Locking Bushes

Locking bushes are keyless shaft locking devices which use friction to connect from a shaft to a hub. They are designed for ultra fast mounting of several elements such as gears, pulleys, and sprockets.

How do locking bushes work?

There are two main types of locking bushes which work in different ways. A mechanical locking bush has a number of axial bolts which are tightened to expand tapered cones which in turn grip the shaft and hub. Some locking bushes are designed for hydromechanical purposes, they work mostly by compressing a pressure medium that expands the inner and outer walls of the bush. Loosening the screw will immediately dismantle the bush. This can be repeated a number of times.

Why use locking bushes?

Locking bushes allow a connection without the need for keyways or splines and collars. They are useful where a very high accuracy is required. The main advantages of locking bushes include their easy dismantling, ease of setting, lower machining costs and a backlash free connection without wear or corrosion damage.


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Description Price Shaft Diameter Outside Diameter Flange Diameter Length Rated Torque Material Minimum Operating Temperature Maximum Operating Temperature
RS Stock No. 477-6818
Mfr. Part No.ETP EXPRESS 20MM
BrandLenze
$246.31
Each
units
24mm 20mm 51.5mm 44mm 110Nm Steel -30°C +85°C
RS Stock No. 477-6997
Mfr. Part No.TLK110 20X28
BrandLenze
$46.09
Each
units
20mm 28mm 50mm 44mm 220Nm - -40°C +300°C
RS Stock No. 477-6852
Mfr. Part No.ETP EXPRESS 30MM
BrandLenze
$290.19
Each
units
36mm 30mm 64.5mm 54mm 380Nm Steel -30°C +85°C
RS Stock No. 106-5535
Mfr. Part No.TLK110 15 X 24 mm
BrandTOLLOCK
$48.85
Each
units
15mm 24mm 44mm 42mm 170Nm - -40°C +300°C
RS Stock No. 477-6931
Mfr. Part No.TLK110 8X15
BrandLenze
$42.32
Each
units
8mm 15mm 27mm 29mm 29Nm - -40°C +300°C
RS Stock No. 477-6789
Mfr. Part No.ETP EXPRESS 15MM
BrandLenze
$238.94
Each
units
18mm 15mm 46mm 39mm 46Nm Steel -30°C +85°C
RS Stock No. 488-8006
Mfr. Part No.R6-111 139
BrandLenze
$58.04
Each
units
6mm 14mm 18mm 22mm 5Nm Steel -30°C +85°C
RS Stock No. 106-5536
Mfr. Part No.TLK110 16 X 24 mm
BrandTOLLOCK
$33.34
Each
units
16mm 24mm 44mm 42mm 180Nm - -40°C +300°C
RS Stock No. 477-6846
Mfr. Part No.ETP EXPRESS 25MM
BrandLenze
$258.26
Each
units
30mm 25mm 58mm 49mm 230Nm Steel -30°C +85°C
RS Stock No. 488-8012
Mfr. Part No.R6-111 147
BrandLenze
$60.55
Each
units
8mm 15mm 27mm 25.5mm 17Nm Steel -30°C +85°C
RS Stock No. 488-8034
Mfr. Part No.R6-111 171
BrandLenze
$67.49
Each
units
11mm 18mm 30mm 29.5mm 25Nm Steel -30°C +85°C
RS Stock No. 477-6616
Mfr. Part No.ETP CLASSIC 15MM
BrandLenze
$196.49
Each
units
38mm 15mm 23mm 35mm 55Nm Steel -30°C +85°C
RS Stock No. 106-5534
Mfr. Part No.TLK110 6 x 14 mm
BrandTOLLOCK
$31.23
Each
units
6mm 14mm 25mm 24mm 16Nm - -40°C +300°C
RS Stock No. 477-7029
Mfr. Part No.TLK110 30X41
BrandLenze
$45.85
Each
units
30mm 41mm 62mm 51mm 510Nm - -40°C +300°C
RS Stock No. 477-7091
Mfr. Part No.TLK110 19X27
BrandLenze
$33.63
Each
units
19mm 27mm 49mm 44mm 210Nm - -40°C +300°C
RS Stock No. 488-8062
Mfr. Part No.R6-212 786
BrandLenze
$126.35
Each
units
14mm 22mm 35mm 31.5mm 48Nm Steel -30°C +85°C
RS Stock No. 477-6694
Mfr. Part No.ETP CLASSIC 30MM
BrandLenze
$220.69
Each
units
57mm 30mm 41mm 52mm 420Nm Steel -30°C +85°C
RS Stock No. 477-6874
Mfr. Part No.ETP EXPRESS 32MM
BrandLenze
$442.06
Each
units
39mm 32mm 68.5mm 56mm 440Nm Steel -30°C +85°C
RS Stock No. 477-6701
Mfr. Part No.ETP CLASSIC 32MM
BrandLenze
$366.02
Each
units
60mm 32mm 43mm 57mm 420Nm Steel -30°C +85°C
RS Stock No. 106-5539
Mfr. Part No.TLK110 50 X 65 mm
BrandTOLLOCK
$79.95
Each
units
50mm 65mm 92mm 78mm 2600Nm - -40°C +300°C
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