Ball Bearings

A ball bearing is a rolling bearing used within the power transmission industry. Ball bearings feature metal balls between an inner ring and outer ring. The rings feature raceways in which the balls sit. Ball bearings are designed to reduce rotational friction while supporting radial loads and axial 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.

With applications in everything from bicycle wheels to aerospace engineering, the ball bearing is a versatile rolling element bearing. They are ideal for high-speed applications with light to medium loads. For heavier loads, a Roller Bearing may be more suitable. Ball bearings are usually made from steel because of its durability. However, there are ceramic and plastic options available too. Single-row ball bearings are the most common, but double and triple rows are available too.

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 environment. They are also available in a range of diameters, supplied in metric sizes. Types include:


  • Deep-groove ball bearings are for when a higher load capacity is required.
  • Angular Contact ball bearings are used for combination axial and radial loads.
  • Linear ball bearings provide rotation in a single direction.
  • Miniature ball bearings are ideal for compact applications.
  • Self-aligning ball bearings used with long shafts and can handle misalignment.
  • Thrust ball bearings are used for axial loads.
  • Ceramic bearings are resistant to corrosion and very little lubrication.
  • Shielded bearings feature a rubber shield to protect the bearing from contaminants.

Ball bearings are used in objects with moving parts and have many applications. These include quite specific uses such as in appliances, machinery, gearboxes and centrifugal pumps.


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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. 764-3578
Mfr. Part No.6314-2RS1
BrandSKF
MYR770.54
Each
units
70mm 150mm Deep Groove 35mm Sealed - 1 68kN Steel - Steel - Plain 111kN
RS Stock No. 893-0198
Mfr. Part No.W6001-2RS1
BrandSKF
MYR107.98
Each
units
12mm 28mm Deep Groove 8mm Sealed - 1 2.36kN Stainless Steel Stainless Steel Stainless Steel Stainless Steel Plain 4.42kN
RS Stock No. 441-9953
Mfr. Part No.608-2RSH
BrandSKF
MYR30.82
Each
units
8mm 22mm Deep Groove 7mm Sealed - 1 1.37kN Steel - Steel - Plain 3.45kN
RS Stock No. 285-0813
Mfr. Part No.623-2RS1
BrandSKF
MYR29.81
Each
units
3mm 10mm Deep Groove 4mm Sealed - 1 180N - - Steel - Plain 540N
RS Stock No. 667-1197
Mfr. Part No.6205-2RSH/C3
BrandSKF
MYR55.70
Each
units
25mm 52mm Deep Groove 15mm Sealed - 1 7.8kN Steel - Steel - Plain 14.8kN
RS Stock No. 442-0199
Mfr. Part No.609-2RSH
BrandSKF
MYR31.76
Each
units
9mm 24mm Deep Groove 7mm Sealed - 1 1.66kN Steel - Steel - Plain 3.9kN
RS Stock No. 667-1188
Mfr. Part No.6204-2RSH/C3
BrandSKF
MYR48.37
Each
units
20mm 47mm Deep Groove 14mm Sealed - 1 6.55kN Steel - Steel - Plain 13.5kN
RS Stock No. 667-1156
Mfr. Part No.6008-2RS1/C3
BrandSKF
MYR97.44
Each
units
40mm 68mm Deep Groove 15mm Sealed - 1 11.6kN Steel - Steel - Plain 17.8kN
RS Stock No. 442-0076
Mfr. Part No.6203-2RSH
BrandSKF
MYR40.83
Each
units
17mm 40mm Deep Groove 12mm Sealed - 1 4.75kN Steel - Steel - Plain 9.95kN
RS Stock No. 285-0992
Mfr. Part No.6210-2RS1
BrandSKF
MYR169.37
Each
units
50mm 90mm Deep Groove 20mm Sealed - 1 23.2kN Steel - Steel - Plain 37.1kN
RS Stock No. 285-0611
Mfr. Part No.61805-2RS1
BrandSKF
MYR96.37
Each
units
25mm 37mm Deep Groove 7mm Sealed - 1 2.6kN - - Steel - Plain 4.36kN
RS Stock No. 893-0334
Mfr. Part No.W61902-2RS1
BrandSKF
MYR199.30
Each
units
15mm 28mm Deep Groove 7mm Sealed - 1 2.24kN Stainless Steel Stainless Steel Stainless Steel Stainless Steel Plain 3.71kN
RS Stock No. 285-0784
Mfr. Part No.6010-2RS1
BrandSKF
MYR132.36
Each
units
50mm 80mm Deep Groove 16mm Sealed - 1 16kN - - Steel - Plain 22.9kN
RS Stock No. 893-0230
Mfr. Part No.W6203-2RS1
BrandSKF
MYR162.04
Each
units
17mm 40mm Deep Groove 12mm Sealed - 1 4.75kN Stainless Steel Stainless Steel Stainless Steel Stainless Steel Plain 8.06kN
RS Stock No. 125-1241
Mfr. Part No.W 6205-2RS1/VP311
BrandSKF
MYR257.08
Each
units
25mm 52mm Deep Groove 15mm Sealed - 1 7.65kN Stainless Steel Stainless Steel Stainless Steel Stainless Steel Plain 11700N
RS Stock No. 442-0098
Mfr. Part No.6204-2RSH
BrandSKF
MYR46.86
Each
units
20mm 47mm Deep Groove 14mm Sealed - 1 6.55kN Steel - Steel - Plain 13.5kN
RS Stock No. 285-0560
Mfr. Part No.61803-2RS1
BrandSKF
MYR78.30
Each
units
17mm 26mm Deep Groove 5mm Sealed - 1 930N Steel - Steel - Plain 1.68kN
RS Stock No. 442-0010
Mfr. Part No.6004-2RSH
BrandSKF
MYR43.80
Each
units
20mm 42mm Deep Groove 12mm Sealed - 1 5kN Steel - Steel - Plain 9.95kN
RS Stock No. 667-1144
Mfr. Part No.6006-2RS1/C3
BrandSKF
MYR62.58
Each
units
30mm 55mm Deep Groove 13mm Sealed - 1 8.3kN Steel - Steel - Plain 13.8kN
RS Stock No. 667-1207
Mfr. Part No.6209-2RS1/C3
BrandSKF
MYR160.32
Each
units
45mm 85mm Deep Groove 19mm Sealed - 1 21.6kN Steel - Steel - Plain 35.1kN