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. 477-6650
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. 477-6931
Mfr. Part No.TLK110 8X15
BrandLenze
TWD841.00
Each
units
8mm 15mm 27mm 29mm 29Nm - -40°C +300°C
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. 477-6880
Mfr. Part No.ETP EXPRESS 35MM
BrandLenze
TWD9,533.00
Each
units
42mm 72mm 35mm 59mm 640Nm Steel -30°C +85°C
RS Stock No. 488-8056
Mfr. Part No.R6-111 18X
BrandLenze
TWD1,986.00
Each
units
12mm 18mm 30mm 29.5mm 27Nm Steel -30°C +85°C
RS Stock No. 188-3154
Mfr. Part No.4061 - 16x41
BrandRingfeder
TWD1,208.00
Each
units
12 mm, 13 mm, 14 mm 41mm - 18.5mm 90 nm, 110 nm, 130 nm - - -
RS Stock No. 477-6975
Mfr. Part No.TLK110 14X23
BrandLenze
TWD858.00
Each
units
14mm 23mm 38mm 30mm 68Nm - -40°C +300°C
RS Stock No. 477-6903
Mfr. Part No.ETP EXPRESS 40MM
BrandLenze
TWD10,545.00
Each
units
48mm 40mm 86.5mm 75mm 1100Nm 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. 477-6919
Mfr. Part No.ETP EXPRESS 45MM
BrandLenze
TWD9,084.00
Each
units
54mm 45mm 93mm 78mm 1400Nm Steel -30°C +85°C
RS Stock No. 188-3181
Mfr. Part No.7012 - 25x50
BrandRingfeder
TWD2,169.00
Each
units
- 50mm - 27.5mm - - - -
RS Stock No. 477-7007
Mfr. Part No.TLK110 25X34
BrandLenze
TWD1,188.00
Each
units
25mm 34mm 56mm 51mm 280Nm - -40°C +300°C
RS Stock No. 188-3174
Mfr. Part No.4061 - 85x155
BrandRingfeder
TWD4,813.00
Each
units
60 mm, 65 mm, 70 mm 155mm - 45.8mm 6050 nm, 7250 nm, 8500 nm - - -
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. 488-8028
Mfr. Part No.R6-56 441
BrandLenze
TWD1,800.00
Each
units
10mm 16mm 28mm 28mm 23Nm Steel -30°C +85°C
RS Stock No. 188-3176
Mfr. Part No.4061 - 95x170
BrandRingfeder
TWD6,120.00
Each
units
65 mm, 70 mm, 75 mm 170mm - 52.5mm 6700 nm, 8450 nm, 10200 nm - - -
RS Stock No. 188-3186
Mfr. Part No.7012 - 38x65
BrandRingfeder
TWD2,304.00
Each
units
- 65mm - 27.5mm - - - -
RS Stock No. 188-3179
Mfr. Part No.7012 - 22x47
BrandRingfeder
TWD2,102.00
Each
units
- 47mm - 27.5mm - - - -
RS Stock No. 188-3180
Mfr. Part No.7012 - 24x50
BrandRingfeder
TWD2,169.00
Each
units
- 50mm - 27.5mm - - - -
RS Stock No. 188-3166
Mfr. Part No.4061 - 48x80
BrandRingfeder
TWD2,126.00
Each
units
36 mm, 38 mm, 40 mm 80mm - 30mm 1150 nm, 1350 nm, 1550 nm - - -