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. 618-9957
Mfr. Part No.608-2RS
BrandRS PRO
€2.34
Each
units
8mm 22mm Miniature 7mm Sealed - 1 1.379kN Steel - - - Plain 3.293kN
RS Stock No. 619-0014
Mfr. Part No.626-2Z
BrandRS PRO
€2.34
Each
units
6mm 19mm Miniature 6mm Shielded - 1 896N Steel - - - Plain 2.336kN
RS Stock No. 619-0345
Mfr. Part No.6004-2RS
BrandRS PRO
€3.32
Each
units
20mm 42mm Deep Groove 12mm Sealed - 1 5kN Steel - - - Plain 9.63kN
RS Stock No. 619-0143
Mfr. Part No.6201-2RS
BrandRS PRO
€2.82
Each
units
12mm 32mm Deep Groove 10mm Sealed - 1 3.1kN Steel - - - Plain 6.89kN
RS Stock No. 619-0171
Mfr. Part No.6002-2RS
BrandRS PRO
€2.81
Each
units
15mm 32mm Deep Groove 9mm Sealed - 1 2.85kN Steel - - - Plain 5.59kN
RS Stock No. 893-7420
Mfr. Part No.SS623-2RS
BrandRS PRO
€2.89
Each
units
3mm 10mm Deep Groove 4mm Sealed - 1 141N Stainless Steel - - - Plain 403N
RS Stock No. 618-9913
Mfr. Part No.626-2RS
BrandRS PRO
€2.68
Each
units
6mm 19mm Miniature 6mm Sealed - 1 896N Steel - - - Plain 2.336kN
RS Stock No. 893-7323
Mfr. Part No.SS608-2RS
BrandRS PRO
€3.22
Each
units
8mm 22mm Deep Groove 7mm Sealed - 1 882N Stainless Steel - - - Plain 2.111kN
RS Stock No. 893-7468
Mfr. Part No.SS61902-2RS
BrandRS PRO
€5.79
Each
units
15mm 28mm Deep Groove 7mm Sealed - 1 1.84kN Stainless Steel - - - Plain 3.44kN
RS Stock No. 618-9991
Mfr. Part No.6000-2RS
BrandRS PRO
€3.02
Each
units
10mm 26mm Deep Groove 8mm Sealed - 1 1.96kN Steel - - - Plain 4.62kN
RS Stock No. 619-0351
Mfr. Part No.6304-2RS
BrandRS PRO
€5.17
Each
units
20mm 52mm Deep Groove 15mm Sealed - 1 7.8kN Steel - - - Plain 15.9kN
RS Stock No. 619-0036
Mfr. Part No.608-2Z
BrandRS PRO
€2.34
Each
units
8mm 22mm Miniature 7mm Shielded - 1 1.379kN Steel - - - Plain 3.293kN
RS Stock No. 618-9878
Mfr. Part No.625-2RS
BrandRS PRO
€2.01
Each
units
5mm 16mm Miniature 5mm Sealed - 1 675N Steel - - - Plain 1.729kN
RS Stock No. 618-9907
Mfr. Part No.625-2Z
BrandRS PRO
€1.68
Each
units
5mm 16mm Miniature 5mm Shielded - 1 675N Steel - - - Plain 1.729kN
RS Stock No. 893-7461
Mfr. Part No.SS61900-2RS
BrandRS PRO
€4.30
Each
units
10mm 22mm Deep Groove 6mm Sealed - 1 1.04kN Stainless Steel - - - Plain 2.16kN
RS Stock No. 893-7442
Mfr. Part No.SS61801-2RS
BrandRS PRO
€4.79
Each
units
12mm 21mm Deep Groove 5mm Sealed - 1 800N Stainless Steel - - - Plain 1.52kN
RS Stock No. 618-9979
Mfr. Part No.6800-2RS
BrandRS PRO
€2.68
Each
units
10mm 19mm Deep Groove 5mm Sealed - 1 585N Steel - - - Plain 1.38kN
RS Stock No. 619-0200
Mfr. Part No.6302-2RS
BrandRS PRO
€4.08
Each
units
15mm 42mm Deep Groove 13mm Sealed - 1 5.4kN Steel - - - Plain 11.4kN
RS Stock No. 619-0121
Mfr. Part No.6001-2RS
BrandRS PRO
€2.62
Each
units
12mm 28mm Deep Groove 8mm Sealed - 1 2.36kN Steel - - - Plain 5.07kN
RS Stock No. 618-9856
Mfr. Part No.623-2RS
BrandRS PRO
€2.68
Each
units
3mm 10mm Miniature 4mm Sealed - 1 219N Steel - - - Plain 631N