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ETP Mini Locking Bush

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ETP Mini Locking Bush

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Code: ETP Mini
Brand: ETP

Industrial Clutch Parts Ltd. supply a complete range of Lenze ETP Locking Bushes.

ETP Mini is a miniature mechanical locking bush designed for small shafts, suitable for the smaller applications.


  • Easy to mount
  • Available in stainless steel for food processing industry
  • Shaft sizes: 6 to 14 mm

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ETP Mini Locking Bush

ETP Mini creates a backlash free hub connection that is adjustable and easy to remove, superior to keyways or setscrews.Typical applications include mounting of hubs on small electrical motors, step-motors and encoders. As no keyways are needed, the shaft will not be weakened and the unbalance will be lower, which is very important at high speeds, as the motor bearing is sensitive to vibrations.

The ETP Mini design consists of two conical, partially slotted steel sleeves (type R stainless steel) and retaining screws (type R rust-free), equivalent to a mechanical locking element with high precision. When the screws are tightened, the inner sleeve presses against the shaft and the outer sleeve presses against the hub to create a secure connection. For disassembly, one or two of the screws must be screwed into the threaded holes of the flange. When the screws are screwed in, the sleeves are released and the connection is broken.

ETP Mini type R has one more screw than the standard ETP Mini, so that it can transmit the same torque (lower tightening torque for rust-free screws). The mounting dimensions are identical. 

Additional Information

Additional Information

Product Type Locking Bush
Brand ETP
PDF Catalogue PDF Download Download
Actuation Method Mechanical
OEM Numbers
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