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. 188-3164
Mfr. Part No.4061 - 44x80
BrandRingfeder
€63.32
Each
units
32 mm, 35 mm, 36mm 80mm - 30mm 1000 Nm, 1250 Nm, 1350Nm - - -
RS Stock No. 188-3161
Mfr. Part No.4061 - 36x72
BrandRingfeder
€49.04
Each
units
28 mm, 30 mm, 31mm 72mm - 27.5mm 730 Nm, 860 Nm, 890Nm - - -
RS Stock No. 188-3186
Mfr. Part No.7012 - 38x65
BrandRingfeder
€68.65
Each
units
- 65mm - 27.5mm - - - -
RS Stock No. 188-3154
Mfr. Part No.4061 - 16x41
BrandRingfeder
€35.93
Each
units
12 mm, 13 mm, 14mm 41mm - 18.5mm 90 Nm, 110 Nm, 130Nm - - -
RS Stock No. 188-3166
Mfr. Part No.4061 - 48x80
BrandRingfeder
€63.32
Each
units
36 mm, 38 mm, 40mm 80mm - 30mm 1150 Nm, 1350 Nm, 1550Nm - - -
RS Stock No. 188-3181
Mfr. Part No.7012 - 25x50
BrandRingfeder
€64.60
Each
units
- 50mm - 27.5mm - - - -
RS Stock No. 188-3174
Mfr. Part No.4061 - 85x155
BrandRingfeder
€143.27
Each
units
60 mm, 65 mm, 70mm 155mm - 45.8mm 6050 Nm, 7250 Nm, 8500Nm - - -
RS Stock No. 188-3153
Mfr. Part No.4061 - 14x37
BrandRingfeder
€35.93
Each
units
10 mm, 11 mm, 12mm 37mm - 14.8mm 37.5 Nm, 46 Nm, 60Nm - - -
RS Stock No. 188-3187
Mfr. Part No.7012 - 40x65
BrandRingfeder
€68.65
Each
units
- 65mm - 27.5mm - - - -
RS Stock No. 188-3169
Mfr. Part No.4061 - 62x110
BrandRingfeder
€84.01
Each
units
48 mm, 50 mm, 52mm 110mm - 34.5mm 3000 Nm, 3300 Nm, 3500Nm - - -
RS Stock No. 188-3155
Mfr. Part No.4061 - 18x44
BrandRingfeder
€35.93
Each
units
14 mm, 15 mm, 16mm 44mm - 18.5mm 110 Nm, 130 Nm, 160Nm - - -
RS Stock No. 188-3175
Mfr. Part No.4061 - 90x155
BrandRingfeder
€157.56
Each
units
65 mm, 70 mm, 75mm 155mm - 44.5mm 6000 Nm, 7550 Nm, 9150Nm - - -
RS Stock No. 188-3179
Mfr. Part No.7012 - 22x47
BrandRingfeder
€62.57
Each
units
- 47mm - 27.5mm - - - -
RS Stock No. 188-3197
Mfr. Part No.7012 - 75x115
BrandRingfeder
€111.94
Each
units
- 115mm - 39.5mm - - - -
RS Stock No. 188-3170
Mfr. Part No.4061 - 68x115
BrandRingfeder
€93.17
Each
units
50 mm, 55 mm, 60mm 115mm - 34.5mm 2350 Nm, 2850 Nm, 3600Nm - - -
RS Stock No. 188-3157
Mfr. Part No.4061 - 21x50
BrandRingfeder
€39.12
Each
units
16 mm, 17 mm, 18mm 50mm - 22.5mm 250 Nm, 290 Nm, 330Nm - - -
RS Stock No. 188-3162
Mfr. Part No.4061 - 38x72
BrandRingfeder
€53.94
Each
units
29 mm, 30 mm, 31mm 72mm - 30mm 890 Nm, 970 Nm, 980Nm - - -
RS Stock No. 188-3167
Mfr. Part No.4061 - 50x90
BrandRingfeder
€72.39
Each
units
38 mm, 40 mm, 42mm 90mm - 31.5mm 1650 Nm, 1900 Nm, 2150Nm - - -
RS Stock No. 188-3194
Mfr. Part No.7012 - 60x90
BrandRingfeder
€83.05
Each
units
- 90mm - 33.5mm - - - -
RS Stock No. 188-3182
Mfr. Part No.7012 - 28x55
BrandRingfeder
€64.60
Each
units
- 55mm - 27.5mm - - - -