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. 286-8252
Mfr. Part No.6305
BrandSKF
$15.64
Each
units
25mm 62mm Deep Groove 17mm Open - 1 11.6kN Steel - Steel - Plain 23.4kN
RS Stock No. 764-3493
Mfr. Part No.6212
BrandSKF
$48.98
Each
units
60mm 110mm Deep Groove 22mm Open - 1 36kN Steel - Steel - Plain 55.3kN
RS Stock No. 618-9957
Mfr. Part No.608-2RS
BrandRS PRO
$3.94
Each
units
8mm 22mm Miniature 7mm Sealed - 1 1.379kN Steel - - - Plain 3.293kN
RS Stock No. 442-0105
Mfr. Part No.6205-2RSH
BrandSKF
$14.92
Each
units
25mm 52mm Deep Groove 15mm Sealed - 1 7.8kN Steel - Steel - Plain 14.8kN
RS Stock No. 442-0076
Mfr. Part No.6203-2RSH
BrandSKF
$11.87
Each
units
17mm 40mm Deep Groove 12mm Sealed - 1 4.75kN Steel - Steel - Plain 9.95kN
RS Stock No. 286-7669
Mfr. Part No.6005
BrandSKF
$10.47
Each
units
25mm 47mm Deep Groove 12mm Open - 1 6.55kN Steel - Steel - Plain 11.9kN
RS Stock No. 408-9883
Mfr. Part No.608ZZ
BrandNSK
$8.17
Each
units
8mm 22mm Deep Groove 7mm Shielded - 1 1.37kN Steel - Steel - Plain 3.3kN
RS Stock No. 667-1049
Mfr. Part No.6202-2Z/C3
BrandSKF
$9.22
Each
units
15mm 35mm Deep Groove 11mm Shielded - 1 3.75kN Steel - Steel - Plain 8.06kN
RS Stock No. 409-0057
Mfr. Part No.6001ZZ
BrandNSK
$9.06
Each
units
12mm 28mm Deep Groove 8mm Shielded - 1 2.37kN Steel - Steel - Plain 5.1kN
RS Stock No. 893-7323
Mfr. Part No.SS608-2RS
BrandRS PRO
$5.54
Each
units
8mm 22mm Deep Groove 7mm Sealed - 1 882N Stainless Steel - - - Plain 2.111kN
RS Stock No. 619-0042
Mfr. Part No.627-2Z
BrandRS PRO
$4.08
Each
units
7mm 22mm Miniature 7mm Shielded - 1 1.379kN Steel - - - Plain 3.287kN
RS Stock No. 441-9975
Mfr. Part No.6001-2RSH
BrandSKF
$9.76
Each
units
12mm 28mm Deep Groove 8mm Sealed - 1 2.36kN Steel Steel Steel Steel Plain 5.4kN
RS Stock No. 408-9861
Mfr. Part No.608
BrandNSK
$6.94
Each
units
8mm 22mm Deep Groove 7mm Open - 1 1.37kN Steel - Steel - Plain 3.3kN
RS Stock No. 505-924
Mfr. Part No.6211/C3
BrandSKF
$48.06
Each
units
55mm 100mm Deep Groove 21mm Open - 1 29kN Steel - Steel - Plain 46.2kN
RS Stock No. 618-9991
Mfr. Part No.6000-2RS
BrandRS PRO
$5.05
Each
units
10mm 26mm Deep Groove 8mm Sealed - 1 1.96kN Steel - - - Plain 4.62kN
RS Stock No. 442-0082
Mfr. Part No.6202-2RSH
BrandSKF
$10.13
Each
units
15mm 35mm Deep Groove 11mm Sealed - 1 3.75kN Steel - Steel - Plain 8.06kN
RS Stock No. 409-0114
Mfr. Part No.6003ZZ
BrandNSK
$9.81
Each
units
17mm 35mm Deep Groove 10mm Shielded - 1 3.25kN Steel - Steel - Plain 6kN
RS Stock No. 285-2213
Mfr. Part No.51204
BrandSKF
$35.88
Each
units
20mm 40mm Thrust 14mm - - 1 41kN Steel Steel Pressed Steel - Plain 23kN
RS Stock No. 442-0098
Mfr. Part No.6204-2RSH
BrandSKF
$14.42
Each
units
20mm 47mm Deep Groove 14mm Sealed - 1 6.55kN Steel - Steel - Plain 13.5kN
RS Stock No. 286-7849
Mfr. Part No.626-2Z
BrandSKF
$7.65
Each
units
6mm 19mm Deep Groove 6mm Shielded - 1 950N Steel Steel Steel Steel Plain 2.34kN
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