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 667-1125
製造零件編號6309-2Z/C3
BrandSKF
HK$310.50
單位
45mm 100mm Deep Groove 25mm Shielded - 1 31.5kN Steel - Steel - Plain 55.3kN
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 667-1021
製造零件編號607-2Z/C3
BrandSKF
HK$36.90
單位
7mm 19mm Deep Groove 6mm Shielded - 1 950N Steel - Steel - Plain 2.34kN
RS庫存編號 505-766
製造零件編號7311BEP
BrandSKF
HK$870.00
單位
55mm 120mm Angular Contact 29mm Open - 1 55kN Steel - Fibreglass Reinforced Nylon 66 - Plain 79.3kN
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 505-996
製造零件編號6314/C3
BrandSKF
HK$1,070.00
單位
70mm 150mm Deep Groove 35mm Open - 1 68kN Steel - Steel - Plain 111kN
RS庫存編號 442-0149
製造零件編號6303-2RSH
BrandSKF
HK$76.05
單位
17mm 47mm Deep Groove 14mm Sealed - 1 6.55kN Steel - Steel - Plain 14.3kN
RS庫存編號 667-1059
製造零件編號6206-2Z/C3
BrandSKF
HK$92.25
單位
30mm 62mm Deep Groove 16mm Shielded - 1 11.2kN Steel - Steel - Plain 20.3kN
RS庫存編號 286-7681
製造零件編號6006
BrandSKF
HK$68.70
單位
30mm 55mm Deep Groove 13mm Open - 1 8.3kN Steel - Steel - Plain 13.8kN
RS庫存編號 719-2020
製造零件編號E2.6001-2Z/C3
BrandSKF
HK$37.90
單位
12mm 28mm Deep Groove 8mm Shielded - 1 2.32kN Steel - Fibreglass Reinforced Composite Polymer - Plain 5.07kN
RS庫存編號 719-2052
製造零件編號E2.6204-2Z/C3
BrandSKF
HK$55.34
單位
20mm 47mm Deep Groove 14mm Shielded - 1 6.55kN Steel - Fibreglass Reinforced Composite Polymer - Plain 12.7kN
RS庫存編號 719-2055
製造零件編號E2.6303-2Z/C3
BrandSKF
HK$59.00
單位
17mm 47mm Deep Groove 14mm Shielded - 1 6.55kN Steel - Fibreglass Reinforced Composite Polymer - Plain 13.8kN
RS庫存編號 719-2024
製造零件編號E2.6201-2Z/C3
BrandSKF
HK$37.00
單位
12mm 32mm Deep Groove 10mm Shielded - 1 3.1kN Steel - Fibreglass Reinforced Composite Polymer - Plain 7.02kN
RS庫存編號 137-1581
製造零件編號6000-C-2HRS
BrandFAG
HK$45.75
單位
10mm 26mm Deep Groove 8mm Sealed - 1 1970N Steel - Steel - Plain 5000N
RS庫存編號 137-1582
製造零件編號6000-C-2Z-C3
BrandFAG
HK$40.31
單位
10mm 26mm Deep Groove 8mm Double Shielded - 1 1970N Steel - Steel - Plain 5000N
RS庫存編號 719-2058
製造零件編號E2.6004-2Z/C3
BrandSKF
HK$48.40
單位
20mm 42mm Deep Groove 12mm Shielded - 1 5kN Steel - Fibreglass Reinforced Composite Polymer - Plain 9.36kN
RS庫存編號 285-1636
製造零件編號3203A
BrandSKF
HK$278.00
單位
17mm 40mm Angular Contact 17.5mm Open - 2 8.8kN Steel - Fibreglass Reinforced Nylon 66 - Plain 14.3kN
RS庫存編號 126-2368
製造零件編號6203-Z
BrandSKF
HK$72.30
單位
17mm 40mm Deep Groove 12mm Shielded - 1 4.75kN Steel Steel Steel Steel Plain 9.95kN
RS庫存編號 719-2083
製造零件編號E2.6306-2Z/C3
BrandSKF
HK$115.00
單位
30mm 72mm Deep Groove 19mm Shielded - 1 16kN Steel - Fibreglass Reinforced Composite Polymer - Plain 28.6kN
RS庫存編號 719-2027
製造零件編號E2.6300-2Z/C3
BrandSKF
HK$46.60
單位
10mm 35mm Deep Groove 11mm Shielded - 1 3.4kN Steel - Fibreglass Reinforced Composite Polymer - Plain 8.32kN