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. 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 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. 408-9883
Mfr. Part No.608ZZ
BrandNSK
£3.42
Each
Units
8mm 22mm Deep Groove 7mm Shielded - 1 1.37kN Steel - Steel - Plain 3.3kN
RS Stock No. 409-0546
Mfr. Part No.6206ZZ
BrandNSK
£7.98
Each
Units
30mm 62mm Deep Groove 16mm Shielded - 1 11.3kN Steel - Steel - Plain 19.5kN
RS Stock No. 408-9782
Mfr. Part No.626ZZ
BrandNSK
£3.41
Each
Units
6mm 19mm Deep Groove 6mm Shielded - 1 885N Steel - Steel - Plain 2.34kN
RS Stock No. 409-0401
Mfr. Part No.6202ZZ
BrandNSK
£4.21
Each
Units
15mm 35mm Deep Groove 11mm Shielded - 1 3.75kN Steel Steel Steel Steel Plain 7.65kN
RS Stock No. 409-0502
Mfr. Part No.6205ZZ
BrandNSK
£6.16
Each
Units
25mm 52mm Deep Groove 15mm Shielded - 1 7.85kN Steel - Steel - Plain 14kN
RS Stock No. 409-0877
Mfr. Part No.51104
BrandNSK
£8.95
Each
Units
20mm 35mm Thrust 10mm - - 1 26.6kN Steel - Steel - Plain 15.1kN
RS Stock No. 409-0013
Mfr. Part No.6000ZZ
BrandNSK
£3.67
Each
Units
10mm 26mm Deep Groove 8mm Shielded - 1 1.97kN Steel - Steel - Plain 4.55kN
RS Stock No. 409-0439
Mfr. Part No.6203ZZ
BrandNSK
£4.62
Each
Units
17mm 40mm Deep Groove 12mm Shielded - 1 4.8kN Steel - Steel - Plain 9.55kN
RS Stock No. 492-2099
Mfr. Part No.6800ZZ
BrandNSK
£8.74
Each
Units
10mm 19mm Deep Groove 5mm Shielded - 1 840N Steel - Steel - Plain 1.72kN
RS Stock No. 409-0833
Mfr. Part No.51100
BrandNSK
£9.31
Each
Units
10mm 24mm Thrust 9mm - - 1 14kN Steel - Steel - Plain 10.1kN
RS Stock No. 492-2207
Mfr. Part No.6306ZZ
BrandNSK
£10.57
Each
Units
30mm 72mm Deep Groove 19mm Shielded - 1 15kN Steel - Steel - Plain 26.7kN
RS Stock No. 409-0057
Mfr. Part No.6001ZZ
BrandNSK
£4.23
Each
Units
12mm 28mm Deep Groove 8mm Shielded - 1 2.37kN Steel - Steel - Plain 5.1kN
RS Stock No. 409-0372
Mfr. Part No.6201ZZ
BrandNSK
£3.97
Each
Units
12mm 32mm Deep Groove 10mm Shielded - 1 3.05kN Steel - Steel - Plain 6.8kN
RS Stock No. 409-0467
Mfr. Part No.6204ZZ
BrandNSK
£5.31
Each
Units
20mm 47mm Deep Groove 14mm Shielded - 1 6.6kN Steel - Steel - Plain 12.8kN
RS Stock No. 409-0085
Mfr. Part No.6002ZZ
BrandNSK
£4.36
Each
Units
15mm 32mm Deep Groove 9mm Shielded - 1 2.83kN Steel - Steel - Plain 5.6kN
RS Stock No. 409-0580
Mfr. Part No.6208ZZ
BrandNSK
£13.46
Each
Units
40mm 80mm Deep Groove 18mm Shielded - 1 17.9kN Steel - Steel - Plain 29.1kN
RS Stock No. 492-2049
Mfr. Part No.6309ZZ
BrandNSK
£25.46
Each
Units
45mm 100mm Deep Groove 25mm Shielded - 1 32kN Steel - Steel - Plain 53kN
RS Stock No. 408-9754
Mfr. Part No.625ZZ
BrandNSK
£2.53
Each
Units
5mm 16mm Deep Groove 5mm Shielded - 1 670N Steel - Steel - Plain 1.73kN
RS Stock No. 409-0681
Mfr. Part No.6303ZZ
BrandNSK
£5.94
Each
Units
17mm 47mm Deep Groove 14mm Shielded - 1 6.65kN Steel - Steel - Plain 13.6kN
RS Stock No. 408-9899
Mfr. Part No.608DD
BrandNSK
£3.93
Each
Units
8mm 22mm Deep Groove 7mm Sealed - 1 1.37kN Steel - Steel - Plain 3.3kN