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. 285-2285
Mfr. Part No.51210
BrandSKF
MYR252.09
Each
units
50mm 78mm Thrust 22mm - - 1 116kN Steel Steel Pressed Steel - Plain 49kN
RS Stock No. 408-9883
Mfr. Part No.608ZZ1MC3E
BrandNSK
MYR24.52
Each
units
8mm 22mm Deep Groove 7mm Shielded - 1 1.37kN Steel - Steel - Plain 3.3kN
RS Stock No. 540-299
Mfr. Part No.DDLF1280ZZHA5P24LY121
BrandNMB
MYR46.055
Each (In a Pack of 2)
units
8mm 12mm Radial 3.5mm Shielded 13.2mm 1 246N Steel Martensitic Stainless Steel - Martensitic Stainless Steel Flanged 506N
RS Stock No. 409-0350
Mfr. Part No.6200ZZ
BrandNSK
MYR25.81
Each
units
10mm 30mm Deep Groove 9mm Shielded - 1 2.39kN Steel - Steel - Plain 5.1kN
RS Stock No. 505-647
Mfr. Part No.6319/C3
BrandSKF
MYR1,833.30
Each
units
95mm 200mm Deep Groove 45mm Open - 1 118kN Steel - Steel - Plain 159kN
RS Stock No. 286-7546
Mfr. Part No.608-2Z
BrandSKF
MYR27.72
Each
units
8mm 22mm Deep Groove 7mm Shielded - 1 1.37kN Steel Steel Steel Steel Plain 3.45kN
RS Stock No. 286-8252
Mfr. Part No.6305
BrandSKF
MYR57.22
Each
units
25mm 62mm Deep Groove 17mm Open - 1 11.6kN Steel - Steel - Plain 23.4kN
RS Stock No. 492-2099
Mfr. Part No.6800ZZ
BrandNSK
MYR62.09
Each
units
10mm 19mm Deep Groove 5mm Shielded - 1 840N Steel - Steel - Plain 1.72kN
RS Stock No. 667-1043
Mfr. Part No.6203-2Z/C3
BrandSKF
MYR35.63
Each
units
17mm 40mm Deep Groove 12mm Shielded - 1 4.75kN Steel - Steel - Plain 9.95kN
RS Stock No. 893-7461
Mfr. Part No.SS61900-2RS
BrandRS PRO
MYR23.63
Each
units
10mm 22mm Deep Groove 6mm Sealed - 1 1.04kN Stainless Steel - - - Plain 2.16kN
RS Stock No. 409-0170
Mfr. Part No.6005ZZ
BrandNSK
MYR39.62
Each
units
25mm 47mm Deep Groove 12mm Shielded - 1 5.85kN Steel - Steel - Plain 10.1kN
RS Stock No. 286-7962
Mfr. Part No.6202-2Z
BrandSKF
MYR32.86
Each
units
15mm 35mm Deep Groove 11mm Shielded - 1 3.75kN Steel Steel Steel Steel Plain 8.06kN
RS Stock No. 409-0085
Mfr. Part No.6002ZZ
BrandNSK
MYR31.05
Each
units
15mm 32mm Deep Groove 9mm Shielded - 1 2.83kN Steel - Steel - Plain 5.6kN
RS Stock No. 125-7921
Mfr. Part No.AC6800Z-ISB/4N/D
BrandBNL
MYR12.69
Each
units
10mm 19mm Radial 5mm Sealed - 1 6kg Plastic Stainless Steel Acetal Acetal Plain -
RS Stock No. 125-7903
Mfr. Part No.AC6000Z-ISB/4N/D
BrandBNL
MYR7.15
Each
units
10mm 26mm Radial 8mm Sealed - 1 15kg Plastic Stainless Steel Acetal Acetal Plain -
RS Stock No. 409-0912
Mfr. Part No.51109
BrandNSK
MYR109.48
Each
units
45mm 65mm Thrust 14mm - - 1 69kN Steel - Steel - Plain 28.1kN
RS Stock No. 286-7530
Mfr. Part No.608
BrandSKF
MYR24.55
Each
units
8mm 22mm Deep Groove 7mm Open - 1 1.37kN Steel - Steel - Plain 3.45kN
RS Stock No. 285-2213
Mfr. Part No.51204
BrandSKF
MYR118.71
Each
units
20mm 40mm Thrust 14mm - - 1 41kN Steel Steel Pressed Steel - Plain 23kN
RS Stock No. 618-9957
Mfr. Part No.608-2RS
BrandRS PRO
MYR12.90
Each
units
8mm 22mm Miniature 7mm Sealed - 1 1.379kN Steel - - - Plain 3.293kN
RS Stock No. 505-984
Mfr. Part No.6314-2Z/C3
BrandSKF
MYR825.24
Each
units
70mm 150mm Deep Groove 35mm Shielded - 1 68kN Steel - Steel - Plain 111kN