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. 285-2285
Mfr. Part No.51210
BrandSKF
MYR166.97
Each
units
50mm 78mm Thrust 22mm - - 1 116kN Steel Steel Pressed Steel - Plain 49kN
RS Stock No. 505-647
Mfr. Part No.6319/C3
BrandSKF
MYR1,135.31
Each
units
95mm 200mm Deep Groove 45mm Open - 1 118kN Steel - Steel - Plain 159kN
RS Stock No. 286-7546
Mfr. Part No.608-2Z
BrandSKF
MYR23.14
Each
units
8mm 22mm Deep Groove 7mm Shielded - 1 1.37kN Steel Steel Steel Steel Plain 3.45kN
RS Stock No. 286-8252
Mfr. Part No.6305
BrandSKF
MYR40.02
Each
units
25mm 62mm Deep Groove 17mm Open - 1 11.6kN Steel - Steel - Plain 23.4kN
RS Stock No. 667-1043
Mfr. Part No.6203-2Z/C3
BrandSKF
MYR25.37
Each
units
17mm 40mm Deep Groove 12mm Shielded - 1 4.75kN Steel - Steel - Plain 9.95kN
RS Stock No. 286-7962
Mfr. Part No.6202-2Z
BrandSKF
MYR27.07
Each
units
15mm 35mm Deep Groove 11mm Shielded - 1 3.75kN Steel Steel Steel Steel Plain 8.06kN
RS Stock No. 667-1068
Mfr. Part No.6207-2Z/C3
BrandSKF
MYR61.20
Each
units
35mm 72mm Deep Groove 17mm Shielded - 1 15.3kN Steel - Steel - Plain 27kN
RS Stock No. 505-984
Mfr. Part No.6314-2Z/C3
BrandSKF
MYR633.77
Each
units
70mm 150mm Deep Groove 35mm Shielded - 1 68kN Steel - Steel - Plain 111kN
RS Stock No. 285-2213
Mfr. Part No.51204
BrandSKF
MYR83.29
Each
units
20mm 40mm Thrust 14mm - - 1 41kN Steel Steel Pressed Steel - Plain 23kN
RS Stock No. 286-8022
Mfr. Part No.6205
BrandSKF
MYR29.73
Each
units
25mm 52mm Deep Groove 15mm Open - 1 7.8kN Steel - Steel - Plain 14.8kN
RS Stock No. 286-7530
Mfr. Part No.608
BrandSKF
MYR20.66
Each
units
8mm 22mm Deep Groove 7mm Open - 1 1.37kN Steel - Steel - Plain 3.45kN
RS Stock No. 764-3578
Mfr. Part No.6314-2RS1
BrandSKF
MYR615.80
Each
units
70mm 150mm Deep Groove 35mm Sealed - 1 68kN Steel - Steel - Plain 111kN
RS Stock No. 505-996
Mfr. Part No.6314/C3
BrandSKF
MYR483.19
Each
units
70mm 150mm Deep Groove 35mm Open - 1 68kN Steel - Steel - Plain 111kN
RS Stock No. 893-0198
Mfr. Part No.W6001-2RS1
BrandSKF
MYR73.92
Each
units
12mm 28mm Deep Groove 8mm Sealed - 1 2.36kN Stainless Steel Stainless Steel Stainless Steel Stainless Steel Plain 4.42kN
RS Stock No. 667-1030
Mfr. Part No.608-2Z/C3
BrandSKF
MYR18.94
Each
units
8mm 22mm Deep Groove 7mm Shielded - 1 1.37kN Steel - Steel - Plain 3.45kN
RS Stock No. 441-9953
Mfr. Part No.608-2RSH
BrandSKF
MYR25.42
Each
units
8mm 22mm Deep Groove 7mm Sealed - 1 1.37kN Steel - Steel - Plain 3.45kN
RS Stock No. 285-1147
Mfr. Part No.6308
BrandSKF
MYR91.82
Each
units
40mm 90mm Deep Groove 23mm Open - 1 24kN Steel - Steel - Plain 42.3kN
RS Stock No. 667-1055
Mfr. Part No.6205-2Z/C3
BrandSKF
MYR31.91
Each
units
25mm 52mm Deep Groove 15mm Shielded - 1 7.8kN Steel - Steel - Plain 14.8kN
RS Stock No. 286-7978
Mfr. Part No.6203
BrandSKF
MYR21.57
Each
units
17mm 40mm Deep Groove 12mm Open - 1 4.75kN Steel - Steel - Plain 9.95kN
RS Stock No. 286-8230
Mfr. Part No.6304
BrandSKF
MYR33.88
Each
units
20mm 52mm Deep Groove 15mm Open - 1 7.8kN Steel - Steel - Plain 16.8kN