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. 409-0372
Mfr. Part No.6201ZZ
BrandNSK
R 94.86
Each
units
12mm 32mm Deep Groove 10mm Shielded - 1 3.05kN Steel - Steel - Plain 6.8kN
RS stock no. 409-0186
Mfr. Part No.6005DDU
BrandNSK
R 154.62
Each
units
25mm 47mm Deep Groove 12mm Sealed - 1 5.85kN Steel - Steel - Plain 10.1kN
RS stock no. 409-0877
Mfr. Part No.51104
BrandNSK
R 204.82
Each
units
20mm 35mm Thrust 10mm - - 1 26.6kN Steel - Steel - Plain 15.1kN
RS stock no. 719-2008
Mfr. Part No.E2.608-2Z/C3
BrandSKF
R 167.90
Each
units
8mm 22mm Deep Groove 7mm Shielded - 1 1.37kN Steel - Fibreglass Reinforced Composite Polymer - Plain 3.32kN
RS stock no. 618-9991
Mfr. Part No.6000-2RS
BrandRS PRO
R 38.01
Each
units
10mm 26mm Deep Groove 8mm Sealed - 1 1.96kN Steel - - - Plain 4.62kN
RS stock no. 893-7446
Mfr. Part No.SS61802-2RS
BrandRS PRO
R 103.05
Each
units
15mm 24mm Deep Groove 5mm Sealed - 1 1.04kN Stainless Steel - - - Plain 1.68kN
RS stock no. 286-7776
Mfr. Part No.6010
BrandSKF
R 330.86
Each
units
50mm 80mm Deep Groove 16mm Open - 1 16kN Steel - Steel - Plain 22.9kN
RS stock no. 492-2207
Mfr. Part No.6306ZZ
BrandNSK
R 296.39
Each
units
30mm 72mm Deep Groove 19mm Shielded - 1 15kN Steel - Steel - Plain 26.7kN
RS stock no. 109-955
Mfr. Part No.FT4/1B/D
BrandBNL
R 22.88
Each
units
6.5mm 14.3mm Thrust 1.5mm - - 1 25kg Plastic Carbon Steel Acetal Acetal Plain -
RS stock no. 285-1557
Mfr. Part No.7205 BEP
BrandSKF
R 485.99
Each
units
25mm 52mm Angular Contact 15mm Open - 1 9.3kN Steel - Fibreglass Reinforced Nylon 66 - Plain 14.8kN
RS stock no. 286-7524
Mfr. Part No.607-2Z
BrandSKF
R 79.00
Each
units
7mm 19mm Deep Groove 6mm Shielded - 1 950N Steel - Steel - Plain 2.34kN
RS stock no. 409-0934
Mfr. Part No.51110
BrandNSK
R 403.28
Each
units
50mm 70mm Thrust 14mm - - 1 75.5kN Steel - Steel - Plain 29kN
RS stock no. 667-1131
Mfr. Part No.6001-2RSH/C3
BrandSKF
R 100.99
Each
units
12mm 28mm Deep Groove 8mm Sealed - 1 2.36kN Steel - Steel - Plain 5.4kN
RS stock no. 286-7568
Mfr. Part No.6000
BrandSKF
R 59.36
Each
units
10mm 26mm Deep Groove 8mm Open - 1 1.96kN Steel - Steel - Plain 4.75kN
RS stock no. 667-1100
Mfr. Part No.6305-2Z/C3
BrandSKF
R 233.65
Each
units
25mm 62mm Deep Groove 17mm Shielded - 1 11.6kN Steel - Steel - Plain 23.4kN
RS stock no. 764-3607
Mfr. Part No.6312-2Z
BrandSKF
R 1,438.67
Each
units
60mm 130mm Deep Groove 31mm Shielded - 1 52kN Steel - Steel - Plain 85.2kN
RS stock no. 764-3695
Mfr. Part No.6201DDUC3
BrandNSK
R 103.11
Each
units
12mm 32mm Deep Groove 10mm Sealed - 1 3.05kN Steel - Pressed Steel - Plain 6.8kN
RS stock no. 764-3499
Mfr. Part No.6211
BrandSKF
R 516.57
Each
units
55mm 100mm Deep Groove 21mm Open - 1 29kN Steel - Steel - Plain 46.2kN
RS stock no. 286-7956
Mfr. Part No.6202
BrandSKF
R 89.23
Each
units
15mm 35mm Deep Groove 11mm Open - 1 3.75kN Steel - Steel - Plain 8.06kN
RS stock no. 893-0280
Mfr. Part No.W606-2RS1
BrandSKF
R 168.00
Each
units
6mm 17mm Deep Groove 6mm Sealed - 1 830N Stainless Steel Stainless Steel Stainless Steel Stainless Steel Plain 1.95kN