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. 505-924
Mfr. Part No.6211/C3
BrandSKF
TWD1,009.00
Each
units
55mm 100mm Deep Groove 21mm Open - 1 29kN Steel - Steel - Plain 46.2kN
RS Stock No. 667-1172
Mfr. Part No.6201-2RSH/C3
BrandSKF
TWD191.00
Each
units
12mm 32mm Deep Groove 10mm Sealed - 1 3.1kN Steel - Steel - Plain 7.28kN
RS Stock No. 667-0999
Mfr. Part No.6002-2Z/C3
BrandSKF
TWD195.00
Each
units
15mm 32mm Deep Groove 9mm Shielded - 1 2.85kN Steel - Steel - Plain 5.85kN
RS Stock No. 764-3581
Mfr. Part No.6012-2Z
BrandSKF
TWD915.00
Each
units
60mm 95mm Deep Groove 18mm Shielded - 1 23.2kN Steel - Steel - Plain 30.7kN
RS Stock No. 505-839
Mfr. Part No.6311-2Z/C3
BrandSKF
TWD1,615.00
Each
units
55mm 120mm Deep Groove 29mm Shielded - 1 45kN Steel - Steel - Plain 74.1kN
RS Stock No. 667-1190
Mfr. Part No.6206-2RS1/C3
BrandSKF
TWD420.00
Each
units
30mm 62mm Deep Groove 16mm Sealed - 1 11.2kN Steel - Steel - Plain 20.3kN
RS Stock No. 286-7546
Mfr. Part No.608-2Z
BrandSKF
TWD155.00
Each
units
8mm 22mm Deep Groove 7mm Shielded - 1 1.37kN Steel Steel Steel Steel Plain 3.45kN
RS Stock No. 286-7473
Mfr. Part No.61802
BrandSKF
TWD328.00
Each
units
15mm 24mm Deep Groove 5mm Open - 1 800N Steel - Steel - Plain 1.56kN
RS Stock No. 505-934
Mfr. Part No.6212-2Z/C3
BrandSKF
TWD1,064.00
Each
units
60mm 110mm Deep Groove 22mm Shielded - 1 36kN Steel - Steel - Plain 55.3kN
RS Stock No. 285-0958
Mfr. Part No.6206-2RS1
BrandSKF
TWD392.00
Each
units
30mm 62mm Deep Groove 16mm Sealed - 1 11.2kN Steel Steel Steel Steel Plain 20.3kN
RS Stock No. 505-968
Mfr. Part No.6215-2RS1/C3
BrandSKF
TWD3,421.00
Each
units
75mm 130mm Deep Groove 25mm Sealed - 1 49kN Steel - Steel - Plain 68.9kN
RS Stock No. 286-7530
Mfr. Part No.608
BrandSKF
TWD139.00
Each
units
8mm 22mm Deep Groove 7mm Open - 1 1.37kN Steel - Steel - Plain 3.45kN
RS Stock No. 442-0183
Mfr. Part No.6201-2RSH
BrandSKF
TWD191.00
Each
units
12mm 32mm Deep Groove 10mm Sealed - 1 3.1kN Steel - Steel - Plain 7.28kN
RS Stock No. 667-0995
Mfr. Part No.6001-2Z/C3
BrandSKF
TWD174.00
Each
units
12mm 28mm Deep Groove 8mm Shielded - 1 2.36kN Steel - Steel - Plain 5.4kN
RS Stock No. 505-895
Mfr. Part No.6012-2Z/C3
BrandSKF
TWD917.00
Each
units
60mm 95mm Deep Groove 18mm Shielded - 1 23.2kN Steel - Steel - Plain 30.7kN
RS Stock No. 125-1236
Mfr. Part No.W 608-2RS1/VP311
BrandSKF
TWD592.00
Each
units
8mm 22mm Deep Groove 7mm Sealed - 1 780N Stainless Steel Stainless Steel Stainless Steel Stainless Steel Plain 1990N
RS Stock No. 286-7748
Mfr. Part No.6008-2Z
BrandSKF
TWD448.00
Each
units
40mm 68mm Deep Groove 15mm Shielded - 1 11.6kN - - Steel - Plain 17.8kN
RS Stock No. 667-1093
Mfr. Part No.6302-2Z/C3
BrandSKF
TWD238.00
Each
units
15mm 42mm Deep Groove 13mm Shielded - 1 5.4kN Steel - Steel - Plain 11.9kN
RS Stock No. 123-4809
Mfr. Part No.6002-2Z/C3GJN
BrandSKF
TWD349.00
Each
units
15mm 32mm Deep Groove 9mm Shielded - 1 2.8kN Steel Ceramic Steel - Plain 5.8kN
RS Stock No. 667-1128
Mfr. Part No.6310-2Z/C3
BrandSKF
TWD1,667.00
Each
units
50mm 110mm Deep Groove 27mm Shielded - 1 38kN Steel - Steel - Plain 65kN