groove 19mm Open - 1 16200N - - Sheet Steel - Plain 30500N
RS Stock No. 137-1545
Mfr. Part No.30072RS
BrandINA
MYR438.24
Each
units
35mm 62mm Angular Contact 20mm Sealed - 2 19100N Steel - - - Plain 24000N
RS Stock No. 137-1533
Mfr. Part No.RALE25-XL-NPP
BrandINA
MYR140.29
Each
units
25mm 47mm Radial 12mm Sealed - 1 5900N Steel - - - Plain 10700N
RS Stock No. 191-3853
Mfr. Part No.624-2Z
BrandINA
MYR21.78
Each
units
4mm 13mm Deep Groove 5mm - - 1 485N - - Brass - Plain 1380N
RS Stock No. 191-4450
Mfr. Part No.RLBSR73-C-0100
BrandINA
MYR228.53
Each
units
17.5mm 28mm - 39.5mm - - - - - - - - - -
RS Stock No. 137-1810
Mfr. Part No.GRAE25-XL-NPP-B
BrandINA
MYR162.91
Each
units
25mm 52mm Radial 15mm Sealed - 1 7800N Steel - - - Plain 14900N
RS Stock No. 137-1570
Mfr. Part No.KH14PP
BrandINA
MYR101.39
Each
units
14mm 21mm Linear 28mm Sealed - 1 760N Steel - Plastic - Plain 830N
RS Stock No. 191-3862
Mfr. Part No.6308
BrandINA
MYR135.13
Each
units
40mm 90mm Deep Groove 23mm Open - 1 25000N - - Brass - Plain 45500N
RS Stock No. 137-1572
Mfr. Part No.KH20PP
BrandINA
MYR118.32
Each
units
20mm 28mm Linear 30mm Sealed - 1 1010N Steel - Plastic - Plain 1170N
RS Stock No. 137-1873
Mfr. Part No.GSH302RSRB
BrandINA
MYR326.10
Each
units
30mm 62mm Radial 18mm Sealed - 1 11600N Steel - - - Plain 20100N
RS Stock No. 137-1532
Mfr. Part No.RALE20-XL-NPP-FA106
BrandINA
MYR131.36
Each
units
20mm 42mm Radial 12mm Sealed - 1 5000N Steel - - - Plain 10000N
RS Stock No. 137-1531
Mfr. Part No.RAE40-XL-NPP-B
BrandINA
MYR294.09
Each
units
40mm 80mm Radial 21mm Sealed - 1 19800N Steel - - - Plain 34500N
RS Stock No. 137-1812
Mfr. Part No.GRAE35-XL-NPP-B
BrandINA
MYR210.95
Each
units
35mm 72mm Radial 19mm Sealed - 1 15300N Steel - - - Plain 27500N
RS Stock No. 191-3837
Mfr. Part No.S6204-2RSR-HLC
BrandINA
MYR233.87
Each
units
20mm 47mm Deep Groove 14mm Sealed - 1 5300N - - - - Plain 10900N
RS Stock No. 137-1537
Mfr. Part No.RCSMA30/65FA106
BrandINA
MYR240.06
Each
units
30mm 65.1mm Radial 25.4mm Sealed - 1 8300N Steel - - - Plain 14100N
RS Stock No. 191-3848
Mfr. Part No.6210-C3
BrandINA
MYR128.06
Each
units
50mm 90mm Deep Groove 20mm Open - 1 24200N - - Brass - Plain 39000N