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 505-603
製造零件編號3307ATN9
BrandSKF
HK$650.00
單位
35mm 80mm Angular Contact 34.9mm Open - 2 35.5kN Steel - Fibreglass Reinforced Nylon 66 - Plain 52kN
RS庫存編號 612-5745
製造零件編號DDL-730ZZHA1P25LY121
BrandNMB
HK$25.19
/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 747-800
製造零件編號DDL1280ZZMTHA5P24LY121
BrandNMB
HK$65.46
/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 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 492-2099
製造零件編號6800ZZ
BrandNSK
HK$96.92
單位
10mm 19mm Deep Groove 5mm Shielded - 1 840N Steel - Steel - Plain 1.72kN
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 408-9849
製造零件編號627ZZ
BrandNSK
HK$41.07
單位
7mm 22mm Deep Groove 7mm Shielded - 1 1.37kN Steel - Steel - Plain 3.3kN
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 285-0964
製造零件編號6207-2RS1
BrandSKF
HK$132.31
單位
35mm 72mm Deep Groove 17mm Sealed - 1 15.3kN Steel - Steel - Plain 27kN
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 747-670
製造零件編號DDRI-814ZZMTRA5P24LY121
BrandNMB
HK$39.845
/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 506-006
製造零件編號6313/C3
BrandSKF
HK$990.00
單位
65mm 140mm Deep Groove 33mm Open - 1 60kN Steel - Steel - Plain 97.5kN
RS庫存編號 540-306
製造零件編號DDLF-1360ZZMTRA5P24LY121
BrandNMB
HK$80.27
/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 409-0350
製造零件編號6200ZZ
BrandNSK
HK$41.61
單位
10mm 30mm Deep Groove 9mm Shielded - 1 2.39kN Steel - Steel - Plain 5.1kN
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 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 764-3714
製造零件編號6203ZZC3
BrandNSK
HK$43.33
單位
17mm 40mm Deep Groove 12mm Shielded - 1 4.8kN Steel - Pressed Steel - Plain 9.55kN
RS庫存編號 612-6041
製造零件編號DDLF-740ZZHA1P25LY121
BrandNMB
HK$41.015
/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 619-0036
BrandRS PRO
HK$14.45
單位
8mm 22mm Miniature 7mm Shielded - 1 1.379kN Steel - - - Plain 3.293kN
RS庫存編號 747-642
製造零件編號DDR-3ZZMTRA5P24LY121
BrandNMB
HK$31.58
/個 (每包:2個)
單位
4.77mm 12.7mm Radial 3.96mm Shielded - 1 487N Steel Martensitic Stainless Steel Metallic Ribbon Steel Martensitic Stainless Steel Plain 1.306kN