LÅSMUTTER SKF

Lock nuts are used to secure bearings to a shaft or collet.

AN lock nuts are used to secure bearings to a shaft or collet. They have four evenly spaced notches around their outer edge, which fit a hook or impact wrench. The lock nuts are secured to the shaft with a W-type lock washer, which engages in a keyway in the shaft or collet thread. AN series lock nuts can be reused provided they are not damaged.

• Simple, stable and reliable fastener
• Easy to assemble and disassemble
• Can be reused with new locking device
• Requires keyway in shaft or collet thread

Precision lock nuts in the KMD series are designed for installations where high precision, easy assembly and reliable locking are required. The three evenly spaced locking pins allow the nuts to be positioned accurately with the correct inclination to the shaft. They can also be adjusted to compensate for small angular deviations of the connecting components. Maximum axial runout between contact surface and thread (up to size 40): 0.005 mm

• • No keyway required
  • Withstands high axial loads
  • Reliable and effective locking mechanism
  • Designed to be assembled and disassembled frequently
  • Available for threads M 10x0.75 to M 200x3 (size 0 to 40) and Tr 220x4 to Tr 420x5 (size 44 to 84)