PNB-8T plain sphercial bearing: 1/2″ bore x 1.000″ OD x .500″ BW x .390″ RW

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

spherical bearings

Aurora PNB-8T narrow spherical bearing drawing

Aurora PNB-8T narrow spherical bearing drawing with dimensions

partnumber

PNB-8T


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  • Bore: .500″ (12.700 mm)
  • Outside diameter (OD): 1.000″ (25.40 mm)
  • Ball width (BW): .500″ (12.70 mm)
  • Race width (RW): .390″ (9.91 mm)
  • Ball diameter: .781″ (19.84 mm)
  • Shoulder diameter: .600″ (15.24 mm)
  • Misalignment α: 8°
  • Fit / no load breakaway torque: .25-8 In-Lbs
  • Radial static limit load: 17900 lbs (79623 N)
  • Axial static limit load: 2100 lbs (9341 N)
  • Approximate weight: .07 lbs (32 g)
  • 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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