PWB-4T plain sphercial bearing: 1/4″ bore x .625″ OD x .437″ BW x .327″ RW

AURORA PWB-4T plain wide sphercial bearing, maintenance free with PTFE liner

spherical bearings

Aurora PWB-4T wide spherical bearing drawing

Aurora PWB-4T wide spherical bearing drawing with dimensions

partnumber

PWB-4T


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  • Bore: .250″ (6.350 mm)
  • Outside diameter (OD): .625″ (15.875 mm)
  • Ball width (BW): .437″ (11.10 mm)
  • Race width (RW): .327″ (8.31 mm)
  • Ball diameter: .531″ (13.487 mm)
  • Shoulder diameter: .300″ (7.62 mm)
  • Misalignment α: 15°
  • Fit / no load breakaway torque: .25-5 In-Lbs
  • Radial static limit load: 5500 lbs (24465 N)
  • Axial static limit load: 1770 lbs (7873 N)
  • Approximate weight: .03 lbs (14 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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