Keyless Bushes

Keyless bushes are a type of cylindrical metal bearing that is used in power transmission in pneumatic and hydraulic systems. They provide a connection between a shaft and a hub and fit onto the shaft without marking it, which means that they eliminate the wear and tear caused to mounted components by other types of bushings, such as taper bushes or connections.

How do keyless bushes work?

Keyless bushes are mounted onto a shaft and then kept there using hydraulic pressure, which means that there is less chance of any micro-movement, which can sometimes cause fretting, where the part is worn away. You simply need to set them in position and lock them with a torque wrench. After installation they are easy to adjust both radially (around the shaft) and axially (parallel to the shaft), meaning there is minimal time where the machine or part is out of action.

Types of keyless bushes

Keyless bushes all function similarly, but they come in varying sizes in terms of both their shaft diameter and outside diameter, as well as having a broad range of maximum torque, which is the rotational force that can be applied to the bush.


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Description Price Shaft Diameter Outside Diameter Length Rated Torque Material
RS庫存編號 778-4950
BrandRS PRO
HK$148.49
單位
12mm 22.5mm 25.5mm 39Nm Steel
RS庫存編號 814-843
製造零件編號6202660
HK$322.15
單位
6mm 16mm 19.1mm 16Nm Carbon Steel
RS庫存編號 814-865
製造零件編號6202690
HK$336.45
單位
9mm 19mm 22.2mm 26Nm Carbon Steel
RS庫存編號 778-4960
BrandRS PRO
HK$173.54
單位
17mm 32mm 35mm 170.2Nm Steel
RS庫存編號 778-4948
BrandRS PRO
HK$139.57
單位
10mm 22.5mm 25.5mm 30.2Nm Steel
RS庫存編號 778-4938
BrandRS PRO
HK$122.41
單位
6mm 16mm 19mm 15.7Nm Steel
RS庫存編號 778-4944
BrandRS PRO
HK$127.21
單位
9mm 19mm 22mm 26.1Nm Steel
RS庫存編號 778-4935
BrandRS PRO
HK$108.57
單位
5mm 16mm 19mm 11.8Nm Steel