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
MYR939.40
Each
units
39mm 32mm 68.5mm 56mm 440Nm Steel -30°C +85°C
RS Stock No. 477-7029
Mfr. Part No.TLK110 30X41
BrandLenze
MYR190.30
Each
units
30mm 41mm 62mm 51mm 510Nm - -40°C +300°C
RS Stock No. 477-6947
Mfr. Part No.TLK110 10X16
BrandLenze
MYR128.54
Each
units
10mm 16mm 28mm 30mm 49Nm - -40°C +300°C
RS Stock No. 488-8062
Mfr. Part No.R6-212 786
BrandLenze
MYR313.50
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
RS Stock No. 477-6824
Mfr. Part No.ETP EXPRESS 22MM
BrandLenze
MYR766.42
Each
units
27mm 22mm 55.5mm 46mm 130Nm Steel -30°C +85°C
RS Stock No. 477-7013
Mfr. Part No.TLK110 28X39
BrandLenze
MYR175.76
Each
units
28mm 39mm 61mm 51mm 465Nm - -40°C +300°C
RS Stock No. 477-6880
Mfr. Part No.ETP EXPRESS 35MM
BrandLenze
MYR1,428.95
Each
units
42mm 72mm 35mm 59mm 640Nm Steel -30°C +85°C
RS Stock No. 477-6931
Mfr. Part No.TLK110 8X15
BrandLenze
MYR124.80
Each
units
8mm 15mm 27mm 29mm 29Nm - -40°C +300°C
RS Stock No. 477-6701
Mfr. Part No.ETP CLASSIC 32MM
BrandLenze
MYR684.44
Each
units
60mm 32mm 43mm 57mm 420Nm Steel -30°C +85°C
RS Stock No. 477-6846
Mfr. Part No.ETP EXPRESS 25MM
BrandLenze
MYR1,109.60
Each
units
30mm 25mm 58mm 49mm 230Nm Steel -30°C +85°C
RS Stock No. 477-6739
Mfr. Part No.ETP CLASSIC 40MM
BrandLenze
MYR1,162.37
Each
units
70mm 40mm 53mm 68mm 940Nm Steel -30°C +85°C
RS Stock No. 488-8006
Mfr. Part No.R6-111 139
BrandLenze
MYR240.93
Each
units
6mm 14mm 18mm 22mm 5Nm Steel -30°C +85°C
RS Stock No. 477-6903
Mfr. Part No.ETP EXPRESS 40MM
BrandLenze
MYR1,580.61
Each
units
48mm 40mm 86.5mm 75mm 1100Nm Steel -30°C +85°C
RS Stock No. 477-6852
Mfr. Part No.ETP EXPRESS 30MM
BrandLenze
MYR1,255.22
Each
units
36mm 30mm 64.5mm 54mm 380Nm Steel -30°C +85°C
RS Stock No. 477-6638
Mfr. Part No.ETP CLASSIC 20MM
BrandLenze
MYR761.95
Each
units
45mm 20mm 28mm 42mm 125Nm Steel -30°C +85°C
RS Stock No. 477-6767
Mfr. Part No.ETP CLASSIC 45MM
BrandLenze
MYR883.86
Each
units
77mm 45mm 59mm 75mm 1290Nm Steel -30°C +85°C
RS Stock No. 477-7007
Mfr. Part No.TLK110 25X34
BrandLenze
MYR176.23
Each
units
25mm 34mm 56mm 51mm 280Nm - -40°C +300°C
RS Stock No. 488-8012
Mfr. Part No.R6-111 147
BrandLenze
MYR251.34
Each
units
8mm 15mm 27mm 25.5mm 17Nm Steel -30°C +85°C
RS Stock No. 477-6818
Mfr. Part No.ETP EXPRESS 20MM
BrandLenze
MYR1,063.85
Each
units
24mm 20mm 51.5mm 44mm 110Nm Steel -30°C +85°C