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 747-670
製造零件編號DDRI-814ZZMTRA5P24LY121
BrandNMB
HK$51.995
/個 (每包:2個)
單位
6.35mm 12.7mm Radial 4.77mm Shielded - 1 374N Steel Martensitic Stainless Steel Metallic Ribbon Steel Martensitic Stainless Steel Plain 828N
RS庫存編號 719-2046
製造零件編號E2.6203-2Z/C3
BrandSKF
HK$44.60
單位
17mm 40mm Deep Groove 12mm Shielded - 1 4.75kN Steel - Fibreglass Reinforced Composite Polymer - Plain 9.56kN
RS庫存編號 893-0283
製造零件編號W607-2RS1
BrandSKF
HK$96.66
單位
7mm 19mm Deep Groove 6mm Sealed - 1 585N Stainless Steel Stainless Steel Stainless Steel Stainless Steel Plain 1.53kN
RS庫存編號 619-0323
製造零件編號6804-2RS
BrandRS PRO
HK$40.84
單位
20mm 32mm Deep Groove 7mm Sealed - 1 1.5kN Steel - - - Plain 2.7kN
RS庫存編號 505-996
製造零件編號6314/C3
BrandSKF
HK$1,097.32
單位
70mm 150mm Deep Groove 35mm Open - 1 68kN Steel - Steel - Plain 111kN
RS庫存編號 893-0347
製造零件編號W61904-2RS1
BrandSKF
HK$264.32
單位
20mm 37mm Deep Groove 9mm Sealed - 1 3.65kN Stainless Steel Stainless Steel Stainless Steel Stainless Steel Plain 5.53kN
RS庫存編號 667-1021
製造零件編號607-2Z/C3
BrandSKF
HK$37.98
單位
7mm 19mm Deep Groove 6mm Shielded - 1 950N Steel - Steel - Plain 2.34kN
RS庫存編號 286-8050
製造零件編號6206-2Z
BrandSKF
HK$88.89
單位
30mm 62mm Deep Groove 16mm Shielded - 1 11.2kN Steel - Steel - Plain 20.3kN
RS庫存編號 286-7833
製造零件編號626
BrandSKF
HK$36.04
單位
6mm 19mm Deep Groove 6mm Open - 1 950N Steel - Steel - Plain 2.34kN
RS庫存編號 764-3714
製造零件編號6203ZZC3
BrandNSK
HK$52.85
單位
17mm 40mm Deep Groove 12mm Shielded - 1 4.8kN Steel - Pressed Steel - Plain 9.55kN
RS庫存編號 747-800
製造零件編號DDL1280ZZMTHA5P24LY121
BrandNMB
HK$66.18
/個 (每包:2個)
單位
8mm 12mm Radial 3.5mm Shielded - 1 246N Steel Martensitic Stainless Steel - Martensitic Stainless Steel Plain 506N
RS庫存編號 285-0790
製造零件編號623
BrandSKF
HK$33.30
單位
3mm 10mm Deep Groove 4mm Open - 1 180N - - Steel - Plain 540N
RS庫存編號 540-306
製造零件編號DDLF-1360ZZMTRA5P24LY121
BrandNMB
HK$81.165
/個 (每包:2個)
單位
6mm 13mm Radial 5mm Shielded 15mm 1 438N Steel Martensitic Stainless Steel Metallic Ribbon Steel Martensitic Stainless Steel Flanged 1.083kN
RS庫存編號 286-7883
製造零件編號629
BrandSKF
HK$37.64
單位
9mm 26mm Deep Groove 8mm Open - 1 1.96kN Steel - Steel - Plain 4.75kN
RS庫存編號 505-603
製造零件編號3307ATN9
BrandSKF
HK$662.49
單位
35mm 80mm Angular Contact 34.9mm Open - 2 35.5kN Steel - Fibreglass Reinforced Nylon 66 - Plain 52kN
RS庫存編號 612-6041
製造零件編號DDLF-740ZZHA1P25LY121
BrandNMB
HK$48.565
/個 (每包:2個)
單位
4mm 7mm Radial 2.5mm Shielded 8.2mm 1 106N Steel Martensitic Stainless Steel Metallic Crown Steel Martensitic Stainless Steel Flanged 250N
RS庫存編號 409-0350
製造零件編號6200ZZ
BrandNSK
HK$42.10
單位
10mm 30mm Deep Groove 9mm Shielded - 1 2.39kN Steel - Steel - Plain 5.1kN
RS庫存編號 409-0057
製造零件編號6001ZZ
BrandNSK
HK$50.64
單位
12mm 28mm Deep Groove 8mm Shielded - 1 2.37kN Steel - Steel - Plain 5.1kN
RS庫存編號 612-5745
製造零件編號DDL-730ZZHA1P25LY121
BrandNMB
HK$31.805
/個 (每包:2個)
單位
3mm 7mm Radial 3mm Shielded - 1 129N Steel Martensitic Stainless Steel Metallic Crown Steel Martensitic Stainless Steel Plain 384N
RS庫存編號 619-0036
製造零件編號608-2Z
BrandRS PRO
HK$21.05
單位
8mm 22mm Miniature 7mm Shielded - 1 1.379kN Steel - - - Plain 3.293kN