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
New
RS Stock No. 188-3172
Mfr. Part No.4061 - 75x138
BrandRingfeder
MYR501.51
Each
units
55 mm, 60 mm, 65 mm 138mm - 37.8mm 3300 nm, 4150 nm, 5100 nm - - -
New
RS Stock No. 188-3186
Mfr. Part No.7012 - 38x65
BrandRingfeder
MYR326.30
Each
units
- 65mm - 27.5mm - - - -
New
RS Stock No. 188-3170
Mfr. Part No.4061 - 68x115
BrandRingfeder
MYR443.00
Each
units
50 mm, 55 mm, 60 mm 115mm - 34.5mm 2350 nm, 2850 nm, 3600 nm - - -
New
RS Stock No. 188-3191
Mfr. Part No.7012 - 50x80
BrandRingfeder
MYR386.97
Each
units
- 80mm - 33.5mm - - - -
New
RS Stock No. 188-3182
Mfr. Part No.7012 - 28x55
BrandRingfeder
MYR307.15
Each
units
- 55mm - 27.5mm - - - -
New
RS Stock No. 188-3180
Mfr. Part No.7012 - 24x50
BrandRingfeder
MYR307.15
Each
units
- 50mm - 27.5mm - - - -
New
RS Stock No. 188-3185
Mfr. Part No.7012 - 35x60
BrandRingfeder
MYR315.70
Each
units
- 60mm - 27.5mm - - - -
New
RS Stock No. 188-3167
Mfr. Part No.4061 - 50x90
BrandRingfeder
MYR344.54
Each
units
38 mm, 40 mm, 42 mm 90mm - 31.5mm 1650 nm, 1900 nm, 2150 nm - - -
New
RS Stock No. 188-3173
Mfr. Part No.4061 - 80x145
BrandRingfeder
MYR614.60
Each
units
60 mm, 65 mm, 70 mm 145mm - 37.8mm 4000 nm, 4900 nm, 5750 nm - - -
New
RS Stock No. 188-3184
Mfr. Part No.7012 - 32x60
BrandRingfeder
MYR315.70
Each
units
- 60mm - 27.5mm - - - -
New
RS Stock No. 188-3199
Mfr. Part No.7012 - 85x125
BrandRingfeder
MYR540.85
Each
units
- 125mm - 39.5mm - - - -
New
RS Stock No. 188-3195
Mfr. Part No.7012 - 65x95
BrandRingfeder
MYR439.60
Each
units
- 95mm - 33.5mm - - - -
New
RS Stock No. 188-3194
Mfr. Part No.7012 - 60x90
BrandRingfeder
MYR394.90
Each
units
- 90mm - 33.5mm - - - -
New
RS Stock No. 188-3179
Mfr. Part No.7012 - 22x47
BrandRingfeder
MYR297.88
Each
units
- 47mm - 27.5mm - - - -
New
RS Stock No. 188-3203
Mfr. Part No.7012 - 100x145
BrandRingfeder
MYR704.11
Each
units
- 145mm - 47mm - - - -
New
RS Stock No. 188-3202
Mfr. Part No.7012 - 95x135
BrandRingfeder
MYR588.85
Each
units
- 135mm - 39.5mm - - - -
New
RS Stock No. 188-3154
Mfr. Part No.4061 - 16x41
BrandRingfeder
MYR171.08
Each
units
12 mm, 13 mm, 14 mm 41mm - 18.5mm 90 nm, 110 nm, 130 nm - - -
New
RS Stock No. 188-3176
Mfr. Part No.4061 - 95x170
BrandRingfeder
MYR866.74
Each
units
65 mm, 70 mm, 75 mm 170mm - 52.5mm 6700 nm, 8450 nm, 10200 nm - - -
New
RS Stock No. 188-3174
Mfr. Part No.4061 - 85x155
BrandRingfeder
MYR681.65
Each
units
60 mm, 65 mm, 70 mm 155mm - 45.8mm 6050 nm, 7250 nm, 8500 nm - - -
New
RS Stock No. 188-3168
Mfr. Part No.4061 - 55x100
BrandRingfeder
MYR385.53
Each
units
42 mm, 45 mm, 48 mm 100mm - 34.5mm 1600 nm, 1950 nm, 2300 nm - - -