PNB-4TG grooved sphercial bearing: 1/4″ bore x .656″ OD x .343″ BW x .250″ RW

AURORA PNB-4TG grooved narrow sphercial bearing, maintenance free with PTFE liner

spherical bearings

Aurora PNB-4TG narrow spherical bearing drawing

Aurora PNB-4TG narrow spherical bearing drawing with dimensions

partnumber

PNB-4TG


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  • Bore: .250″ (6.350 mm)
  • Outside diameter (OD): .656″ (16.67 mm)
  • Ball width (BW): .343″ (8.71 mm)
  • Race width (RW): .250″ (6.35 mm)
  • Ball diameter: .500″ (12.70 mm)
  • Shoulder diameter: .364″ (9.25 mm)
  • Misalignment α: 10°
  • Fit / no load breakaway torque: .25-5 In-Lbs
  • Radial static limit load: 6040 lbs (26867 N)
  • Axial static limit load: 430 lbs (1913 N)
  • Approximate weight: .02 lbs (10 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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