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 Stock No. 814-859
Mfr. Part No.6202680
TWD1,364.00
Each
units
8mm 19mm 22.2mm 23Nm Carbon Steel
RS Stock No. 814-922
Mfr. Part No.6202760
TWD1,531.00
Each
units
16mm 25.5mm 28.6mm 22.6Nm Carbon Steel
RS Stock No. 754-2551
Mfr. Part No.6202320UP
TWD3,187.00
Each
units
1-1/4in 2in 2-1/4in - Carbon Steel
RS Stock No. 754-2595
Mfr. Part No.6202850UP
TWD3,366.00
Each
units
35mm 60.5mm 69.9mm 725Nm Carbon Steel
RS Stock No. 778-5023
BrandRS PRO
TWD569.00
Each
units
22mm 45mm 47.5mm 316Nm Steel
RS Stock No. 754-2554
Mfr. Part No.6202400UP
TWD3,460.00
Each
units
1-1/2in 2-3/8in 2-3/4in - Carbon Steel
RS Stock No. 814-944
Mfr. Part No.6202109
TWD1,546.00
Each
units
3/8in 3/4in 7/8in 250Nm Carbon Steel
RS Stock No. 778-5014
BrandRS PRO
TWD800.00
Each
units
20mm 45mm 47.5mm 290Nm Steel
RS Stock No. 778-5026
BrandRS PRO
TWD1,491.00
Each
units
24mm 45mm 47.5mm 380Nm Steel
RS Stock No. 778-4935
BrandRS PRO
TWD421.00
Each
units
5mm 16mm 19mm 11.8Nm Steel
RS Stock No. 814-871
Mfr. Part No.6202700
TWD1,416.00
Each
units
10mm 22.5mm 25.7mm 30Nm Carbon Steel
RS Stock No. 778-4941
BrandRS PRO
TWD481.00
Each
units
8mm 19mm 22mm 22.9Nm Steel
RS Stock No. 754-2589
Mfr. Part No.6202830UP
TWD2,864.00
Each
units
28mm 51mm 57.2mm 495Nm Carbon Steel
RS Stock No. 814-966
Mfr. Part No.6202115
TWD1,732.00
Each
units
5/8in 1in 1-1/8in 450Nm Carbon Steel
RS Stock No. 814-887
Mfr. Part No.6202710
TWD1,388.00
Each
units
11mm 22.5mm 25.7mm 34Nm Carbon Steel
RS Stock No. 778-4963
BrandRS PRO
TWD583.00
Each
units
15mm 25.5mm 28.5mm 15.1Nm Steel
RS Stock No. 778-4957
BrandRS PRO
TWD408.00
Each
units
11mm 22.5mm 25.5mm 34.1Nm Steel
RS Stock No. 754-2560
Mfr. Part No.6202805UP
TWD1,916.00
Each
units
18mm 38mm 38.1mm 265Nm Carbon Steel
RS Stock No. 754-2582
Mfr. Part No.6202835UP
TWD2,895.00
Each
units
30mm 51mm 57.2mm 580Nm Carbon Steel
RS Stock No. 814-893
Mfr. Part No.6202720
TWD1,388.00
Each
units
12mm 22.5mm 25.7mm 39Nm Carbon Steel