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 778-5023
BrandRS PRO
HK$116.90
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22mm 45mm 47.5mm 316Nm Steel
RS庫存編號 754-2548
製造零件編號6202200UP
HK$462.24
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7/8in 1-3/4in 1-7/8in - Carbon Steel
RS庫存編號 814-900
製造零件編號6202740
HK$323.41
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14mm 22.5mm 28.6mm 44Nm Carbon Steel
RS庫存編號 754-2586
製造零件編號6202840UP
HK$584.92
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32mm 51mm 57.2mm 680Nm Carbon Steel
RS庫存編號 778-5017
BrandRS PRO
HK$156.87
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18mm 38mm 38mm 266Nm Steel
RS庫存編號 778-5014
BrandRS PRO
HK$159.03
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20mm 45mm 47.5mm 290Nm Steel
RS庫存編號 754-2582
製造零件編號6202835UP
HK$564.86
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30mm 51mm 57.2mm 580Nm Carbon Steel
RS庫存編號 754-2576
製造零件編號6202820UP
HK$436.93
單位
24mm 45mm 47.6mm 380Nm Carbon Steel