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. 477-6789
Mfr. Part No.ETP EXPRESS 15MM
BrandLenze
TWD6,952.00
Each
units
18mm 15mm 46mm 39mm 46Nm Steel -30°C +85°C
RS Stock No. 477-6694
Mfr. Part No.ETP CLASSIC 30MM
BrandLenze
TWD6,178.00
Each
units
57mm 30mm 41mm 52mm 420Nm Steel -30°C +85°C
RS Stock No. 477-6616
Mfr. Part No.ETP CLASSIC 15MM
BrandLenze
TWD4,986.00
Each
units
38mm 15mm 23mm 35mm 55Nm Steel -30°C +85°C
RS Stock No. 477-6852
Mfr. Part No.ETP EXPRESS 30MM
BrandLenze
TWD8,462.00
Each
units
36mm 30mm 64.5mm 54mm 380Nm Steel -30°C +85°C
RS Stock No. 477-6638
Mfr. Part No.ETP CLASSIC 20MM
BrandLenze
TWD5,137.00
Each
units
45mm 20mm 28mm 42mm 125Nm Steel -30°C +85°C
RS Stock No. 477-6874
Mfr. Part No.ETP EXPRESS 32MM
BrandLenze
TWD6,267.00
Each
units
39mm 32mm 68.5mm 56mm 440Nm Steel -30°C +85°C
RS Stock No. 477-7091
Mfr. Part No.TLK110 19X27
BrandLenze
TWD941.00
Each
units
19mm 27mm 49mm 44mm 210Nm - -40°C +300°C
RS Stock No. 477-6739
Mfr. Part No.ETP CLASSIC 40MM
BrandLenze
TWD7,836.00
Each
units
70mm 40mm 53mm 68mm 940Nm Steel -30°C +85°C
RS Stock No. 188-3156
Mfr. Part No.4061 - 20x46
BrandRingfeder
TWD1,208.00
Each
units
15 mm, 16 mm, 17 mm 46mm - 21mm 140 nm, 170 nm, 200 nm - - -
RS Stock No. 488-8034
Mfr. Part No.R6-111 171
BrandLenze
TWD1,890.00
Each
units
11mm 18mm 30mm 29.5mm 25Nm Steel -30°C +85°C
RS Stock No. 106-5537
Mfr. Part No.TLK110 35 X 47 mm
BrandTOLLOCK
TWD1,428.00
Each
units
35mm 47mm 69mm 56mm 790Nm - -40°C +300°C
RS Stock No. 188-3179
Mfr. Part No.7012 - 22x47
BrandRingfeder
TWD2,102.00
Each
units
- 47mm - 27.5mm - - - -
RS Stock No. 188-3183
Mfr. Part No.7012 - 30x55
BrandRingfeder
TWD2,169.00
Each
units
- 55mm - 27.5mm - - - -
RS Stock No. 477-6650
Mfr. Part No.ETP CLASSIC 24MM
BrandLenze
TWD3,916.00
Each
units
49mm 24mm 34mm 45mm 200Nm Steel -30°C +85°C
RS Stock No. 488-8006
Mfr. Part No.R6-111 139
BrandLenze
TWD1,624.00
Each
units
6mm 14mm 18mm 22mm 5Nm Steel -30°C +85°C
RS Stock No. 477-6751
Mfr. Part No.ETP CLASSIC 50MM
BrandLenze
TWD9,625.00
Each
units
83mm 50mm 65mm 82mm 1900Nm Steel -30°C +85°C
RS Stock No. 188-3194
Mfr. Part No.7012 - 60x90
BrandRingfeder
TWD2,788.00
Each
units
- 90mm - 33.5mm - - - -
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 - - -
RS Stock No. 188-3157
Mfr. Part No.4061 - 21x50
BrandRingfeder
TWD1,315.00
Each
units
16 mm, 17 mm, 18 mm 50mm - 22.5mm 250 nm, 290 nm, 330 nm - - -
RS Stock No. 188-3190
Mfr. Part No.7012 - 48x80
BrandRingfeder
TWD2,732.00
Each
units
- 80mm - 33.5mm - - - -