PWB-8T-3 plain sphercial bearing: 1/2″ bore x 1.125″ OD x .750″ BW x .500″ RW

AURORA PWB-8T-3 plain wide sphercial bearing, maintenance free with PTFE liner

spherical bearings

Aurora PWB-8T-3 wide spherical bearing drawing

Aurora PWB-8T-3 wide spherical bearing drawing with dimensions



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  • Bore: .500″ (12.700 mm)
  • Outside diameter (OD): 1.125″ (28.575 mm)
  • Ball width (BW): .750″ (19.05 mm)
  • Race width (RW): .500″ (12.70 mm)
  • Fit / no load breakaway torque: preloaded fit
  • Material
    1. Ball: Alloy steel, heat treated, hard chrome plated
    2. Race: 17-4 PH stainless steel, heat treated
    3. PTFE liner: AT3200 (PTFE / Nomex laminate) qualified to SAE-AS81820 Type A for highest performance
  • Maximum operating temperature: 163° C (325° F)
  • Manufacturer: Aurora Bearing Company

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