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Concentric- D-Lok ball bearings

Mounted Ball Bearings with concentric locking collar. Concentric shaft attachment ideal for high-speed and high-vibration applications. Fast and easy installation.


Two types: normal duty DL and medium duty DLM
  • Single-lip contact seal with flingers (standard), low-torque labyrinth seal (optional), end covers available from stock
  • Interchangeable mounting dimensions with most competitive products
  • 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 setscrew and eccentric collar bearings, provides concentricity between the bearing and shaft
  • Anti-rotation device prevents insert rotation associated with light or rotating
  • Expansion and non-expansion pillow blocks available for popular shaft sizes
  • High-temperature option available to 400°F
  • Plus or minus 2° static misalignment
  • DualGuard seal with rubberized flinger is standard
  • Premium triple-lip Quadguard seal (available in Extreme Duty offering)

Common Applications

  • Hi-Temperature
  • Low torque labyrinth seals
  • Expansion pillow blocks(DLH-E)
  • Snap-on end covers used on many housing styles

Common Industries

  • Air Handling
  • Food, Beverage, and Pharmaceutical
  • Paper and Forest
  • Unit and Baggage Handling

Key Documents / Links