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
全新
RS庫存編號 188-3316
BrandRS PRO
HK$14.99
單位
5mm 16mm Deep Groove 5mm Shielded - - 0.38N - - - - Plain 1.14N
RS庫存編號 137-1828
製造零件編號203-XL-KRR-AH02
BrandINA
HK$206.03
單位
16.2mm 40mm Radial 18.3mm Sealed - 1 4750N Steel - - - Plain 10100N
RS庫存編號 764-3705
製造零件編號6201ZZC3
BrandNSK
HK$42.79
單位
12mm 32mm Deep Groove 10mm Shielded - 1 3.05kN Steel - Pressed Steel - Plain 6.8kN
RS庫存編號 667-1024
製造零件編號6009-2Z/C3
BrandSKF
HK$172.14
單位
45mm 75mm Deep Groove 16mm Shielded - 1 14.6kN Steel - Steel - Plain 22.1kN
RS庫存編號 893-0334
製造零件編號W61902-2RS1
BrandSKF
HK$277.76
單位
15mm 28mm Deep Groove 7mm Sealed - 1 2.24kN Stainless Steel Stainless Steel Stainless Steel Stainless Steel Plain 3.71kN
全新
RS庫存編號 188-3311
BrandRS PRO
HK$168.85
單位
45mm 100mm Deep Groove 25mm Sealed - - 31.5N - - - - Plain 55.3N
全新
RS庫存編號 195-9551
製造零件編號3309 ATN9
BrandSKF
HK$1,067.26
單位
45mm 100mm Angular Contact 39.7mm Open - 2 53kN Steel Steel - - Plain 75kN
RS庫存編號 126-6948
製造零件編號BSN1747DDUHP2B R BE4L5
BrandNSK
HK$1,649.53
單位
17mm 47mm Angular Contact 25mm Sealed - 2 29.7kN Steel - - - Plain 19.3kN
RS庫存編號 408-9912
製造零件編號609ZZ
BrandNSK
HK$41.98
單位
9mm 24mm Deep Groove 7mm Shielded - 1 1.43kN Steel - Steel - Plain 3.35kN
RS庫存編號 667-1169
製造零件編號6010-2RS1/C3
BrandSKF
HK$208.89
單位
50mm 80mm Deep Groove 16mm Sealed - 1 16kN Steel - Steel - Plain 22.9kN
RS庫存編號 764-3685
製造零件編號6010DDUC3
BrandNSK
HK$120.58
單位
50mm 80mm Deep Groove 16mm Sealed - 1 16.6kN Steel - Pressed Steel - Plain 21.8kN
全新
RS庫存編號 190-8299
製造零件編號1206-TVH-C3
BrandFAG
HK$234.52
單位
30mm 62mm Self Aligning 16mm Open - 2 4650N - - Brass - Plain 15900N
RS庫存編號 893-0221
製造零件編號W6202-2RS1
BrandSKF
HK$192.42
單位
15mm 35mm Deep Groove 11mm Sealed - 1 3.6kN Stainless Steel Stainless Steel Stainless Steel Stainless Steel Plain 6.37kN
RS庫存編號 492-1973
製造零件編號6303DDU
BrandNSK
HK$76.19
單位
17mm 47mm Deep Groove 14mm Sealed - 1 6.65kN Steel - Steel - Plain 13.6kN
RS庫存編號 667-1128
製造零件編號6310-2Z/C3
BrandSKF
HK$424.20
單位
50mm 110mm Deep Groove 27mm Shielded - 1 38kN Steel - Steel - Plain 65kN
RS庫存編號 619-0806
BrandRS PRO
HK$126.30
單位
50mm 110mm Deep Groove 27mm Shielded - 1 38kN Steel - - - Plain 61.8kN
RS庫存編號 137-1674
製造零件編號6208-C-2Z-C3
BrandFAG
HK$173.32
單位
40mm 80mm Deep Groove 18mm Double Shielded - 1 17800N Steel - Steel - Plain 31000N
RS庫存編號 137-1646
製造零件編號6202-C-2HRS-C3
BrandFAG
HK$54.45
單位
15mm 35mm Deep Groove 11mm Sealed - 1 3750N Steel - Steel - Plain 8400N
RS庫存編號 408-9956
製造零件編號629DD
BrandNSK
HK$46.68
單位
9mm 26mm Deep Groove 8mm Sealed - 1 1.97kN Steel - Steel - Plain 4.55kN
RS庫存編號 506-056
製造零件編號6214-2RS1/C3
BrandSKF
HK$804.23
單位
70mm 125mm Deep Groove 24mm Sealed - 1 45kN Steel - Steel - Plain 63.7kN