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. 477-6953
Mfr. Part No.TLK110 12X18
BrandLenze
HK$220.45
Each
units
12mm 18mm 32mm 30mm 58Nm - -40°C +300°C
RS Stock No. 477-6975
Mfr. Part No.TLK110 14X23
BrandLenze
HK$218.39
Each
units
14mm 23mm 38mm 30mm 68Nm - -40°C +300°C
RS Stock No. 477-6824
Mfr. Part No.ETP EXPRESS 22MM
BrandLenze
HK$1,314.46
Each
units
27mm 22mm 55.5mm 46mm 130Nm Steel -30°C +85°C
RS Stock No. 188-3185
Mfr. Part No.7012 - 35x60
BrandRingfeder
HK$567.08
Each
units
- 60mm - 27.5mm - - - -
RS Stock No. 188-3157
Mfr. Part No.4061 - 21x50
BrandRingfeder
HK$334.62
Each
units
16 mm, 17 mm, 18 mm 50mm - 22.5mm 250 nm, 290 nm, 330 nm - - -
RS Stock No. 188-3186
Mfr. Part No.7012 - 38x65
BrandRingfeder
HK$586.07
Each
units
- 65mm - 27.5mm - - - -
RS Stock No. 188-3182
Mfr. Part No.7012 - 28x55
BrandRingfeder
HK$551.64
Each
units
- 55mm - 27.5mm - - - -
RS Stock No. 188-3195
Mfr. Part No.7012 - 65x95
BrandRingfeder
HK$789.59
Each
units
- 95mm - 33.5mm - - - -
RS Stock No. 188-3187
Mfr. Part No.7012 - 40x65
BrandRingfeder
HK$586.07
Each
units
- 65mm - 27.5mm - - - -
RS Stock No. 188-3158
Mfr. Part No.4061 - 24x50
BrandRingfeder
HK$334.62
Each
units
19 mm, 20 mm, 21 mm 50mm - 22.5mm 300 nm, 340 nm, 390 nm - - -
RS Stock No. 188-3196
Mfr. Part No.7012 - 70x110
BrandRingfeder
HK$942.54
Each
units
- 110mm - 39.5mm - - - -
RS Stock No. 188-3163
Mfr. Part No.4061 - 40x72
BrandRingfeder
HK$498.44
Each
units
30 mm, 31 mm, 32 mm 72mm - 28.5mm 900 nm, 910 nm, 990 nm - - -
RS Stock No. 477-6717
Mfr. Part No.ETP CLASSIC 35MM
BrandLenze
HK$1,771.60
Each
units
63mm 35mm 47mm 60mm 650Nm Steel -30°C +85°C
RS Stock No. 477-6925
Mfr. Part No.ETP EXPRESS 50MM
BrandLenze
HK$2,426.08
Each
units
60mm 50mm 98.5mm 80mm 1900Nm Steel -30°C +85°C
RS Stock No. 188-3168
Mfr. Part No.4061 - 55x100
BrandRingfeder
HK$692.58
Each
units
42 mm, 45 mm, 48 mm 100mm - 34.5mm 1600 nm, 1950 nm, 2300 nm - - -
RS Stock No. 188-3188
Mfr. Part No.7012 - 42x75
BrandRingfeder
HK$686.97
Each
units
- 75mm - 33.5mm - - - -
RS Stock No. 188-3183
Mfr. Part No.7012 - 30x55
BrandRingfeder
HK$551.64
Each
units
- 55mm - 27.5mm - - - -
RS Stock No. 188-3203
Mfr. Part No.7012 - 100x145
BrandRingfeder
HK$1,264.69
Each
units
- 145mm - 47mm - - - -
RS Stock No. 188-3192
Mfr. Part No.7012 - 55x85
BrandRingfeder
HK$726.55
Each
units
- 85mm - 33.5mm - - - -
RS Stock No. 488-8028
Mfr. Part No.R6-56 441
BrandLenze
HK$457.94
Each
units
10mm 16mm 28mm 28mm 23Nm Steel -30°C +85°C
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