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. 477-6789
Mfr. Part No.ETP EXPRESS 15MM
BrandLenze
kr 1 877,70
Each
Units
18mm 15mm 46mm 39mm 46Nm Steel -30°C +85°C
RS Stock No. 477-6739
Mfr. Part No.ETP CLASSIC 40MM
BrandLenze
kr 2 064,15
Each
Units
70mm 40mm 53mm 68mm 940Nm Steel -30°C +85°C
RS Stock No. 188-3153
Mfr. Part No.4061 - 14x37
BrandRingfeder
kr 358,67
Each
Units
10 mm, 11 mm, 12mm 37mm - 14.8mm 37.5 Nm, 46 Nm, 60Nm - - -
RS Stock No. 188-3190
Mfr. Part No.7012 - 48x80
BrandRingfeder
kr 811,14
Each
Units
- 80mm - 33.5mm - - - -
RS Stock No. 477-6846
Mfr. Part No.ETP EXPRESS 25MM
BrandLenze
kr 1 937,07
Each
Units
30mm 25mm 58mm 49mm 230Nm Steel -30°C +85°C
RS Stock No. 188-3161
Mfr. Part No.4061 - 36x72
BrandRingfeder
kr 488,40
Each
Units
28 mm, 30 mm, 31mm 72mm - 27.5mm 730 Nm, 860 Nm, 890Nm - - -
RS Stock No. 188-3194
Mfr. Part No.7012 - 60x90
BrandRingfeder
kr 827,72
Each
Units
- 90mm - 33.5mm - - - -
RS Stock No. 188-3186
Mfr. Part No.7012 - 38x65
BrandRingfeder
kr 683,89
Each
Units
- 65mm - 27.5mm - - - -
RS Stock No. 106-5536
Mfr. Part No.TLK110 16 X 24 mm
BrandTOLLOCK
kr 293,32
Each
Units
16mm 24mm 44mm 42mm 180Nm - -40°C +300°C
RS Stock No. 188-3173
Mfr. Part No.4061 - 80x145
BrandRingfeder
kr 1 288,20
Each
Units
60 mm, 65 mm, 70mm 145mm - 37.8mm 4000 Nm, 4900 Nm, 5750Nm - - -
RS Stock No. 477-6616
Mfr. Part No.ETP CLASSIC 15MM
BrandLenze
kr 1 201,78
Each
Units
38mm 15mm 23mm 35mm 55Nm Steel -30°C +85°C
RS Stock No. 188-3164
Mfr. Part No.4061 - 44x80
BrandRingfeder
kr 631,11
Each
Units
32 mm, 35 mm, 36mm 80mm - 30mm 1000 Nm, 1250 Nm, 1350Nm - - -
RS Stock No. 477-6975
Mfr. Part No.TLK110 14X23
BrandLenze
kr 262,51
Each
Units
14mm 23mm 38mm 30mm 68Nm - -40°C +300°C
RS Stock No. 188-3181
Mfr. Part No.7012 - 25x50
BrandRingfeder
kr 643,69
Each
Units
- 50mm - 27.5mm - - - -
RS Stock No. 477-6701
Mfr. Part No.ETP CLASSIC 32MM
BrandLenze
kr 1 808,20
Each
Units
60mm 32mm 43mm 57mm 420Nm Steel -30°C +85°C
RS Stock No. 188-3162
Mfr. Part No.4061 - 38x72
BrandRingfeder
kr 537,99
Each
Units
29 mm, 30 mm, 31mm 72mm - 30mm 890 Nm, 970 Nm, 980Nm - - -
RS Stock No. 188-3170
Mfr. Part No.4061 - 68x115
BrandRingfeder
kr 928,43
Each
Units
50 mm, 55 mm, 60mm 115mm - 34.5mm 2350 Nm, 2850 Nm, 3600Nm - - -
RS Stock No. 477-6880
Mfr. Part No.ETP EXPRESS 35MM
BrandLenze
kr 2 243,93
Each
Units
42mm 72mm 35mm 59mm 640Nm Steel -30°C +85°C
RS Stock No. 188-3157
Mfr. Part No.4061 - 21x50
BrandRingfeder
kr 390,44
Each
Units
16 mm, 17 mm, 18mm 50mm - 22.5mm 250 Nm, 290 Nm, 330Nm - - -
RS Stock No. 188-3197
Mfr. Part No.7012 - 75x115
BrandRingfeder
kr 1 116,06
Each
Units
- 115mm - 39.5mm - - - -