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
MYR128.54
Each
units
10mm 16mm 28mm 30mm 49Nm - -40°C +300°C
RS Stock No. 477-7029
Mfr. Part No.TLK110 30X41
BrandLenze
MYR190.30
Each
units
30mm 41mm 62mm 51mm 510Nm - -40°C +300°C
RS Stock No. 477-6874
Mfr. Part No.ETP EXPRESS 32MM
BrandLenze
MYR939.40
Each
units
39mm 32mm 68.5mm 56mm 440Nm Steel -30°C +85°C
RS Stock No. 188-3174
Mfr. Part No.4061 - 85x155
BrandRingfeder
MYR721.36
Each
units
60 mm, 65 mm, 70 mm 155mm - 45.8mm 6050 nm, 7250 nm, 8500 nm - - -
RS Stock No. 477-6701
Mfr. Part No.ETP CLASSIC 32MM
BrandLenze
MYR684.44
Each
units
60mm 32mm 43mm 57mm 420Nm Steel -30°C +85°C
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. 188-3183
Mfr. Part No.7012 - 30x55
BrandRingfeder
MYR321.64
Each
units
- 55mm - 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. 188-3203
Mfr. Part No.7012 - 100x145
BrandRingfeder
MYR737.40
Each
units
- 145mm - 47mm - - - -
RS Stock No. 188-3202
Mfr. Part No.7012 - 95x135
BrandRingfeder
MYR616.74
Each
units
- 135mm - 39.5mm - - - -
RS Stock No. 188-3175
Mfr. Part No.4061 - 90x155
BrandRingfeder
MYR793.40
Each
units
65 mm, 70 mm, 75 mm 155mm - 44.5mm 6000 nm, 7550 nm, 9150 nm - - -
RS Stock No. 188-3155
Mfr. Part No.4061 - 18x44
BrandRingfeder
MYR181.11
Each
units
14 mm, 15 mm, 16 mm 44mm - 18.5mm 110 nm, 130 nm, 160 nm - - -
RS Stock No. 188-3179
Mfr. Part No.7012 - 22x47
BrandRingfeder
MYR311.90
Each
units
- 47mm - 27.5mm - - - -
RS Stock No. 188-3197
Mfr. Part No.7012 - 75x115
BrandRingfeder
MYR557.70
Each
units
- 115mm - 39.5mm - - - -
RS Stock No. 477-6789
Mfr. Part No.ETP EXPRESS 15MM
BrandLenze
MYR1,031.16
Each
units
18mm 15mm 46mm 39mm 46Nm Steel -30°C +85°C
RS Stock No. 488-8056
Mfr. Part No.R6-111 18X
BrandLenze
MYR294.49
Each
units
12mm 18mm 30mm 29.5mm 27Nm Steel -30°C +85°C
RS Stock No. 188-3162
Mfr. Part No.4061 - 38x72
BrandRingfeder
MYR271.63
Each
units
29 mm, 30 mm, 31 mm 72mm - 30mm 890 nm, 970 nm, 980 nm - - -
RS Stock No. 106-5539
Mfr. Part No.TLK110 50 X 65 mm
BrandTOLLOCK
MYR331.98
Each
units
50mm 65mm 92mm 78mm 2600Nm - -40°C +300°C
RS Stock No. 477-6694
Mfr. Part No.ETP CLASSIC 30MM
BrandLenze
MYR916.78
Each
units
57mm 30mm 41mm 52mm 420Nm Steel -30°C +85°C
RS Stock No. 488-8012
Mfr. Part No.R6-111 147
BrandLenze
MYR251.34
Each
units
8mm 15mm 27mm 25.5mm 17Nm Steel -30°C +85°C