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. 477-7029
Mfr. Part No.TLK110 30X41
BrandLenze
MYR169.94
Each
units
30mm 41mm 62mm 51mm 510Nm - -40°C +300°C
RS Stock No. 477-6947
Mfr. Part No.TLK110 10X16
BrandLenze
MYR114.66
Each
units
10mm 16mm 28mm 30mm 49Nm - -40°C +300°C
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. 477-6975
Mfr. Part No.TLK110 14X23
BrandLenze
MYR134.21
Each
units
14mm 23mm 38mm 30mm 68Nm - -40°C +300°C
RS Stock No. 477-6739
Mfr. Part No.ETP CLASSIC 40MM
BrandLenze
MYR1,125.27
Each
units
70mm 40mm 53mm 68mm 940Nm Steel -30°C +85°C
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. 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. 477-6638
Mfr. Part No.ETP CLASSIC 20MM
BrandLenze
MYR760.00
Each
units
45mm 20mm 28mm 42mm 125Nm Steel -30°C +85°C
RS Stock No. 488-8034
Mfr. Part No.R6-111 171
BrandLenze
MYR250.02
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
MYR804.46
Each
units
34mm - 49mm 43mm 250Nm Steel -30°C +85°C
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. 477-6903
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
MYR948.97
Each
units
24mm 20mm 51.5mm 44mm 110Nm Steel -30°C +85°C
RS Stock No. 477-6919
Mfr. Part No.ETP EXPRESS 45MM
BrandLenze
MYR1,288.75
Each
units
54mm 45mm 93mm 78mm 1400Nm Steel -30°C +85°C
RS Stock No. 477-6789
Mfr. Part No.ETP EXPRESS 15MM
BrandLenze
MYR1,001.21
Each
units
18mm 15mm 46mm 39mm 46Nm Steel -30°C +85°C
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
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
RS Stock No. 477-6925
Mfr. Part No.ETP EXPRESS 50MM
BrandLenze
MYR1,338.22
Each
units
60mm 50mm 98.5mm 80mm 1900Nm Steel -30°C +85°C
RS Stock No. 488-8062
Mfr. Part No.R6-212 786
BrandLenze
MYR279.65
Each
units
14mm 22mm 35mm 31.5mm 48Nm 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