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 123-4836
製造零件編號6305-2Z/C3GJN
BrandSKF
HK$178.39
單位
25mm 62mm Deep Groove 17mm Shielded - 1 11.6kN Steel Ceramic Steel - Plain 23.4kN
RS庫存編號 612-6164
製造零件編號6000DDM3MTLY121
BrandNMB
HK$19.765
/個 (每包:2個)
單位
10mm 26mm - 8mm Sealed - 1 1.97kN Steel Chromium Steel Chromium Steel Chromium Steel Plain 4.578kN
RS庫存編號 286-7849
製造零件編號626-2Z
BrandSKF
HK$38.57
單位
6mm 19mm Deep Groove 6mm Shielded - 1 950N Steel Steel Steel Steel Plain 2.34kN
RS庫存編號 612-5947
製造零件編號DDL-1790ZZRA5P25LY121
BrandNMB
HK$45.655
/個 (每包:2個)
單位
9mm 17mm Radial 5mm Shielded - 1 813N Steel Martensitic Stainless Steel Metallic Ribbon Steel Martensitic Stainless Steel Plain 1.724kN
RS庫存編號 285-0958
製造零件編號6206-2RS1
BrandSKF
HK$97.85
單位
30mm 62mm Deep Groove 16mm Sealed - 1 11.2kN Steel Steel Steel Steel Plain 20.3kN
全新
RS庫存編號 187-9518
製造零件編號7207-B-XL-MP-UA
BrandFAG
HK$1,037.54
單位
35mm 72mm Angular Contact 17mm Open - 1 19000N Steel Steel Brass Steel Plain 28000N
RS庫存編號 174-1017
製造零件編號607-2RS
BrandFAG
HK$44.42
單位
- - - - - - - - - - - - - -
RS庫存編號 506-432
製造零件編號1208EKTN9
BrandSKF
HK$315.00
單位
40mm 80mm Self Aligning 18mm Open - 2 6.95kN Steel - Fibreglass Reinforced PA - Plain 19.9kN
RS庫存編號 764-3496
製造零件編號6012
BrandSKF
HK$179.50
單位
60mm 95mm Deep Groove 18mm Open - 1 23.2kN Steel - Steel - Plain 30.7kN
RS庫存編號 893-0328
製造零件編號W61805-2RS1
BrandSKF
HK$473.11
單位
25mm 37mm Deep Groove 7mm Sealed - 1 2.5kN Stainless Steel Stainless Steel Stainless Steel Stainless Steel Plain 3.38kN
全新
RS庫存編號 187-9533
製造零件編號7311-B-XL-TVP
BrandFAG
HK$1,337.60
單位
55mm 120mm Angular Contact 29mm Open - 1 61000N Steel Steel Polyamide Steel Plain 86000N
RS庫存編號 126-2579
製造零件編號6308NR
BrandSKF
HK$398.91
單位
40mm 90mm Deep Groove 23mm Open - 1 24kN Steel Steel Steel Steel Plain 42.3kN
RS庫存編號 667-1002
製造零件編號6003-2Z/C3
BrandSKF
HK$51.30
單位
17mm 35mm Deep Groove 10mm Shielded - 1 3.25kN Steel - Steel - Plain 6.37kN
RS庫存編號 137-1595
製造零件編號6003-2Z-C3
BrandFAG
HK$51.66
單位
17mm 35mm Deep Groove 10mm Double Shielded - 1 3250N Steel - Steel - Plain 6400N
RS庫存編號 764-3645
製造零件編號6004ZZC3
BrandNSK
HK$59.25
單位
20mm 42mm Deep Groove 12mm Shielded - 1 5kN Steel - Pressed Steel - Plain 9.4kN
RS庫存編號 619-0474
BrandRS PRO
HK$48.89
單位
25mm 62mm Deep Groove 17mm Sealed - 1 11.6kN Steel - - - Plain 22.5kN
RS庫存編號 137-1586
製造零件編號6001-C-2HRS
BrandFAG
HK$49.00
單位
12mm 28mm Deep Groove 8mm Sealed - 1 2370N Steel - Steel - Plain 5500N
RS庫存編號 747-743
製造零件編號DDR1340ZZMTRA5P24LY121
BrandNMB
HK$33.40
/個 (每包:2個)
單位
4mm 13mm Radial 5mm Shielded - 1 487N Steel Martensitic Stainless Steel - Martensitic Stainless Steel Plain 1.306kN
RS庫存編號 285-0526
製造零件編號61801-2RS1
BrandSKF
HK$97.41
單位
12mm 21mm Deep Groove 5mm Sealed - 1 670N Steel Steel Steel Steel Plain 1.43kN
RS庫存編號 285-1608
製造零件編號7210 BEP
BrandSKF
HK$363.63
單位
50mm 90mm Angular Contact 20mm Open - 1 28.5kN Steel - Fibreglass Reinforced Nylon 66 - Plain 37.7kN