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. 188-3181
Mfr. Part No.7012 - 25x50
BrandRingfeder
kr 624,94
Each
Units
- 50mm - 27.5mm - - - -
RS Stock No. 188-3194
Mfr. Part No.7012 - 60x90
BrandRingfeder
kr 803,61
Each
Units
- 90mm - 33.5mm - - - -
RS Stock No. 188-3196
Mfr. Part No.7012 - 70x110
BrandRingfeder
kr 1 067,73
Each
Units
- 110mm - 39.5mm - - - -
RS Stock No. 188-3190
Mfr. Part No.7012 - 48x80
BrandRingfeder
kr 787,51
Each
Units
- 80mm - 33.5mm - - - -
RS Stock No. 188-3162
Mfr. Part No.4061 - 38x72
BrandRingfeder
kr 522,32
Each
Units
29 mm, 30 mm, 31 mm 72mm - 30mm 890 nm, 970 nm, 980 nm - - -
RS Stock No. 188-3175
Mfr. Part No.4061 - 90x155
BrandRingfeder
kr 1 525,53
Each
Units
65 mm, 70 mm, 75 mm 155mm - 44.5mm 6000 nm, 7550 nm, 9150 nm - - -
RS Stock No. 188-3182
Mfr. Part No.7012 - 28x55
BrandRingfeder
kr 624,94
Each
Units
- 55mm - 27.5mm - - - -
RS Stock No. 188-3167
Mfr. Part No.4061 - 50x90
BrandRingfeder
kr 701,00
Each
Units
38 mm, 40 mm, 42 mm 90mm - 31.5mm 1650 nm, 1900 nm, 2150 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. 188-3191
Mfr. Part No.7012 - 50x80
BrandRingfeder
kr 787,51
Each
Units
- 80mm - 33.5mm - - - -
RS Stock No. 188-3156
Mfr. Part No.4061 - 20x46
BrandRingfeder
kr 348,22
Each
Units
15 mm, 16 mm, 17 mm 46mm - 21mm 140 nm, 170 nm, 200 nm - - -
RS Stock No. 188-3178
Mfr. Part No.7012 - 20x47
BrandRingfeder
kr 606,02
Each
Units
- 47mm - 27.5mm - - - -
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. 188-3158
Mfr. Part No.4061 - 24x50
BrandRingfeder
kr 379,07
Each
Units
19 mm, 20 mm, 21 mm 50mm - 22.5mm 300 nm, 340 nm, 390 nm - - -
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. 188-3176
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. 188-3183
Mfr. Part No.7012 - 30x55
BrandRingfeder
kr 624,94
Each
Units
- 55mm - 27.5mm - - - -
RS Stock No. 188-3199
Mfr. Part No.7012 - 85x125
BrandRingfeder
kr 1 100,45
Each
Units
- 125mm - 39.5mm - - - -
RS Stock No. 188-3180
Mfr. Part No.7012 - 24x50
BrandRingfeder
kr 624,94
Each
Units
- 50mm - 27.5mm - - - -
RS Stock No. 188-3195
Mfr. Part No.7012 - 65x95
BrandRingfeder
kr 894,55
Each
Units
- 95mm - 33.5mm - - - -