français (Canada)

USDAF Bearings

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USDAF split cap spherical bearing uses 22300, 23000, 23100 or 23200 spherical bearing insert. Available in adapter mount/tapered bore.


  • Industry leading housing features including solid cast feet to increase strength
  • Large capacity oil sump with two oversized drain holes adaptable to circulating oil systems
  • Cast in oil return slots to keep lubricants in
  • Oil-equalization passage allowing pillow block to be drained completely from either side
  • Offset dowels with matched numbers on cape and base to simplify correct assembly
  • Cast-in dimples to locate drill holes for lube fittings, vents, sensors and mounting modifications
  • Housing base threaded to accept Grade 5 cap bolts for added strength
  • Pry slots between the cap and base to allow easy separation
  • Utilizes 'E' design spherical roller bearing insert for higher load carrying capacity
  • USAF and USDAF match industry standard SAF and SDAF mounting dimensions
  • Triple seal is standard

Modifications / accessories

  • Nickel plating
  • Nylon coating and stainless steel hardware are available for harsh/wet environments 
  • Minimum quantities may be required
  • Temperature, speed and vibration available sensors 
  • D-mount adapters for easy removal
  • Drop in Triplet, LER and auxiliary taconite seals are available as options
  • Cast closed housing option available

Common industries

Common applications

  • General purpose spherical roller bearing used in a wide variety of industries and applications
  • Air handling and harsh/wet environment versions available