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. 618-9913
BrandRS PRO
kr 29,03
Each
Units
6mm 19mm Miniature 6mm Sealed - 1 896N Steel - - - Plain 2.336kN
RS Stock No. 619-0468
BrandRS PRO
kr 54,36
Each
Units
25mm 52mm Deep Groove 15mm Sealed - 1 7.8kN Steel - - - Plain 14kN
RS Stock No. 618-9957
BrandRS PRO
kr 24,68
Each
Units
8mm 22mm Miniature 7mm Sealed - 1 1.379kN Steel - - - Plain 3.293kN
RS Stock No. 619-0480
BrandRS PRO
kr 46,64
Each
Units
30mm 55mm Deep Groove 13mm Sealed - 1 8.3kN Steel - - - Plain 13.3kN
RS Stock No. 619-0143
BrandRS PRO
kr 31,64
Each
Units
12mm 32mm Deep Groove 10mm Sealed - 1 3.1kN Steel - - - Plain 6.89kN
RS Stock No. 619-0171
BrandRS PRO
kr 36,20
Each
Units
15mm 32mm Deep Groove 9mm Sealed - 1 2.85kN Steel - - - Plain 5.59kN
RS Stock No. 619-0575
BrandRS PRO
kr 133,58
Each
Units
45mm 85mm Deep Groove 19mm Sealed - 1 21.6kN Steel - - - Plain 33.2kN
RS Stock No. 619-0193
BrandRS PRO
kr 31,64
Each
Units
12mm 28mm Deep Groove 8mm Shielded - 1 2.36kN Steel - - - Plain 5.07kN
RS Stock No. 619-0036
BrandRS PRO
kr 28,27
Each
Units
8mm 22mm Miniature 7mm Shielded - 1 1.379kN Steel - - - Plain 3.293kN
RS Stock No. 618-9878
BrandRS PRO
kr 21,74
Each
Units
5mm 16mm Miniature 5mm Sealed - 1 675N Steel - - - Plain 1.729kN
RS Stock No. 618-9907
BrandRS PRO
kr 20,76
Each
Units
5mm 16mm Miniature 5mm Shielded - 1 675N Steel - - - Plain 1.729kN
RS Stock No. 619-0323
BrandRS PRO
kr 36,42
Each
Units
20mm 32mm Deep Groove 7mm Sealed - 1 1.5kN Steel - - - Plain 2.7kN
RS Stock No. 619-0301
BrandRS PRO
kr 27,94
Each
Units
17mm 35mm Deep Groove 10mm Sealed - 1 3.25kN Steel - - - Plain 1.05kN
RS Stock No. 619-0345
BrandRS PRO
kr 52,51
Each
Units
20mm 42mm Deep Groove 12mm Sealed - 1 5kN Steel - - - Plain 9.63kN
RS Stock No. 618-9979
BrandRS PRO
kr 29,03
Each
Units
10mm 19mm Deep Groove 5mm Sealed - 1 585N Steel - - - Plain 1.38kN
RS Stock No. 893-7256
BrandRS PRO
kr 92,95
Each
Units
12mm 28mm Deep Groove 8mm Sealed - 1 2.151kN Stainless Steel - - - Plain 4.59kN
RS Stock No. 618-9890
BrandRS PRO
kr 23,26
Each
Units
4mm 13mm Miniature 5mm Shielded - 1 488N Steel - - - Plain 1.301kN
RS Stock No. 893-7323
BrandRS PRO
kr 66,64
Each
Units
8mm 22mm Deep Groove 7mm Sealed - 1 882N Stainless Steel - - - Plain 2.111kN
RS Stock No. 893-7464
BrandRS PRO
kr 52,40
Each
Units
12mm 24mm Deep Groove 6mm Sealed - 1 1.2kN Stainless Steel - - - Plain 2.32kN
RS Stock No. 619-0187
BrandRS PRO
kr 42,83
Each
Units
15mm 35mm Deep Groove 11mm Sealed - 1 3.75kN Steel - - - Plain 7.8kN