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. 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. 286-7530
Mfr. Part No.608
BrandSKF
MYR24.55
Each
units
8mm 22mm Deep Groove 7mm Open - 1 1.37kN Steel - Steel - Plain 3.45kN
RS Stock No. 286-8022
Mfr. Part No.6205
BrandSKF
MYR42.36
Each
units
25mm 52mm Deep Groove 15mm Open - 1 7.8kN Steel - Steel - Plain 14.8kN
RS Stock No. 505-996
Mfr. Part No.6314/C3
BrandSKF
MYR784.90
Each
units
70mm 150mm Deep Groove 35mm Open - 1 68kN Steel - Steel - Plain 111kN
RS Stock No. 286-7978
Mfr. Part No.6203
BrandSKF
MYR32.42
Each
units
17mm 40mm Deep Groove 12mm Open - 1 4.75kN Steel - Steel - Plain 9.95kN
RS Stock No. 285-1147
Mfr. Part No.6308
BrandSKF
MYR138.79
Each
units
40mm 90mm Deep Groove 23mm Open - 1 24kN Steel - Steel - Plain 42.3kN
RS Stock No. 505-883
Mfr. Part No.6311/C3
BrandSKF
MYR337.25
Each
units
55mm 120mm Deep Groove 29mm Open - 1 45kN Steel - Steel - Plain 74.1kN
RS Stock No. 286-8230
Mfr. Part No.6304
BrandSKF
MYR48.15
Each
units
20mm 52mm Deep Groove 15mm Open - 1 7.8kN Steel - Steel - Plain 16.8kN
RS Stock No. 126-2352
Mfr. Part No.608/C3
BrandSKF
MYR20.20
Each
units
8mm 22mm Deep Groove 7mm Open - 1 1.37kN Steel Steel Steel Steel Plain 3.45kN
RS Stock No. 505-659
Mfr. Part No.6316/C3
BrandSKF
MYR1,128.88
Each
units
80mm 170mm Deep Groove 39mm Open - 1 86.5kN Steel - Steel - Plain 130kN
RS Stock No. 334-1528
Mfr. Part No.6001
BrandSKF
MYR27.82
Each
units
12mm 28mm Deep Groove 8mm Open - 1 2.36kN Steel - Steel - Plain 5.4kN
RS Stock No. 286-7956
Mfr. Part No.6202
BrandSKF
MYR29.08
Each
units
15mm 35mm Deep Groove 11mm Open - 1 3.75kN Steel - Steel - Plain 8.06kN
RS Stock No. 286-7928
Mfr. Part No.6201
BrandSKF
MYR27.57
Each
units
12mm 32mm Deep Groove 10mm Open - 1 3.1kN Steel - Steel - Plain 7.28kN
RS Stock No. 286-7990
Mfr. Part No.6204
BrandSKF
MYR37.40
Each
units
20mm 47mm Deep Groove 14mm Open - 1 6.55kN Steel - Steel - Plain 13.5kN
RS Stock No. 286-7681
Mfr. Part No.6006
BrandSKF
MYR46.51
Each
units
30mm 55mm Deep Groove 13mm Open - 1 8.3kN Steel - Steel - Plain 13.8kN
RS Stock No. 286-8151
Mfr. Part No.6301
BrandSKF
MYR34.44
Each
units
12mm 37mm Deep Groove 12mm Open - 1 4.15kN Steel - Steel - Plain 10.1kN
RS Stock No. 285-1080
Mfr. Part No.6306
BrandSKF
MYR75.22
Each
units
30mm 72mm Deep Groove 19mm Open - 1 16kN Steel - Steel - Plain 29.6kN
RS Stock No. 286-7568
Mfr. Part No.6000
BrandSKF
MYR20.20
Each
units
10mm 26mm Deep Groove 8mm Open - 1 1.96kN Steel - Steel - Plain 4.75kN
RS Stock No. 286-7811
Mfr. Part No.625
BrandSKF
MYR18.57
Each
units
5mm 16mm Deep Groove 5mm Open - 1 380N Steel - Steel - Plain 1.14kN