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. 477-6947
Mfr. Part No.TLK110 10X16
BrandLenze
MYR115.69
Each
units
10mm 16mm 28mm 30mm 49Nm - -40°C +300°C
RS Stock No. 477-6874
Mfr. Part No.ETP EXPRESS 32MM
BrandLenze
MYR957.00
Each
units
39mm 32mm 68.5mm 56mm 440Nm Steel -30°C +85°C
RS Stock No. 477-7029
Mfr. Part No.TLK110 30X41
BrandLenze
MYR171.27
Each
units
30mm 41mm 62mm 51mm 510Nm - -40°C +300°C
RS Stock No. 477-6931
Mfr. Part No.TLK110 8X15
BrandLenze
MYR112.32
Each
units
8mm 15mm 27mm 29mm 29Nm - -40°C +300°C
RS Stock No. 477-6638
Mfr. Part No.ETP CLASSIC 20MM
BrandLenze
MYR685.76
Each
units
45mm 20mm 28mm 42mm 125Nm Steel -30°C +85°C
RS Stock No. 477-6997
Mfr. Part No.TLK110 20X28
BrandLenze
MYR133.09
Each
units
20mm 28mm 50mm 44mm 220Nm - -40°C +300°C
RS Stock No. 188-3185
Mfr. Part No.7012 - 35x60
BrandRingfeder
MYR330.65
Each
units
- 60mm - 27.5mm - - - -
RS Stock No. 188-3157
Mfr. Part No.4061 - 21x50
BrandRingfeder
MYR197.16
Each
units
16 mm, 17 mm, 18 mm 50mm - 22.5mm 250 nm, 290 nm, 330 nm - - -
RS Stock No. 488-8012
Mfr. Part No.R6-111 147
BrandLenze
MYR226.21
Each
units
8mm 15mm 27mm 25.5mm 17Nm Steel -30°C +85°C
RS Stock No. 477-6739
Mfr. Part No.ETP CLASSIC 40MM
BrandLenze
MYR1,046.13
Each
units
70mm 40mm 53mm 68mm 940Nm Steel -30°C +85°C
RS Stock No. 188-3177
Mfr. Part No.7012 - 19x47
BrandRingfeder
MYR311.90
Each
units
- 47mm - 27.5mm - - - -
RS Stock No. 488-8034
Mfr. Part No.R6-111 171
BrandLenze
MYR283.23
Each
units
11mm 18mm 30mm 29.5mm 25Nm Steel -30°C +85°C
RS Stock No. 477-7013
Mfr. Part No.TLK110 28X39
BrandLenze
MYR175.76
Each
units
28mm 39mm 61mm 51mm 465Nm - -40°C +300°C
RS Stock No. 188-3179
Mfr. Part No.7012 - 22x47
BrandRingfeder
MYR311.90
Each
units
- 47mm - 27.5mm - - - -
RS Stock No. 477-6767
Mfr. Part No.ETP CLASSIC 45MM
BrandLenze
MYR883.86
Each
units
77mm 45mm 59mm 75mm 1290Nm Steel -30°C +85°C
RS Stock No. 106-5534
Mfr. Part No.TLK110 6 x 14 mm
BrandTOLLOCK
MYR119.36
Each
units
6mm 14mm 25mm 24mm 16Nm - -40°C +300°C
RS Stock No. 488-8028
Mfr. Part No.R6-56 441
BrandLenze
MYR269.36
Each
units
10mm 16mm 28mm 28mm 23Nm Steel -30°C +85°C
RS Stock No. 188-3195
Mfr. Part No.7012 - 65x95
BrandRingfeder
MYR414.34
Each
units
- 95mm - 33.5mm - - - -
RS Stock No. 188-3176
Mfr. Part No.4061 - 95x170
BrandRingfeder
MYR917.29
Each
units
65 mm, 70 mm, 75 mm 170mm - 52.5mm 6700 nm, 8450 nm, 10200 nm - - -
RS Stock No. 188-3188
Mfr. Part No.7012 - 42x75
BrandRingfeder
MYR400.55
Each
units
- 75mm - 33.5mm - - - -