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庫存編號 618-9957
BrandRS PRO
HK$15.10
單位
8mm 22mm Miniature 7mm Sealed - 1 1.379kN Steel - - - Plain 3.293kN
RS庫存編號 618-9862
BrandRS PRO
HK$13.12
單位
4mm 13mm Miniature 5mm Sealed - 1 488N Steel - - - Plain 1.301kN
RS庫存編號 619-0323
BrandRS PRO
HK$36.30
單位
20mm 32mm Deep Groove 7mm Sealed - 1 1.5kN Steel - - - Plain 2.7kN
RS庫存編號 619-0525
BrandRS PRO
HK$57.13
單位
35mm 72mm Deep Groove 17mm Sealed - 1 15.3kN Steel - - - Plain 25.5kN
RS庫存編號 893-7275
BrandRS PRO
HK$59.32
單位
20mm 42mm Deep Groove 12mm Sealed - 1 4.545kN Stainless Steel - - - Plain 8.46kN
RS庫存編號 619-0187
BrandRS PRO
HK$22.10
單位
15mm 35mm Deep Groove 11mm Sealed - 1 3.75kN Steel - - - Plain 7.8kN
RS庫存編號 619-0036
BrandRS PRO
HK$14.45
單位
8mm 22mm Miniature 7mm Shielded - 1 1.379kN Steel - - - Plain 3.293kN
全新
RS庫存編號 188-3308
BrandRS PRO
HK$92.46
單位
30mm 72mm Deep Groove 19mm Sealed - - 16N - - - - Plain 29.6N
RS庫存編號 619-0339
BrandRS PRO
HK$27.59
單位
20mm 47mm Deep Groove 14mm Sealed - 1 6.55kN Steel - - - Plain 12.7kN
RS庫存編號 893-7345
BrandRS PRO
HK$48.24
單位
15mm 35mm Deep Groove 11mm Sealed - 1 3.24kN Stainless Steel - - - Plain 6.975kN
全新
RS庫存編號 188-3302
BrandRS PRO
HK$28.73
單位
10mm 35mm Deep Groove 11mm Sealed - - 3.4N - - - - Plain 8.52N
RS庫存編號 619-0424
BrandRS PRO
HK$21.75
單位
20mm 42mm Deep Groove 12mm Shielded - 1 5kN Steel - - - Plain 9.63kN
RS庫存編號 619-0389
BrandRS PRO
HK$20.59
單位
17mm 35mm Deep Groove 10mm Shielded - 1 3.25kN Steel - - - Plain 1.05kN
RS庫存編號 893-7269
BrandRS PRO
HK$45.10
單位
15mm 32mm Deep Groove 9mm Sealed - 1 2.556kN Stainless Steel - - - Plain 5.04kN
RS庫存編號 619-0727
BrandRS PRO
HK$57.02
單位
40mm 80mm Deep Groove 18mm Shielded - 1 19kN Steel - - - Plain 30.7kN
RS庫存編號 893-7474
BrandRS PRO
HK$97.77
單位
25mm 42mm Deep Groove 9mm Sealed - 1 3.6kN Stainless Steel - - - Plain 5.6kN
全新
RS庫存編號 188-3290
BrandRS PRO
HK$121.79
單位
50mm 80mm Deep Groove 16mm Sealed - - 15.6N - - - - Plain 22.9N
全新
RS庫存編號 188-3319
BrandRS PRO
HK$24.14
單位
12mm 28mm Deep Groove 8mm Shielded - - 2.36N - - - - Plain 5.4N
全新
RS庫存編號 188-3303
BrandRS PRO
HK$31.02
單位
12mm 37mm Deep Groove 12mm Sealed - - 4.15N - - - - Plain 10.1N
RS庫存編號 619-0345
BrandRS PRO
HK$22.31
單位
20mm 42mm Deep Groove 12mm Sealed - 1 5kN Steel - - - Plain 9.63kN