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. 477-6767
Mfr. Part No.ETP CLASSIC 45MM
BrandLenze
HK$1,500.13
Each
units
77mm 45mm 59mm 75mm 1290Nm Steel -30°C +85°C
RS Stock No. 188-3164
Mfr. Part No.4061 - 44x80
BrandRingfeder
HK$540.88
Each
units
32 mm, 35 mm, 36 mm 80mm - 30mm 1000 nm, 1250 nm, 1350 nm - - -
RS Stock No. 188-3182
Mfr. Part No.7012 - 28x55
BrandRingfeder
HK$551.64
Each
units
- 55mm - 27.5mm - - - -
RS Stock No. 188-3188
Mfr. Part No.7012 - 42x75
BrandRingfeder
HK$686.97
Each
units
- 75mm - 33.5mm - - - -
RS Stock No. 106-5539
Mfr. Part No.TLK110 50 X 65 mm
BrandTOLLOCK
HK$572.08
Each
units
50mm 65mm 92mm 78mm 2600Nm - -40°C +300°C
RS Stock No. 188-3169
Mfr. Part No.4061 - 62x110
BrandRingfeder
HK$717.75
Each
units
48 mm, 50 mm, 52 mm 110mm - 34.5mm 3000 nm, 3300 nm, 3500 nm - - -
RS Stock No. 477-6701
Mfr. Part No.ETP CLASSIC 32MM
BrandLenze
HK$1,173.86
Each
units
60mm 32mm 43mm 57mm 420Nm Steel -30°C +85°C
RS Stock No. 477-7007
Mfr. Part No.TLK110 25X34
BrandLenze
HK$302.24
Each
units
25mm 34mm 56mm 51mm 280Nm - -40°C +300°C
RS Stock No. 488-8056
Mfr. Part No.R6-111 18X
BrandLenze
HK$505.08
Each
units
12mm 18mm 30mm 29.5mm 27Nm Steel -30°C +85°C
RS Stock No. 188-3196
Mfr. Part No.7012 - 70x110
BrandRingfeder
HK$942.54
Each
units
- 110mm - 39.5mm - - - -
RS Stock No. 188-3156
Mfr. Part No.4061 - 20x46
BrandRingfeder
HK$307.39
Each
units
15 mm, 16 mm, 17 mm 46mm - 21mm 140 nm, 170 nm, 200 nm - - -
RS Stock No. 188-3190
Mfr. Part No.7012 - 48x80
BrandRingfeder
HK$695.09
Each
units
- 80mm - 33.5mm - - - -
RS Stock No. 188-3177
Mfr. Part No.7012 - 19x47
BrandRingfeder
HK$534.93
Each
units
- 47mm - 27.5mm - - - -
RS Stock No. 188-3183
Mfr. Part No.7012 - 30x55
BrandRingfeder
HK$551.64
Each
units
- 55mm - 27.5mm - - - -
RS Stock No. 188-3194
Mfr. Part No.7012 - 60x90
BrandRingfeder
HK$709.39
Each
units
- 90mm - 33.5mm - - - -
RS Stock No. 188-3155
Mfr. Part No.4061 - 18x44
BrandRingfeder
HK$307.39
Each
units
14 mm, 15 mm, 16 mm 44mm - 18.5mm 110 nm, 130 nm, 160 nm - - -
RS Stock No. 106-5537
Mfr. Part No.TLK110 35 X 47 mm
BrandTOLLOCK
HK$364.94
Each
units
35mm 47mm 69mm 56mm 790Nm - -40°C +300°C
RS Stock No. 477-6852
Mfr. Part No.ETP EXPRESS 30MM
BrandLenze
HK$2,152.78
Each
units
36mm 30mm 64.5mm 54mm 380Nm 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. 188-3179
Mfr. Part No.7012 - 22x47
BrandRingfeder
HK$534.93
Each
units
- 47mm - 27.5mm - - - -
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