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
New
RS Stock No. 188-3181
Mfr. Part No.7012 - 25x50
BrandRingfeder
MYR307.15
Each
units
- 50mm - 27.5mm - - - -
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. 188-3195
Mfr. Part No.7012 - 65x95
BrandRingfeder
MYR439.60
Each
units
- 95mm - 33.5mm - - - -
New
RS Stock No. 188-3177
Mfr. Part No.7012 - 19x47
BrandRingfeder
MYR297.88
Each
units
- 47mm - 27.5mm - - - -
RS Stock No. 477-6616
Mfr. Part No.ETP CLASSIC 15MM
BrandLenze
MYR785.13
Each
units
38mm 15mm 23mm 35mm 55Nm Steel -30°C +85°C
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. 188-3180
Mfr. Part No.7012 - 24x50
BrandRingfeder
MYR307.15
Each
units
- 50mm - 27.5mm - - - -
New
RS Stock No. 188-3192
Mfr. Part No.7012 - 55x85
BrandRingfeder
MYR404.48
Each
units
- 85mm - 33.5mm - - - -
RS Stock No. 477-6846
Mfr. Part No.ETP EXPRESS 25MM
BrandLenze
MYR1,071.10
Each
units
30mm 25mm 58mm 49mm 230Nm 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
New
RS Stock No. 188-3183
Mfr. Part No.7012 - 30x55
BrandRingfeder
MYR307.15
Each
units
- 55mm - 27.5mm - - - -
New
RS Stock No. 188-3199
Mfr. Part No.7012 - 85x125
BrandRingfeder
MYR540.85
Each
units
- 125mm - 39.5mm - - - -
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. 188-3191
Mfr. Part No.7012 - 50x80
BrandRingfeder
MYR386.97
Each
units
- 80mm - 33.5mm - - - -
New
RS Stock No. 188-3202
Mfr. Part No.7012 - 95x135
BrandRingfeder
MYR588.85
Each
units
- 135mm - 39.5mm - - - -
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. 188-3161
Mfr. Part No.4061 - 36x72
BrandRingfeder
MYR232.99
Each
units
28 mm, 30 mm, 31 mm 72mm - 27.5mm 730 nm, 860 nm, 890 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. 477-6818
Mfr. Part No.ETP EXPRESS 20MM
BrandLenze
MYR849.74
Each
units
24mm 20mm 51.5mm 44mm 110Nm Steel -30°C +85°C
New
RS Stock No. 188-3154
Mfr. Part No.4061 - 16x41
BrandRingfeder
MYR171.08
Each
units
12 mm, 13 mm, 14 mm 41mm - 18.5mm 90 nm, 110 nm, 130 nm - - -
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 ...
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Description:
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