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. 477-6739
Mfr. Part No.ETP CLASSIC 40MM
BrandLenze
R 3,339.65
Each
units
70mm 40mm 53mm 68mm 940Nm Steel -30°C +85°C
RS stock no. 477-6903
Mfr. Part No.ETP EXPRESS 40MM
BrandLenze
R 4,505.14
Each
units
48mm 40mm 86.5mm 75mm 1100Nm Steel -30°C +85°C
RS stock no. 477-6953
Mfr. Part No.TLK110 12X18
BrandLenze
R 369.45
Each
units
12mm 18mm 32mm 30mm 58Nm - -40°C +300°C
RS stock no. 106-5538
Mfr. Part No.TLK110 40 X 53 mm
BrandTOLLOCK
R 686.20
Each
units
40mm 53mm 75mm 56mm 900Nm - -40°C +300°C
RS stock no. 488-8012
Mfr. Part No.R6-111 147
BrandLenze
R 716.68
Each
units
8mm 15mm 27mm 25.5mm 17Nm Steel -30°C +85°C
RS stock no. 477-6852
Mfr. Part No.ETP EXPRESS 30MM
BrandLenze
R 3,591.53
Each
units
36mm 30mm 64.5mm 54mm 380Nm Steel -30°C +85°C
RS stock no. 488-8056
Mfr. Part No.R6-111 18X
BrandLenze
R 840.55
Each
units
12mm 18mm 30mm 29.5mm 27Nm Steel -30°C +85°C
RS stock no. 477-6919
Mfr. Part No.ETP EXPRESS 45MM
BrandLenze
R 3,895.31
Each
units
54mm 45mm 93mm 78mm 1400Nm Steel -30°C +85°C
RS stock no. 488-8028
Mfr. Part No.R6-56 441
BrandLenze
R 761.78
Each
units
10mm 16mm 28mm 28mm 23Nm Steel -30°C +85°C
New
RS stock no. 188-3160
Mfr. Part No.4061 - 30x52
BrandRingfeder
R 649.57
Each
units
24 mm, 25 mm, 26 mm 52mm - 26mm 450 nm, 500 nm, 560 nm - - -
RS stock no. 477-6751
Mfr. Part No.ETP CLASSIC 50MM
BrandLenze
R 4,114.96
Each
units
83mm 50mm 65mm 82mm 1900Nm Steel -30°C +85°C
RS stock no. 488-8062
Mfr. Part No.R6-212 786
BrandLenze
R 896.32
Each
units
14mm 22mm 35mm 31.5mm 48Nm Steel -30°C +85°C
RS stock no. 477-6997
Mfr. Part No.TLK110 20X28
BrandLenze
R 437.13
Each
units
20mm 28mm 50mm 44mm 220Nm - -40°C +300°C
New
RS stock no. 188-3188
Mfr. Part No.7012 - 42x75
BrandRingfeder
R 1,175.05
Each
units
- 75mm - 33.5mm - - - -
RS stock no. 477-6616
Mfr. Part No.ETP CLASSIC 15MM
BrandLenze
R 2,108.74
Each
units
38mm 15mm 23mm 35mm 55Nm Steel -30°C +85°C
New
RS stock no. 188-3161
Mfr. Part No.4061 - 36x72
BrandRingfeder
R 725.32
Each
units
28 mm, 30 mm, 31 mm 72mm - 27.5mm 730 nm, 860 nm, 890 nm - - -
RS stock no. 477-6975
Mfr. Part No.TLK110 14X23
BrandLenze
R 368.06
Each
units
14mm 23mm 38mm 30mm 68Nm - -40°C +300°C
New
RS stock no. 188-3172
Mfr. Part No.4061 - 75x138
BrandRingfeder
R 1,643.32
Each
units
55 mm, 60 mm, 65 mm 138mm - 37.8mm 3300 nm, 4150 nm, 5100 nm - - -
RS stock no. 477-7007
Mfr. Part No.TLK110 25X34
BrandLenze
R 522.71
Each
units
25mm 34mm 56mm 51mm 280Nm - -40°C +300°C
New
RS stock no. 188-3189
Mfr. Part No.7012 - 45x75
BrandRingfeder
R 1,173.10
Each
units
- 75mm - 33.5mm - - - -