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D-LOK Clamp Collar Bearings

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The D-Lok is an eccentric clamp collar mounted ball bearing designed for improved concentricity minimizing vibration and shaft damage during operation.


  • Concentric clamp collar locks the bearing to the shaft by tightening a single Allen wrench cap screw – the bearing will not mar the shaft like set screw and eccentric collar bearings – provides concentricity between the bearing and shaft
  • DualGuard seal - comprised of single lip seal and rubberized flinger is standard on all DL and DLM
  • Snap-on end covers available from stock for most popular cast housings
  • Interchangeable mounting dimensions with most competitive products
  • Expansion and non-expansion pillow blocks available for popular shaft sizes
  • Plus or minus 2° static misalignment

Available options

  • LL lo torque labyrinth seals are optional
  • High-temperature option available to 400°F (204°C)

Common applications

  • Conveyors
  • Mechanical drives
  • Extreme duty environments