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. 188-3185
Mfr. Part No.7012 - 35x60
BrandRingfeder
HK$567.08
Each
units
- 60mm - 27.5mm - - - -
RS Stock No. 188-3176
Mfr. Part No.4061 - 95x170
BrandRingfeder
HK$1,556.87
Each
units
65 mm, 70 mm, 75 mm 170mm - 52.5mm 6700 nm, 8450 nm, 10200 nm - - -
RS Stock No. 477-6931
Mfr. Part No.TLK110 8X15
BrandLenze
HK$214.04
Each
units
8mm 15mm 27mm 29mm 29Nm - -40°C +300°C
RS Stock No. 106-5536
Mfr. Part No.TLK110 16 X 24 mm
BrandTOLLOCK
HK$238.62
Each
units
16mm 24mm 44mm 42mm 180Nm - -40°C +300°C
RS Stock No. 488-8006
Mfr. Part No.R6-111 139
BrandLenze
HK$413.21
Each
units
6mm 14mm 18mm 22mm 5Nm Steel -30°C +85°C
RS Stock No. 188-3184
Mfr. Part No.7012 - 32x60
BrandRingfeder
HK$567.08
Each
units
- 60mm - 27.5mm - - - -
RS Stock No. 188-3175
Mfr. Part No.4061 - 90x155
BrandRingfeder
HK$1,346.60
Each
units
65 mm, 70 mm, 75 mm 155mm - 44.5mm 6000 nm, 7550 nm, 9150 nm - - -
RS Stock No. 188-3161
Mfr. Part No.4061 - 36x72
BrandRingfeder
HK$418.59
Each
units
28 mm, 30 mm, 31 mm 72mm - 27.5mm 730 nm, 860 nm, 890 nm - - -
RS Stock No. 477-6789
Mfr. Part No.ETP EXPRESS 15MM
BrandLenze
HK$1,768.51
Each
units
18mm 15mm 46mm 39mm 46Nm Steel -30°C +85°C
RS Stock No. 188-3157
Mfr. Part No.4061 - 21x50
BrandRingfeder
HK$334.62
Each
units
16 mm, 17 mm, 18 mm 50mm - 22.5mm 250 nm, 290 nm, 330 nm - - -
RS Stock No. 188-3158
Mfr. Part No.4061 - 24x50
BrandRingfeder
HK$334.62
Each
units
19 mm, 20 mm, 21 mm 50mm - 22.5mm 300 nm, 340 nm, 390 nm - - -
RS Stock No. 188-3173
Mfr. Part No.4061 - 80x145
BrandRingfeder
HK$1,103.96
Each
units
60 mm, 65 mm, 70 mm 145mm - 37.8mm 4000 nm, 4900 nm, 5750 nm - - -
RS Stock No. 477-6650
Mfr. Part No.ETP CLASSIC 24MM
BrandLenze
HK$996.42
Each
units
49mm 24mm 34mm 45mm 200Nm Steel -30°C +85°C
RS Stock No. 188-3182
Mfr. Part No.7012 - 28x55
BrandRingfeder
HK$551.64
Each
units
- 55mm - 27.5mm - - - -
RS Stock No. 106-5539
Mfr. Part No.TLK110 50 X 65 mm
BrandTOLLOCK
HK$572.08
Each
units
50mm 65mm 92mm 78mm 2600Nm - -40°C +300°C
RS Stock No. 477-6767
Mfr. Part No.ETP CLASSIC 45MM
BrandLenze
HK$1,500.13
Each
units
77mm 45mm 59mm 75mm 1290Nm Steel -30°C +85°C
RS Stock No. 477-6751
Mfr. Part No.ETP CLASSIC 50MM
BrandLenze
HK$2,448.85
Each
units
83mm 50mm 65mm 82mm 1900Nm Steel -30°C +85°C
RS Stock No. 477-6717
Mfr. Part No.ETP CLASSIC 35MM
BrandLenze
HK$1,771.60
Each
units
63mm 35mm 47mm 60mm 650Nm Steel -30°C +85°C
RS Stock No. 477-7013
Mfr. Part No.TLK110 28X39
BrandLenze
HK$301.44
Each
units
28mm 39mm 61mm 51mm 465Nm - -40°C +300°C
RS Stock No. 188-3192
Mfr. Part No.7012 - 55x85
BrandRingfeder
HK$726.55
Each
units
- 85mm - 33.5mm - - - -