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. 477-6694
Mfr. Part No.ETP CLASSIC 30MM
BrandLenze
TWD6,093.00
Each
units
57mm 30mm 41mm 52mm 420Nm Steel -30°C +85°C
RS Stock No. 477-6789
Mfr. Part No.ETP EXPRESS 15MM
BrandLenze
TWD6,856.00
Each
units
18mm 15mm 46mm 39mm 46Nm Steel -30°C +85°C
RS Stock No. 477-6874
Mfr. Part No.ETP EXPRESS 32MM
BrandLenze
TWD6,181.00
Each
units
39mm 32mm 68.5mm 56mm 440Nm Steel -30°C +85°C
RS Stock No. 477-6616
Mfr. Part No.ETP CLASSIC 15MM
BrandLenze
TWD4,917.00
Each
units
38mm 15mm 23mm 35mm 55Nm Steel -30°C +85°C
RS Stock No. 477-6852
Mfr. Part No.ETP EXPRESS 30MM
BrandLenze
TWD8,345.00
Each
units
36mm 30mm 64.5mm 54mm 380Nm Steel -30°C +85°C
RS Stock No. 477-6638
Mfr. Part No.ETP CLASSIC 20MM
BrandLenze
TWD5,066.00
Each
units
45mm 20mm 28mm 42mm 125Nm Steel -30°C +85°C
RS Stock No. 188-3180
Mfr. Part No.7012 - 24x50
BrandRingfeder
TWD2,138.00
Each
units
- 50mm - 27.5mm - - - -
RS Stock No. 188-3181
Mfr. Part No.7012 - 25x50
BrandRingfeder
TWD2,138.00
Each
units
- 50mm - 27.5mm - - - -
RS Stock No. 188-3182
Mfr. Part No.7012 - 28x55
BrandRingfeder
TWD2,138.00
Each
units
- 55mm - 27.5mm - - - -
RS Stock No. 477-6931
Mfr. Part No.TLK110 8X15
BrandLenze
TWD830.00
Each
units
8mm 15mm 27mm 29mm 29Nm - -40°C +300°C
RS Stock No. 188-3195
Mfr. Part No.7012 - 65x95
BrandRingfeder
TWD3,061.00
Each
units
- 95mm - 33.5mm - - - -
RS Stock No. 188-3191
Mfr. Part No.7012 - 50x80
BrandRingfeder
TWD2,695.00
Each
units
- 80mm - 33.5mm - - - -
RS Stock No. 188-3183
Mfr. Part No.7012 - 30x55
BrandRingfeder
TWD2,138.00
Each
units
- 55mm - 27.5mm - - - -
RS Stock No. 477-6947
Mfr. Part No.TLK110 10X16
BrandLenze
TWD855.00
Each
units
10mm 16mm 28mm 30mm 49Nm - -40°C +300°C
RS Stock No. 188-3196
Mfr. Part No.7012 - 70x110
BrandRingfeder
TWD3,654.00
Each
units
- 110mm - 39.5mm - - - -
RS Stock No. 188-3192
Mfr. Part No.7012 - 55x85
BrandRingfeder
TWD2,817.00
Each
units
- 85mm - 33.5mm - - - -
RS Stock No. 477-6701
Mfr. Part No.ETP CLASSIC 32MM
BrandLenze
TWD4,942.00
Each
units
60mm 32mm 43mm 57mm 420Nm Steel -30°C +85°C
RS Stock No. 188-3184
Mfr. Part No.7012 - 32x60
BrandRingfeder
TWD2,198.00
Each
units
- 60mm - 27.5mm - - - -
RS Stock No. 477-6925
Mfr. Part No.ETP EXPRESS 50MM
BrandLenze
TWD9,405.00
Each
units
60mm 50mm 98.5mm 80mm 1900Nm Steel -30°C +85°C
RS Stock No. 188-3170
Mfr. Part No.4061 - 68x115
BrandRingfeder
TWD3,084.00
Each
units
50 mm, 55 mm, 60 mm 115mm - 34.5mm 2350 nm, 2850 nm, 3600 nm - - -