COM-8T-18 plain sphercial bearing: 1/2″ bore x 1.1875″ OD x .750″ BW x .390″ RW

AURORA COM-8T-18 plain narrow sphercial bearing, maintenance free with PTFE liner

spherical bearings

Aurora COM-8T-18 narrow spherical bearing drawing

Aurora COM-8T-18 narrow spherical bearing drawing with dimensions



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  • Bore: .500″ (12.700 mm)
  • Outside diameter (OD): 1.1875″ (30.16 mm)
  • Ball width (BW): .750″ (19.05 mm)
  • Race width (RW): .390″ (9.91 mm)
  • Fit / no load breakaway torque: no preload
  • Material
    1. Ball: Alloy steel, heat treated, hard chrome plated
    2. Race: Low carbon steel
    3. PTFE liner: AT1400 (PTFE / Dacron laminate)
  • Maximum operating temperature: 121° C (250° F)
  • Manufacturer: Aurora Bearing Company

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