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. 477-6616
Mfr. Part No.ETP CLASSIC 15MM
BrandLenze
€144.14
Each
units
38mm 15mm 23mm 35mm 55Nm Steel -30°C +85°C
RS Stock No. 477-6903
Mfr. Part No.ETP EXPRESS 40MM
BrandLenze
€304.85
Each
units
48mm 40mm 86.5mm 75mm 1100Nm Steel -30°C +85°C
RS Stock No. 477-6789
Mfr. Part No.ETP EXPRESS 15MM
BrandLenze
€200.97
Each
units
18mm 15mm 46mm 39mm 46Nm Steel -30°C +85°C
RS Stock No. 477-6975
Mfr. Part No.TLK110 14X23
BrandLenze
€24.81
Each
units
14mm 23mm 38mm 30mm 68Nm - -40°C +300°C
RS Stock No. 488-8006
Mfr. Part No.R6-111 139
BrandLenze
€46.96
Each
units
6mm 14mm 18mm 22mm 5Nm Steel -30°C +85°C
RS Stock No. 477-6717
Mfr. Part No.ETP CLASSIC 35MM
BrandLenze
€201.32
Each
units
63mm 35mm 47mm 60mm 650Nm Steel -30°C +85°C
RS Stock No. 477-6638
Mfr. Part No.ETP CLASSIC 20MM
BrandLenze
€148.50
Each
units
45mm 20mm 28mm 42mm 125Nm Steel -30°C +85°C
RS Stock No. 188-3189
Mfr. Part No.7012 - 45x75
BrandRingfeder
€78.04
Each
units
- 75mm - 33.5mm - - - -
RS Stock No. 477-6650
Mfr. Part No.ETP CLASSIC 24MM
BrandLenze
€113.23
Each
units
49mm 24mm 34mm 45mm 200Nm Steel -30°C +85°C
RS Stock No. 477-6947
Mfr. Part No.TLK110 10X16
BrandLenze
€25.06
Each
units
10mm 16mm 28mm 30mm 49Nm - -40°C +300°C
RS Stock No. 188-3176
Mfr. Part No.4061 - 95x170
BrandRingfeder
€176.88
Each
units
65 mm, 70 mm, 75 mm 170mm - 52.5mm 6700 nm, 8450 nm, 10200 nm - - -
RS Stock No. 188-3198
Mfr. Part No.7012 - 80x120
BrandRingfeder
€109.92
Each
units
- 120mm - 39.5mm - - - -
RS Stock No. 188-3190
Mfr. Part No.7012 - 48x80
BrandRingfeder
€78.97
Each
units
- 80mm - 33.5mm - - - -
RS Stock No. 477-6953
Mfr. Part No.TLK110 12X18
BrandLenze
€25.06
Each
units
12mm 18mm 32mm 30mm 58Nm - -40°C +300°C
RS Stock No. 477-6739
Mfr. Part No.ETP CLASSIC 40MM
BrandLenze
€226.54
Each
units
70mm 40mm 53mm 68mm 940Nm Steel -30°C +85°C
RS Stock No. 188-3154
Mfr. Part No.4061 - 16x41
BrandRingfeder
€34.88
Each
units
12 mm, 13 mm, 14 mm 41mm - 18.5mm 90 nm, 110 nm, 130 nm - - -
RS Stock No. 188-3203
Mfr. Part No.7012 - 100x145
BrandRingfeder
€143.76
Each
units
- 145mm - 47mm - - - -
RS Stock No. 188-3156
Mfr. Part No.4061 - 20x46
BrandRingfeder
€34.88
Each
units
15 mm, 16 mm, 17 mm 46mm - 21mm 140 nm, 170 nm, 200 nm - - -
RS Stock No. 188-3199
Mfr. Part No.7012 - 85x125
BrandRingfeder
€110.43
Each
units
- 125mm - 39.5mm - - - -
RS Stock No. 106-5539
Mfr. Part No.TLK110 50 X 65 mm
BrandTOLLOCK
€64.71
Each
units
50mm 65mm 92mm 78mm 2600Nm - -40°C +300°C
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