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. 188-3196
Mfr. Part No.7012 - 70x110
BrandRingfeder
kr 1 067,73
Each
Units
- 110mm - 39.5mm - - - -
RS Stock No. 477-6666
Mfr. Part No.ETP CLASSIC 25MM
BrandLenze
kr 1 437,21
Each
Units
34mm - 49mm 43mm 250Nm Steel -30°C +85°C
RS Stock No. 188-3168
Mfr. Part No.4061 - 55x100
BrandRingfeder
kr 784,56
Each
Units
42 mm, 45 mm, 48 mm 100mm - 34.5mm 1600 nm, 1950 nm, 2300 nm - - -
RS Stock No. 477-6824
Mfr. Part No.ETP EXPRESS 22MM
BrandLenze
kr 1 497,27
Each
Units
27mm 22mm 55.5mm 46mm 130Nm Steel -30°C +85°C
RS Stock No. 188-3176
Mfr. Part No.4061 - 95x170
BrandRingfeder
kr 1 763,75
Each
Units
65 mm, 70 mm, 75 mm 170mm - 52.5mm 6700 nm, 8450 nm, 10200 nm - - -
RS Stock No. 488-8062
Mfr. Part No.R6-212 786
BrandLenze
kr 611,66
Each
Units
14mm 22mm 35mm 31.5mm 48Nm Steel -30°C +85°C
RS Stock No. 188-3185
Mfr. Part No.7012 - 35x60
BrandRingfeder
kr 642,37
Each
Units
- 60mm - 27.5mm - - - -
RS Stock No. 188-3163
Mfr. Part No.4061 - 40x72
BrandRingfeder
kr 564,72
Each
Units
30 mm, 31 mm, 32 mm 72mm - 28.5mm 900 nm, 910 nm, 990 nm - - -
RS Stock No. 188-3157
Mfr. Part No.4061 - 21x50
BrandRingfeder
kr 379,07
Each
Units
16 mm, 17 mm, 18 mm 50mm - 22.5mm 250 nm, 290 nm, 330 nm - - -
RS Stock No. 188-3180
Mfr. Part No.7012 - 24x50
BrandRingfeder
kr 624,94
Each
Units
- 50mm - 27.5mm - - - -
RS Stock No. 188-3177
Mfr. Part No.7012 - 19x47
BrandRingfeder
kr 606,02
Each
Units
- 47mm - 27.5mm - - - -
RS Stock No. 477-6947
Mfr. Part No.TLK110 10X16
BrandLenze
kr 247,63
Each
Units
10mm 16mm 28mm 30mm 49Nm - -40°C +300°C
RS Stock No. 477-6874
Mfr. Part No.ETP EXPRESS 32MM
BrandLenze
kr 1 943,02
Each
Units
39mm 32mm 68.5mm 56mm 440Nm Steel -30°C +85°C
RS Stock No. 188-3153
Mfr. Part No.4061 - 14x37
BrandRingfeder
kr 348,22
Each
Units
10 mm, 11 mm, 12 mm 37mm - 14.8mm 37.5 nm, 46 nm, 60 nm - - -
RS Stock No. 477-6616
Mfr. Part No.ETP CLASSIC 15MM
BrandLenze
kr 1 166,78
Each
Units
38mm 15mm 23mm 35mm 55Nm Steel -30°C +85°C
RS Stock No. 188-3189
Mfr. Part No.7012 - 45x75
BrandRingfeder
kr 778,26
Each
Units
- 75mm - 33.5mm - - - -
RS Stock No. 188-3187
Mfr. Part No.7012 - 40x65
BrandRingfeder
kr 663,97
Each
Units
- 65mm - 27.5mm - - - -
RS Stock No. 188-3173
Mfr. Part No.4061 - 80x145
BrandRingfeder
kr 1 250,68
Each
Units
60 mm, 65 mm, 70 mm 145mm - 37.8mm 4000 nm, 4900 nm, 5750 nm - - -
RS Stock No. 188-3194
Mfr. Part No.7012 - 60x90
BrandRingfeder
kr 803,61
Each
Units
- 90mm - 33.5mm - - - -
RS Stock No. 477-6931
Mfr. Part No.TLK110 8X15
BrandLenze
kr 254,86
Each
Units
8mm 15mm 27mm 29mm 29Nm - -40°C +300°C
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