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. 488-8034
Mfr. Part No.R6-111 171
BrandLenze
HK$480.71
Each
units
11mm 18mm 30mm 29.5mm 25Nm Steel -30°C +85°C
RS Stock No. 477-6666
Mfr. Part No.ETP CLASSIC 25MM
BrandLenze
HK$1,380.81
Each
units
34mm - 49mm 43mm 250Nm Steel -30°C +85°C
RS Stock No. 106-5536
Mfr. Part No.TLK110 16 X 24 mm
BrandTOLLOCK
HK$238.62
Each
units
16mm 24mm 44mm 42mm 180Nm - -40°C +300°C
RS Stock No. 477-6650
Mfr. Part No.ETP CLASSIC 24MM
BrandLenze
HK$996.42
Each
units
49mm 24mm 34mm 45mm 200Nm Steel -30°C +85°C
RS Stock No. 477-6846
Mfr. Part No.ETP EXPRESS 25MM
BrandLenze
HK$1,903.04
Each
units
30mm 25mm 58mm 49mm 230Nm Steel -30°C +85°C
RS Stock No. 488-8028
Mfr. Part No.R6-56 441
BrandLenze
HK$457.94
Each
units
10mm 16mm 28mm 28mm 23Nm Steel -30°C +85°C
RS Stock No. 488-8012
Mfr. Part No.R6-111 147
BrandLenze
HK$431.06
Each
units
8mm 15mm 27mm 25.5mm 17Nm Steel -30°C +85°C
RS Stock No. 2509172801
Mfr. Part No.SL-110B
HK$37.94
Each
units
- - - - - - - -
RS Stock No. 2508937786
Mfr. Part No.114
BrandAbbatron
HK$267.54
1 Pack of 5
Pack(s)
- - - - - - - -
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