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. 778-4966
BrandRS PRO
R 303.08
Each
units
16mm 25.5mm 28.5mm 53Nm Steel
RS stock no. 814-900
Mfr. Part No.6202740
R 779.30
Each
units
14mm 22.5mm 28.6mm 44Nm Carbon Steel
RS stock no. 814-922
Mfr. Part No.6202760
R 774.44
Each
units
16mm 25.5mm 28.6mm 22.6Nm Carbon Steel
RS stock no. 778-4950
BrandRS PRO
R 299.02
Each
units
12mm 22.5mm 25.5mm 39Nm Steel
RS stock no. 778-4938
BrandRS PRO
R 244.36
Each
units
6mm 16mm 19mm 15.7Nm Steel
RS stock no. 778-4935
BrandRS PRO
R 218.00
Each
units
5mm 16mm 19mm 11.8Nm Steel
RS stock no. 814-893
Mfr. Part No.6202720
R 700.10
Each
units
12mm 22.5mm 25.7mm 39Nm Carbon Steel
RS stock no. 814-859
Mfr. Part No.6202680
R 664.54
Each
units
8mm 19mm 22.2mm 23Nm Carbon Steel
RS stock no. 814-950
Mfr. Part No.6202112
R 706.76
Each
units
1/2in 7/8in 1in 350Nm Carbon Steel
RS stock no. 778-4960
BrandRS PRO
R 361.95
Each
units
17mm 32mm 35mm 170.2Nm Steel
RS stock no. 778-4941
BrandRS PRO
R 249.61
Each
units
8mm 19mm 22mm 22.9Nm Steel
RS stock no. 778-4963
BrandRS PRO
R 300.43
Each
units
15mm 25.5mm 28.5mm 15.1Nm Steel
RS stock no. 754-2554
Mfr. Part No.6202400UP
R 1,871.86
Each
units
1-1/2in 2-3/8in 2-3/4in - Carbon Steel
RS stock no. 778-4944
BrandRS PRO
R 255.25
Each
units
9mm 19mm 22mm 26.1Nm Steel
RS stock no. 778-5020
BrandRS PRO
R 510.21
Each
units
25mm 45mm 47.5mm 392Nm Steel
RS stock no. 778-5026
BrandRS PRO
R 798.13
Each
units
24mm 45mm 47.5mm 380Nm Steel
RS stock no. 754-2548
Mfr. Part No.6202200UP
R 1,231.39
Each
units
7/8in 1-3/4in 1-7/8in - Carbon Steel
RS stock no. 754-2560
Mfr. Part No.6202805UP
R 990.08
Each
units
18mm 38mm 38.1mm 265Nm Carbon Steel
RS stock no. 814-865
Mfr. Part No.6202690
R 656.21
Each
units
9mm 19mm 22.2mm 26Nm Carbon Steel
RS stock no. 754-2576
Mfr. Part No.6202820UP
R 1,177.98
Each
units
24mm 45mm 47.6mm 380Nm Carbon Steel