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. 188-3195
Mfr. Part No.7012 - 65x95
BrandRingfeder
TWD3,104.00
Each
units
- 95mm - 33.5mm - - - -
RS Stock No. 188-3189
Mfr. Part No.7012 - 45x75
BrandRingfeder
TWD2,700.00
Each
units
- 75mm - 33.5mm - - - -
RS Stock No. 188-3203
Mfr. Part No.7012 - 100x145
BrandRingfeder
TWD4,971.00
Each
units
- 145mm - 47mm - - - -
RS Stock No. 188-3194
Mfr. Part No.7012 - 60x90
BrandRingfeder
TWD2,788.00
Each
units
- 90mm - 33.5mm - - - -
RS Stock No. 188-3161
Mfr. Part No.4061 - 36x72
BrandRingfeder
TWD1,645.00
Each
units
28 mm, 30 mm, 31 mm 72mm - 27.5mm 730 nm, 860 nm, 890 nm - - -
RS Stock No. 188-3156
Mfr. Part No.4061 - 20x46
BrandRingfeder
TWD1,208.00
Each
units
15 mm, 16 mm, 17 mm 46mm - 21mm 140 nm, 170 nm, 200 nm - - -
RS Stock No. 188-3196
Mfr. Part No.7012 - 70x110
BrandRingfeder
TWD3,705.00
Each
units
- 110mm - 39.5mm - - - -
RS Stock No. 188-3174
Mfr. Part No.4061 - 85x155
BrandRingfeder
TWD4,813.00
Each
units
60 mm, 65 mm, 70 mm 155mm - 45.8mm 6050 nm, 7250 nm, 8500 nm - - -
RS Stock No. 188-3199
Mfr. Part No.7012 - 85x125
BrandRingfeder
TWD3,818.00
Each
units
- 125mm - 39.5mm - - - -
RS Stock No. 188-3167
Mfr. Part No.4061 - 50x90
BrandRingfeder
TWD2,432.00
Each
units
38 mm, 40 mm, 42 mm 90mm - 31.5mm 1650 nm, 1900 nm, 2150 nm - - -
RS Stock No. 188-3190
Mfr. Part No.7012 - 48x80
BrandRingfeder
TWD2,732.00
Each
units
- 80mm - 33.5mm - - - -
RS Stock No. 188-3153
Mfr. Part No.4061 - 14x37
BrandRingfeder
TWD1,208.00
Each
units
10 mm, 11 mm, 12 mm 37mm - 14.8mm 37.5 nm, 46 nm, 60 nm - - -
RS Stock No. 188-3201
Mfr. Part No.7012 - 90x130
BrandRingfeder
TWD4,036.00
Each
units
- 130mm - 39.5mm - - - -
RS Stock No. 188-3169
Mfr. Part No.4061 - 62x110
BrandRingfeder
TWD2,821.00
Each
units
48 mm, 50 mm, 52 mm 110mm - 34.5mm 3000 nm, 3300 nm, 3500 nm - - -
RS Stock No. 188-3154
Mfr. Part No.4061 - 16x41
BrandRingfeder
TWD1,208.00
Each
units
12 mm, 13 mm, 14 mm 41mm - 18.5mm 90 nm, 110 nm, 130 nm - - -
RS Stock No. 188-3185
Mfr. Part No.7012 - 35x60
BrandRingfeder
TWD2,229.00
Each
units
- 60mm - 27.5mm - - - -
RS Stock No. 188-3172
Mfr. Part No.4061 - 75x138
BrandRingfeder
TWD3,540.00
Each
units
55 mm, 60 mm, 65 mm 138mm - 37.8mm 3300 nm, 4150 nm, 5100 nm - - -
RS Stock No. 188-3177
Mfr. Part No.7012 - 19x47
BrandRingfeder
TWD2,102.00
Each
units
- 47mm - 27.5mm - - - -
RS Stock No. 188-3163
Mfr. Part No.4061 - 40x72
BrandRingfeder
TWD1,959.00
Each
units
30 mm, 31 mm, 32 mm 72mm - 28.5mm 900 nm, 910 nm, 990 nm - - -
RS Stock No. 188-3188
Mfr. Part No.7012 - 42x75
BrandRingfeder
TWD2,700.00
Each
units
- 75mm - 33.5mm - - - -