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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Viewing 1 - 17 of 17 products
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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. 746-330
Mfr. Part No.KLNJ1/2-2ZRY
BrandNSK-RHP
£13.29
Each
Units
12.7mm 28.57mm Deep Groove 7.93mm Shielded - 1 2.01kN Steel - - - Plain 4.18kN
RS Stock No. 206-8351
Mfr. Part No.KLNJ1/2
BrandNSK-RHP
£8.65
Each
Units
12.7mm 28.57mm Deep Groove 6.35mm Open - 1 2.01kN Steel - - - Plain 4.18kN
RS Stock No. 206-8339
Mfr. Part No.KLNJ1/4
BrandNSK-RHP
£8.74
Each
Units
6.35mm 19.04mm Deep Groove 5.55mm Open - 1 1.03kN Steel - - - Plain 2.53kN
RS Stock No. 746-324
Mfr. Part No.KLNJ3/8-2ZRY
BrandNSK-RHP
£12.80
Each
Units
9.52mm 22.22mm Deep Groove 7.14mm Shielded - 1 1.41kN Steel - - - Plain 3.46kN
RS Stock No. 746-352
Mfr. Part No.KLNJ3/4-2ZJ
BrandNSK-RHP
£26.90
Each
Units
19.05mm 41.27mm Deep Groove 11.11mm Shielded - 1 4.4kN Steel - - - Plain 8.2kN
RS Stock No. 746-419
Mfr. Part No.LJ7/8-2ZJ
BrandNSK-RHP
£18.83
Each
Units
22.22mm 50.8mm Deep Groove 14.28mm Shielded - 1 7kN Steel - - - Plain 14.4kN
RS Stock No. 206-8395
Mfr. Part No.LJ1/2
BrandNSK-RHP
£8.84
Each
Units
12.7mm 33.33mm Deep Groove 9.52mm Shielded - 1 3.22kN Steel - - - Plain 9.95kN
RS Stock No. 746-396
Mfr. Part No.LJ5/8-2ZJ
BrandNSK-RHP
£15.01
Each
Units
15.87mm 39.68mm Deep Groove 11.11mm Shielded - 1 5kN Steel - - - Plain 10.9kN
RS Stock No. 746-425
Mfr. Part No.LJ1-2ZJ
BrandNSK-RHP
£20.95
Each
Units
25.4mm 57.15mm Deep Groove 15.87mm Shielded - 1 9.7kN Steel - - - Plain 18.6kN
RS Stock No. 746-403
Mfr. Part No.LJ3/4-2ZJ
BrandNSK-RHP
£16.63
Each
Units
19.05mm 47.62mm Deep Groove 14.28mm Shielded - 1 6.7kN Steel - - - Plain 14.2kN
RS Stock No. 746-380
Mfr. Part No.LJ1/2-2ZRY
BrandNSK-RHP
£11.12
Each
Units
12.7mm 33.33mm Deep Groove 9.52mm Shielded - 1 3.22kN Steel - - - Plain 6.95kN
RS Stock No. 746-346
Mfr. Part No.KLNJ5/8-2ZRY
BrandNSK-RHP
£16.62
Each
Units
15.87mm 34.92mm Deep Groove 8.73mm Shielded - 1 3.37kN Steel - - - Plain 5.8kN
RS Stock No. 206-8345
Mfr. Part No.KLNJ3/8
BrandNSK-RHP
£8.65
Each
Units
9.52mm 22.22mm Deep Groove 5.55mm Open - 1 1.41kN Steel - - - Plain 3.46kN
RS Stock No. 207-7771
Mfr. Part No.KLNJ1
BrandNSK-RHP
£21.76
Each
Units
25.4mm 50.8mm Deep Groove 9.52mm Open - 1 7.2kN Steel - - - Plain 11.8kN
RS Stock No. 206-8367
Mfr. Part No.KLNJ5/8
BrandNSK-RHP
£9.18
Each
Units
15.87mm 34.92mm Deep Groove 7.14mm Open - 1 3.37kN Steel - - - Plain 5.8kN
RS Stock No. 746-374
Mfr. Part No.KLNJ1-2ZJ
BrandNSK-RHP
£25.54
Each
Units
25.4mm 50.8mm Deep Groove 12.7mm Shielded - 1 7.2kN Steel - - - Plain 11.8kN
RS Stock No. 206-8373
Mfr. Part No.KLNJ3/4
BrandNSK-RHP
£22.02
Each
Units
19.05mm 41.27mm Deep Groove 11.11mm Open - 1 4.4kN Steel - - - Plain 8.2kN