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. 477-6880
Mfr. Part No.ETP EXPRESS 35MM
BrandLenze
MYR1,381.17
Each
units
42mm 72mm 35mm 59mm 640Nm Steel -30°C +85°C
RS Stock No. 477-6975
Mfr. Part No.TLK110 14X23
BrandLenze
MYR134.21
Each
units
14mm 23mm 38mm 30mm 68Nm - -40°C +300°C
New
RS Stock No. 188-3168
Mfr. Part No.4061 - 55x100
BrandRingfeder
MYR385.53
Each
units
42 mm, 45 mm, 48 mm 100mm - 34.5mm 1600 nm, 1950 nm, 2300 nm - - -
RS Stock No. 477-6650
Mfr. Part No.ETP CLASSIC 24MM
BrandLenze
MYR544.79
Each
units
49mm 24mm 34mm 45mm 200Nm Steel -30°C +85°C
New
RS Stock No. 188-3157
Mfr. Part No.4061 - 21x50
BrandRingfeder
MYR186.33
Each
units
16 mm, 17 mm, 18 mm 50mm - 22.5mm 250 nm, 290 nm, 330 nm - - -
New
RS Stock No. 188-3153
Mfr. Part No.4061 - 14x37
BrandRingfeder
MYR171.08
Each
units
10 mm, 11 mm, 12 mm 37mm - 14.8mm 37.5 nm, 46 nm, 60 nm - - -
New
RS Stock No. 188-3158
Mfr. Part No.4061 - 24x50
BrandRingfeder
MYR186.33
Each
units
19 mm, 20 mm, 21 mm 50mm - 22.5mm 300 nm, 340 nm, 390 nm - - -
RS Stock No. 2509172801
Mfr. Part No.SL-110B
MYR15.18
Each
units
- - - - - - - -
RS Stock No. 2508937786
Mfr. Part No.114
BrandAbbatron
MYR107.02
1 Pack of 5
Pack(s)
- - - - - - - -
Related Products
Tollok manufactures highly engineered shaft locking devices for ...
Description:
Tollok manufactures highly engineered shaft locking devices for the power generation, process industries, and general industrial applications. For more than 35 years their products have been used to secure rotating shafts, manage torque transmission, and counteract shaft bending and vibration.These ...
Tollok manufactures highly engineered shaft locking devices for ...
Description:
Tollok manufactures highly engineered shaft locking devices for the power generation, process industries, and general industrial applications. For more than 35 years their products have been used to secure rotating shafts, manage torque transmission, and counteract shaft bending and vibration.These ...
Identical in design and function to the traditional ...
Description:
Identical in design and function to the traditional 7012 device, this unit is made of stainless steel for applications requiring rust free installation. Torque capacity is somewhat reduced due to the nature of stainless steel.
Unique hydraulic shaft to hub locking bush offering ...
Description:
Unique hydraulic shaft to hub locking bush offering infinite radial and axial adjustment. Designed for frequent operations for very accurate mounting of gears, pulleys, sprockets etc. High concentricity and self-centeringFast, easy locking and un-locking with few pressure screwsAutomatic release when ...