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. 188-3183
Mfr. Part No.7012 - 30x55
BrandRingfeder
kr 624,94
Each
Units
- 55mm - 27.5mm - - - -
RS Stock No. 477-6953
Mfr. Part No.TLK110 12X18
BrandLenze
kr 247,63
Each
Units
12mm 18mm 32mm 30mm 58Nm - -40°C +300°C
RS Stock No. 188-3199
Mfr. Part No.7012 - 85x125
BrandRingfeder
kr 1 100,45
Each
Units
- 125mm - 39.5mm - - - -
RS Stock No. 188-3153
Mfr. Part No.4061 - 14x37
BrandRingfeder
kr 348,22
Each
Units
10 mm, 11 mm, 12 mm 37mm - 14.8mm 37.5 nm, 46 nm, 60 nm - - -
RS Stock No. 188-3157
Mfr. Part No.4061 - 21x50
BrandRingfeder
kr 379,07
Each
Units
16 mm, 17 mm, 18 mm 50mm - 22.5mm 250 nm, 290 nm, 330 nm - - -
RS Stock No. 188-3161
Mfr. Part No.4061 - 36x72
BrandRingfeder
kr 474,17
Each
Units
28 mm, 30 mm, 31 mm 72mm - 27.5mm 730 nm, 860 nm, 890 nm - - -
RS Stock No. 477-6947
Mfr. Part No.TLK110 10X16
BrandLenze
kr 247,63
Each
Units
10mm 16mm 28mm 30mm 49Nm - -40°C +300°C
RS Stock No. 477-6789
Mfr. Part No.ETP EXPRESS 15MM
BrandLenze
kr 1 823,01
Each
Units
18mm 15mm 46mm 39mm 46Nm Steel -30°C +85°C
RS Stock No. 477-6975
Mfr. Part No.TLK110 14X23
BrandLenze
kr 254,86
Each
Units
14mm 23mm 38mm 30mm 68Nm - -40°C +300°C
RS Stock No. 188-3189
Mfr. Part No.7012 - 45x75
BrandRingfeder
kr 778,26
Each
Units
- 75mm - 33.5mm - - - -
RS Stock No. 188-3172
Mfr. Part No.4061 - 75x138
BrandRingfeder
kr 1 020,51
Each
Units
55 mm, 60 mm, 65 mm 138mm - 37.8mm 3300 nm, 4150 nm, 5100 nm - - -
RS Stock No. 477-6903
Mfr. Part No.ETP EXPRESS 40MM
BrandLenze
kr 2 412,79
Each
Units
48mm 40mm 86.5mm 75mm 1100Nm Steel -30°C +85°C
RS Stock No. 188-3176
Mfr. Part No.4061 - 95x170
BrandRingfeder
kr 1 763,75
Each
Units
65 mm, 70 mm, 75 mm 170mm - 52.5mm 6700 nm, 8450 nm, 10200 nm - - -
RS Stock No. 477-6666
Mfr. Part No.ETP CLASSIC 25MM
BrandLenze
kr 1 437,21
Each
Units
34mm - 49mm 43mm 250Nm Steel -30°C +85°C
RS Stock No. 477-6852
Mfr. Part No.ETP EXPRESS 30MM
BrandLenze
kr 1 931,04
Each
Units
36mm 30mm 64.5mm 54mm 380Nm Steel -30°C +85°C
RS Stock No. 188-3178
Mfr. Part No.7012 - 20x47
BrandRingfeder
kr 606,02
Each
Units
- 47mm - 27.5mm - - - -
RS Stock No. 488-8056
Mfr. Part No.R6-111 18X
BrandLenze
kr 575,54
Each
Units
12mm 18mm 30mm 29.5mm 27Nm Steel -30°C +85°C
RS Stock No. 188-3203
Mfr. Part No.7012 - 100x145
BrandRingfeder
kr 1 432,71
Each
Units
- 145mm - 47mm - - - -
RS Stock No. 188-3163
Mfr. Part No.4061 - 40x72
BrandRingfeder
kr 564,72
Each
Units
30 mm, 31 mm, 32 mm 72mm - 28.5mm 900 nm, 910 nm, 990 nm - - -
RS Stock No. 188-3191
Mfr. Part No.7012 - 50x80
BrandRingfeder
kr 787,51
Each
Units
- 80mm - 33.5mm - - - -
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