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. 477-6997
Mfr. Part No.TLK110 20X28
BrandLenze
kr 284,78
Each
Units
20mm 28mm 50mm 44mm 220Nm - -40°C +300°C
RS Stock No. 106-5539
Mfr. Part No.TLK110 50 X 65 mm
BrandTOLLOCK
kr 682,96
Each
Units
50mm 65mm 92mm 78mm 2600Nm - -40°C +300°C
RS Stock No. 477-6925
Mfr. Part No.ETP EXPRESS 50MM
BrandLenze
kr 3 019,72
Each
Units
60mm 50mm 98.5mm 80mm 1900Nm Steel -30°C +85°C
RS Stock No. 488-8028
Mfr. Part No.R6-56 441
BrandLenze
kr 526,33
Each
Units
10mm 16mm 28mm 28mm 23Nm Steel -30°C +85°C
RS Stock No. 488-8006
Mfr. Part No.R6-111 139
BrandLenze
kr 471,03
Each
Units
6mm 14mm 18mm 22mm 5Nm Steel -30°C +85°C
RS Stock No. 477-6818
Mfr. Part No.ETP EXPRESS 20MM
BrandLenze
kr 1 867,63
Each
Units
24mm 20mm 51.5mm 44mm 110Nm Steel -30°C +85°C
RS Stock No. 477-6694
Mfr. Part No.ETP CLASSIC 30MM
BrandLenze
kr 1 624,70
Each
Units
57mm 30mm 41mm 52mm 420Nm Steel -30°C +85°C
RS Stock No. 477-7029
Mfr. Part No.TLK110 30X41
BrandLenze
kr 366,50
Each
Units
30mm 41mm 62mm 51mm 510Nm - -40°C +300°C
RS Stock No. 477-6947
Mfr. Part No.TLK110 10X16
BrandLenze
kr 247,63
Each
Units
10mm 16mm 28mm 30mm 49Nm - -40°C +300°C
RS Stock No. 477-6789
Mfr. Part No.ETP EXPRESS 15MM
BrandLenze
kr 1 823,01
Each
Units
18mm 15mm 46mm 39mm 46Nm Steel -30°C +85°C
RS Stock No. 188-3157
Mfr. Part No.4061 - 21x50
BrandRingfeder
kr 379,07
Each
Units
16 mm, 17 mm, 18 mm 50mm - 22.5mm 250 nm, 290 nm, 330 nm - - -
RS Stock No. 188-3173
Mfr. Part No.4061 - 80x145
BrandRingfeder
kr 1 250,68
Each
Units
60 mm, 65 mm, 70 mm 145mm - 37.8mm 4000 nm, 4900 nm, 5750 nm - - -
RS Stock No. 188-3199
Mfr. Part No.7012 - 85x125
BrandRingfeder
kr 1 100,45
Each
Units
- 125mm - 39.5mm - - - -
RS Stock No. 188-3166
Mfr. Part No.4061 - 48x80
BrandRingfeder
kr 612,73
Each
Units
36 mm, 38 mm, 40 mm 80mm - 30mm 1150 nm, 1350 nm, 1550 nm - - -
RS Stock No. 477-6953
Mfr. Part No.TLK110 12X18
BrandLenze
kr 247,63
Each
Units
12mm 18mm 32mm 30mm 58Nm - -40°C +300°C
RS Stock No. 106-5536
Mfr. Part No.TLK110 16 X 24 mm
BrandTOLLOCK
kr 284,78
Each
Units
16mm 24mm 44mm 42mm 180Nm - -40°C +300°C
RS Stock No. 106-5538
Mfr. Part No.TLK110 40 X 53 mm
BrandTOLLOCK
kr 467,31
Each
Units
40mm 53mm 75mm 56mm 900Nm - -40°C +300°C
RS Stock No. 188-3158
Mfr. Part No.4061 - 24x50
BrandRingfeder
kr 379,07
Each
Units
19 mm, 20 mm, 21 mm 50mm - 22.5mm 300 nm, 340 nm, 390 nm - - -
RS Stock No. 188-3202
Mfr. Part No.7012 - 95x135
BrandRingfeder
kr 1 198,24
Each
Units
- 135mm - 39.5mm - - - -
RS Stock No. 477-6650
Mfr. Part No.ETP CLASSIC 24MM
BrandLenze
kr 1 390,26
Each
Units
49mm 24mm 34mm 45mm 200Nm Steel -30°C +85°C
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