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
MYR190.30
Each
units
30mm 41mm 62mm 51mm 510Nm - -40°C +300°C
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. 477-6947
Mfr. Part No.TLK110 10X16
BrandLenze
MYR128.54
Each
units
10mm 16mm 28mm 30mm 49Nm - -40°C +300°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. 188-3158
Mfr. Part No.4061 - 24x50
BrandRingfeder
MYR195.11
Each
units
19 mm, 20 mm, 21 mm 50mm - 22.5mm 300 nm, 340 nm, 390 nm - - -
RS Stock No. 188-3167
Mfr. Part No.4061 - 50x90
BrandRingfeder
MYR364.59
Each
units
38 mm, 40 mm, 42 mm 90mm - 31.5mm 1650 nm, 1900 nm, 2150 nm - - -
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. 188-3179
Mfr. Part No.7012 - 22x47
BrandRingfeder
MYR311.90
Each
units
- 47mm - 27.5mm - - - -
RS Stock No. 188-3181
Mfr. Part No.7012 - 25x50
BrandRingfeder
MYR321.64
Each
units
- 50mm - 27.5mm - - - -
RS Stock No. 188-3169
Mfr. Part No.4061 - 62x110
BrandRingfeder
MYR422.88
Each
units
48 mm, 50 mm, 52 mm 110mm - 34.5mm 3000 nm, 3300 nm, 3500 nm - - -
RS Stock No. 188-3185
Mfr. Part No.7012 - 35x60
BrandRingfeder
MYR330.65
Each
units
- 60mm - 27.5mm - - - -
RS Stock No. 188-3203
Mfr. Part No.7012 - 100x145
BrandRingfeder
MYR737.40
Each
units
- 145mm - 47mm - - - -
RS Stock No. 188-3166
Mfr. Part No.4061 - 48x80
BrandRingfeder
MYR318.68
Each
units
36 mm, 38 mm, 40 mm 80mm - 30mm 1150 nm, 1350 nm, 1550 nm - - -
RS Stock No. 188-3195
Mfr. Part No.7012 - 65x95
BrandRingfeder
MYR460.38
Each
units
- 95mm - 33.5mm - - - -
RS Stock No. 106-5534
Mfr. Part No.TLK110 6 x 14 mm
BrandTOLLOCK
MYR129.74
Each
units
6mm 14mm 25mm 24mm 16Nm - -40°C +300°C
RS Stock No. 188-3182
Mfr. Part No.7012 - 28x55
BrandRingfeder
MYR321.64
Each
units
- 55mm - 27.5mm - - - -
RS Stock No. 477-6975
Mfr. Part No.TLK110 14X23
BrandLenze
MYR127.34
Each
units
14mm 23mm 38mm 30mm 68Nm - -40°C +300°C
RS Stock No. 106-5537
Mfr. Part No.TLK110 35 X 47 mm
BrandTOLLOCK
MYR211.78
Each
units
35mm 47mm 69mm 56mm 790Nm - -40°C +300°C
RS Stock No. 188-3196
Mfr. Part No.7012 - 70x110
BrandRingfeder
MYR549.57
Each
units
- 110mm - 39.5mm - - - -
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