Ball Bearings

A ball bearing is a rolling bearing used within the power transmission industry. Ball bearings feature metal balls between an inner ring and outer ring. The rings feature raceways in which the balls sit. Ball bearings are designed to reduce rotational friction while supporting radial loads and axial 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.

With applications in everything from bicycle wheels to aerospace engineering, the ball bearing is a versatile rolling element bearing. They are ideal for high-speed applications with light to medium loads. For heavier loads, a Roller Bearing may be more suitable. Ball bearings are usually made from steel because of its durability. However, there are ceramic and plastic options available too. Single-row ball bearings are the most common, but double and triple rows are available too.

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. For further information about ball bearings and how to decipher the codes on them, see our ball bearings guide.


Types of Ball Bearings


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


  • Deep-groove ball bearings are for when a higher load capacity is required.
  • Angular Contact ball bearings are used for combination axial and radial loads.
  • Linear ball bearings provide rotation in a single direction.
  • Miniature ball bearings are ideal for compact applications.
  • Self-aligning ball bearings used with long shafts and can handle misalignment.
  • Thrust ball bearings are used for axial loads.
  • Ceramic bearings are resistant to corrosion and very little lubrication.
  • Shielded bearings feature a rubber shield to protect the bearing from contaminants.

Ball bearings are used in objects with moving parts and have many applications. These include quite specific uses such as in appliances, machinery, gearboxes and centrifugal pumps.


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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
MYR227.62
Each
units
50mm 78mm Thrust 22mm - - 1 116kN Steel Steel Pressed Steel - Plain 49kN
RS Stock No. 286-7546
Mfr. Part No.608-2Z
BrandSKF
MYR27.72
Each
units
8mm 22mm Deep Groove 7mm Shielded - 1 1.37kN Steel Steel Steel Steel Plain 3.45kN
RS Stock No. 505-647
Mfr. Part No.6319/C3
BrandSKF
MYR1,833.30
Each
units
95mm 200mm Deep Groove 45mm Open - 1 118kN Steel - Steel - Plain 159kN
RS Stock No. 286-8252
Mfr. Part No.6305
BrandSKF
MYR57.22
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
MYR35.02
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
MYR32.96
Each
units
15mm 35mm Deep Groove 11mm Shielded - 1 3.75kN Steel Steel Steel Steel Plain 8.06kN
RS Stock No. 505-984
Mfr. Part No.6314-2Z/C3
BrandSKF
MYR827.95
Each
units
70mm 150mm Deep Groove 35mm Shielded - 1 68kN Steel - Steel - Plain 111kN
RS Stock No. 286-7530
Mfr. Part No.608
BrandSKF
MYR24.63
Each
units
8mm 22mm Deep Groove 7mm Open - 1 1.37kN Steel - Steel - Plain 3.45kN
RS Stock No. 285-2213
Mfr. Part No.51204
BrandSKF
MYR107.19
Each
units
20mm 40mm Thrust 14mm - - 1 41kN Steel Steel Pressed Steel - Plain 23kN
RS Stock No. 286-8022
Mfr. Part No.6205
BrandSKF
MYR37.40
Each
units
25mm 52mm Deep Groove 15mm Open - 1 7.8kN Steel - Steel - Plain 14.8kN
RS Stock No. 667-1068
Mfr. Part No.6207-2Z/C3
BrandSKF
MYR87.59
Each
units
35mm 72mm Deep Groove 17mm Shielded - 1 15.3kN Steel - Steel - Plain 27kN
RS Stock No. 764-3578
Mfr. Part No.6314-2RS1
BrandSKF
MYR770.54
Each
units
70mm 150mm Deep Groove 35mm Sealed - 1 68kN Steel - Steel - Plain 111kN
RS Stock No. 893-0198
Mfr. Part No.W6001-2RS1
BrandSKF
MYR107.98
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. 505-996
Mfr. Part No.6314/C3
BrandSKF
MYR787.47
Each
units
70mm 150mm Deep Groove 35mm Open - 1 68kN Steel - Steel - Plain 111kN
RS Stock No. 667-1030
Mfr. Part No.608-2Z/C3
BrandSKF
MYR26.27
Each
units
8mm 22mm Deep Groove 7mm Shielded - 1 1.37kN Steel - Steel - Plain 3.45kN
RS Stock No. 286-7978
Mfr. Part No.6203
BrandSKF
MYR28.62
Each
units
17mm 40mm Deep Groove 12mm Open - 1 4.75kN Steel - Steel - Plain 9.95kN
RS Stock No. 441-9953
Mfr. Part No.608-2RSH
BrandSKF
MYR30.82
Each
units
8mm 22mm Deep Groove 7mm Sealed - 1 1.37kN Steel - Steel - Plain 3.45kN
RS Stock No. 667-1055
Mfr. Part No.6205-2Z/C3
BrandSKF
MYR41.86
Each
units
25mm 52mm Deep Groove 15mm Shielded - 1 7.8kN Steel - Steel - Plain 14.8kN
RS Stock No. 285-1147
Mfr. Part No.6308
BrandSKF
MYR139.24
Each
units
40mm 90mm Deep Groove 23mm Open - 1 24kN Steel - Steel - Plain 42.3kN
RS Stock No. 667-1049
Mfr. Part No.6202-2Z/C3
BrandSKF
MYR31.91
Each
units
15mm 35mm Deep Groove 11mm Shielded - 1 3.75kN Steel - Steel - Plain 8.06kN