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. 188-3191
Mfr. Part No.7012 - 50x80
BrandRingfeder
€81.34
Each
units
- 80mm - 33.5mm - - - -
RS Stock No. 188-3173
Mfr. Part No.4061 - 80x145
BrandRingfeder
€129.20
Each
units
60 mm, 65 mm, 70mm 145mm - 37.8mm 4000 Nm, 4900 Nm, 5750Nm - - -
RS Stock No. 188-3203
Mfr. Part No.7012 - 100x145
BrandRingfeder
€148.07
Each
units
- 145mm - 47mm - - - -
RS Stock No. 188-3166
Mfr. Part No.4061 - 48x80
BrandRingfeder
€63.32
Each
units
36 mm, 38 mm, 40mm 80mm - 30mm 1150 Nm, 1350 Nm, 1550Nm - - -
RS Stock No. 477-6947
Mfr. Part No.TLK110 10X16
BrandLenze
€25.81
Each
units
10mm 16mm 28mm 30mm 49Nm - -40°C +300°C
RS Stock No. 188-3188
Mfr. Part No.7012 - 42x75
BrandRingfeder
€80.38
Each
units
- 75mm - 33.5mm - - - -
RS Stock No. 477-7007
Mfr. Part No.TLK110 25X34
BrandLenze
€35.38
Each
units
25mm 34mm 56mm 51mm 280Nm - -40°C +300°C
RS Stock No. 488-8028
Mfr. Part No.R6-56 441
BrandLenze
€55.81
Each
units
10mm 16mm 28mm 28mm 23Nm Steel -30°C +85°C
RS Stock No. 188-3154
Mfr. Part No.4061 - 16x41
BrandRingfeder
€35.93
Each
units
12 mm, 13 mm, 14mm 41mm - 18.5mm 90 Nm, 110 Nm, 130Nm - - -
RS Stock No. 188-3181
Mfr. Part No.7012 - 25x50
BrandRingfeder
€64.60
Each
units
- 50mm - 27.5mm - - - -
RS Stock No. 188-3198
Mfr. Part No.7012 - 80x120
BrandRingfeder
€113.22
Each
units
- 120mm - 39.5mm - - - -
RS Stock No. 477-6638
Mfr. Part No.ETP CLASSIC 20MM
BrandLenze
€138.48
Each
units
45mm 20mm 28mm 42mm 125Nm Steel -30°C +85°C
RS Stock No. 477-7029
Mfr. Part No.TLK110 30X41
BrandLenze
€38.20
Each
units
30mm 41mm 62mm 51mm 510Nm - -40°C +300°C
RS Stock No. 477-6751
Mfr. Part No.ETP CLASSIC 50MM
BrandLenze
€286.63
Each
units
83mm 50mm 65mm 82mm 1900Nm Steel -30°C +85°C
RS Stock No. 477-6931
Mfr. Part No.TLK110 8X15
BrandLenze
€25.05
Each
units
8mm 15mm 27mm 29mm 29Nm - -40°C +300°C
RS Stock No. 188-3187
Mfr. Part No.7012 - 40x65
BrandRingfeder
€68.65
Each
units
- 65mm - 27.5mm - - - -
RS Stock No. 106-5534
Mfr. Part No.TLK110 6 x 14 mm
BrandTOLLOCK
€26.05
Each
units
6mm 14mm 25mm 24mm 16Nm - -40°C +300°C
RS Stock No. 188-3170
Mfr. Part No.4061 - 68x115
BrandRingfeder
€93.17
Each
units
50 mm, 55 mm, 60mm 115mm - 34.5mm 2350 Nm, 2850 Nm, 3600Nm - - -
RS Stock No. 188-3176
Mfr. Part No.4061 - 95x170
BrandRingfeder
€182.19
Each
units
65 mm, 70 mm, 75mm 170mm - 52.5mm 6700 Nm, 8450 Nm, 10200Nm - - -
RS Stock No. 188-3161
Mfr. Part No.4061 - 36x72
BrandRingfeder
€49.04
Each
units
28 mm, 30 mm, 31mm 72mm - 27.5mm 730 Nm, 860 Nm, 890Nm - - -