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. 188-3160
Mfr. Part No.4061 - 30x52
BrandRingfeder
TWD1,506.00
Each
units
24 mm, 25 mm, 26 mm 52mm - 26mm 450 nm, 500 nm, 560 nm - - -
RS Stock No. 188-3203
Mfr. Part No.7012 - 100x145
BrandRingfeder
TWD4,971.00
Each
units
- 145mm - 47mm - - - -
RS Stock No. 477-6818
Mfr. Part No.ETP EXPRESS 20MM
BrandLenze
TWD7,171.00
Each
units
24mm 20mm 51.5mm 44mm 110Nm Steel -30°C +85°C
RS Stock No. 188-3173
Mfr. Part No.4061 - 80x145
BrandRingfeder
TWD4,339.00
Each
units
60 mm, 65 mm, 70 mm 145mm - 37.8mm 4000 nm, 4900 nm, 5750 nm - - -
RS Stock No. 188-3179
Mfr. Part No.7012 - 22x47
BrandRingfeder
TWD2,102.00
Each
units
- 47mm - 27.5mm - - - -
RS Stock No. 188-3175
Mfr. Part No.4061 - 90x155
BrandRingfeder
TWD5,293.00
Each
units
65 mm, 70 mm, 75 mm 155mm - 44.5mm 6000 nm, 7550 nm, 9150 nm - - -
RS Stock No. 188-3194
Mfr. Part No.7012 - 60x90
BrandRingfeder
TWD2,788.00
Each
units
- 90mm - 33.5mm - - - -
RS Stock No. 477-6846
Mfr. Part No.ETP EXPRESS 25MM
BrandLenze
TWD7,480.00
Each
units
30mm 25mm 58mm 49mm 230Nm Steel -30°C +85°C
RS Stock No. 477-6717
Mfr. Part No.ETP CLASSIC 35MM
BrandLenze
TWD6,964.00
Each
units
63mm 35mm 47mm 60mm 650Nm Steel -30°C +85°C
RS Stock No. 188-3202
Mfr. Part No.7012 - 95x135
BrandRingfeder
TWD4,157.00
Each
units
- 135mm - 39.5mm - - - -
RS Stock No. 188-3177
Mfr. Part No.7012 - 19x47
BrandRingfeder
TWD2,102.00
Each
units
- 47mm - 27.5mm - - - -
RS Stock No. 188-3184
Mfr. Part No.7012 - 32x60
BrandRingfeder
TWD2,229.00
Each
units
- 60mm - 27.5mm - - - -
RS Stock No. 188-3195
Mfr. Part No.7012 - 65x95
BrandRingfeder
TWD3,104.00
Each
units
- 95mm - 33.5mm - - - -
RS Stock No. 477-7007
Mfr. Part No.TLK110 25X34
BrandLenze
TWD1,188.00
Each
units
25mm 34mm 56mm 51mm 280Nm - -40°C +300°C
RS Stock No. 477-6919
Mfr. Part No.ETP EXPRESS 45MM
BrandLenze
TWD9,084.00
Each
units
54mm 45mm 93mm 78mm 1400Nm Steel -30°C +85°C
RS Stock No. 106-5538
Mfr. Part No.TLK110 40 X 53 mm
BrandTOLLOCK
TWD1,532.00
Each
units
40mm 53mm 75mm 56mm 900Nm - -40°C +300°C
RS Stock No. 477-7029
Mfr. Part No.TLK110 30X41
BrandLenze
TWD1,283.00
Each
units
30mm 41mm 62mm 51mm 510Nm - -40°C +300°C
RS Stock No. 488-8028
Mfr. Part No.R6-56 441
BrandLenze
TWD1,800.00
Each
units
10mm 16mm 28mm 28mm 23Nm Steel -30°C +85°C
RS Stock No. 477-6931
Mfr. Part No.TLK110 8X15
BrandLenze
TWD841.00
Each
units
8mm 15mm 27mm 29mm 29Nm - -40°C +300°C
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 - - -