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. 188-3172
Mfr. Part No.4061 - 75x138
BrandRingfeder
MYR501.51
Each
units
55 mm, 60 mm, 65 mm 138mm - 37.8mm 3300 nm, 4150 nm, 5100 nm - - -
RS Stock No. 477-6953
Mfr. Part No.TLK110 12X18
BrandLenze
MYR114.66
Each
units
12mm 18mm 32mm 30mm 58Nm - -40°C +300°C
RS Stock No. 188-3153
Mfr. Part No.4061 - 14x37
BrandRingfeder
MYR171.08
Each
units
10 mm, 11 mm, 12 mm 37mm - 14.8mm 37.5 nm, 46 nm, 60 nm - - -
RS Stock No. 477-6650
Mfr. Part No.ETP CLASSIC 24MM
BrandLenze
MYR544.79
Each
units
49mm 24mm 34mm 45mm 200Nm Steel -30°C +85°C
RS Stock No. 188-3179
Mfr. Part No.7012 - 22x47
BrandRingfeder
MYR297.88
Each
units
- 47mm - 27.5mm - - - -
RS Stock No. 477-6789
Mfr. Part No.ETP EXPRESS 15MM
BrandLenze
MYR1,001.21
Each
units
18mm 15mm 46mm 39mm 46Nm Steel -30°C +85°C
RS Stock No. 477-6717
Mfr. Part No.ETP CLASSIC 35MM
BrandLenze
MYR1,034.95
Each
units
63mm 35mm 47mm 60mm 650Nm Steel -30°C +85°C
RS Stock No. 188-3169
Mfr. Part No.4061 - 62x110
BrandRingfeder
MYR399.64
Each
units
48 mm, 50 mm, 52 mm 110mm - 34.5mm 3000 nm, 3300 nm, 3500 nm - - -
RS Stock No. 106-5536
Mfr. Part No.TLK110 16 X 24 mm
BrandTOLLOCK
MYR137.76
Each
units
16mm 24mm 44mm 42mm 180Nm - -40°C +300°C
RS Stock No. 477-6997
Mfr. Part No.TLK110 20X28
BrandLenze
MYR131.91
Each
units
20mm 28mm 50mm 44mm 220Nm - -40°C +300°C
RS Stock No. 188-3176
Mfr. Part No.4061 - 95x170
BrandRingfeder
MYR866.74
Each
units
65 mm, 70 mm, 75 mm 170mm - 52.5mm 6700 nm, 8450 nm, 10200 nm - - -
RS Stock No. 188-3177
Mfr. Part No.7012 - 19x47
BrandRingfeder
MYR297.88
Each
units
- 47mm - 27.5mm - - - -
RS Stock No. 488-8006
Mfr. Part No.R6-111 139
BrandLenze
MYR240.73
Each
units
6mm 14mm 18mm 22mm 5Nm Steel -30°C +85°C
RS Stock No. 188-3201
Mfr. Part No.7012 - 90x130
BrandRingfeder
MYR571.65
Each
units
- 130mm - 39.5mm - - - -
RS Stock No. 477-6925
Mfr. Part No.ETP EXPRESS 50MM
BrandLenze
MYR1,338.22
Each
units
60mm 50mm 98.5mm 80mm 1900Nm Steel -30°C +85°C
RS Stock No. 106-5538
Mfr. Part No.TLK110 40 X 53 mm
BrandTOLLOCK
MYR202.66
Each
units
40mm 53mm 75mm 56mm 900Nm - -40°C +300°C
RS Stock No. 188-3181
Mfr. Part No.7012 - 25x50
BrandRingfeder
MYR307.15
Each
units
- 50mm - 27.5mm - - - -
RS Stock No. 477-6767
Mfr. Part No.ETP CLASSIC 45MM
BrandLenze
MYR780.22
Each
units
77mm 45mm 59mm 75mm 1290Nm Steel -30°C +85°C
RS Stock No. 488-8034
Mfr. Part No.R6-111 171
BrandLenze
MYR250.02
Each
units
11mm 18mm 30mm 29.5mm 25Nm Steel -30°C +85°C
RS Stock No. 477-6931
Mfr. Part No.TLK110 8X15
BrandLenze
MYR124.90
Each
units
8mm 15mm 27mm 29mm 29Nm - -40°C +300°C
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