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. 477-6874
Mfr. Part No.ETP EXPRESS 32MM
BrandLenze
MYR882.79
Each
units
39mm 32mm 68.5mm 56mm 440Nm Steel -30°C +85°C
RS Stock No. 477-6947
Mfr. Part No.TLK110 10X16
BrandLenze
MYR106.84
Each
units
10mm 16mm 28mm 30mm 49Nm - -40°C +300°C
RS Stock No. 477-7029
Mfr. Part No.TLK110 30X41
BrandLenze
MYR169.94
Each
units
30mm 41mm 62mm 51mm 510Nm - -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 - - -
New
RS Stock No. 188-3186
Mfr. Part No.7012 - 38x65
BrandRingfeder
MYR326.30
Each
units
- 65mm - 27.5mm - - - -
RS Stock No. 477-6824
Mfr. Part No.ETP EXPRESS 22MM
BrandLenze
MYR724.16
Each
units
27mm 22mm 55.5mm 46mm 130Nm 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 - - -
RS Stock No. 488-8012
Mfr. Part No.R6-111 147
BrandLenze
MYR208.89
Each
units
8mm 15mm 27mm 25.5mm 17Nm Steel -30°C +85°C
RS Stock No. 477-6931
Mfr. Part No.TLK110 8X15
BrandLenze
MYR124.90
Each
units
8mm 15mm 27mm 29mm 29Nm - -40°C +300°C
RS Stock No. 477-6701
Mfr. Part No.ETP CLASSIC 32MM
BrandLenze
MYR642.24
Each
units
60mm 32mm 43mm 57mm 420Nm Steel -30°C +85°C
RS Stock No. 477-6953
Mfr. Part No.TLK110 12X18
BrandLenze
MYR114.51
Each
units
12mm 18mm 32mm 30mm 58Nm - -40°C +300°C
RS Stock No. 477-6751
Mfr. Part No.ETP CLASSIC 50MM
BrandLenze
MYR1,426.07
Each
units
83mm 50mm 65mm 82mm 1900Nm Steel -30°C +85°C
New
RS Stock No. 188-3190
Mfr. Part No.7012 - 48x80
BrandRingfeder
MYR386.97
Each
units
- 80mm - 33.5mm - - - -
RS Stock No. 488-8028
Mfr. Part No.R6-56 441
BrandLenze
MYR269.36
Each
units
10mm 16mm 28mm 28mm 23Nm Steel -30°C +85°C
New
RS Stock No. 188-3174
Mfr. Part No.4061 - 85x155
BrandRingfeder
MYR681.65
Each
units
60 mm, 65 mm, 70 mm 155mm - 45.8mm 6050 nm, 7250 nm, 8500 nm - - -
New
RS Stock No. 188-3167
Mfr. Part No.4061 - 50x90
BrandRingfeder
MYR344.54
Each
units
38 mm, 40 mm, 42 mm 90mm - 31.5mm 1650 nm, 1900 nm, 2150 nm - - -
New
RS Stock No. 188-3173
Mfr. Part No.4061 - 80x145
BrandRingfeder
MYR614.60
Each
units
60 mm, 65 mm, 70 mm 145mm - 37.8mm 4000 nm, 4900 nm, 5750 nm - - -
New
RS Stock No. 188-3164
Mfr. Part No.4061 - 44x80
BrandRingfeder
MYR301.17
Each
units
32 mm, 35 mm, 36 mm 80mm - 30mm 1000 nm, 1250 nm, 1350 nm - - -
RS Stock No. 477-6903
Mfr. Part No.ETP EXPRESS 40MM
BrandLenze
MYR1,507.03
Each
units
48mm 40mm 86.5mm 75mm 1100Nm Steel -30°C +85°C
RS Stock No. 106-5535
Mfr. Part No.TLK110 15 X 24 mm
BrandTOLLOCK
MYR135.50
Each
units
15mm 24mm 44mm 42mm 170Nm - -40°C +300°C
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.
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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 ...