ABT8-1 plain sphercial bearing: 1/2″ bore x 1.000″ OD x .500″ BW x .390″ RW

NMB ABT8-1 plain narrow sphercial bearing, maintenance free with PTFE liner

spherical bearings

NMB Minebea ABT8-1 narrow spherical bearing drawing

NMB Minebea ABT8-1 narrow spherical bearing drawing with dimensions

partnumber

ABT8-1


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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: 1-5 In-Lbs
  • Radial static limit load: 17900 lbs (79623 N)
  • Axial static limit load: 2100 lbs (9341 N)
  • Dynamic oscillating radial load: 7900 lbs (35139 N)
  • Approximate weight: .07 lbs (32 g)
  • Material
    1. Ball: CRES 440C stainless steel
    2. Race: CRES 410 stainless steel, heat treated
    3. PTFE liner: PTFE / Dacron (or glass fiber)
  • Maximum operating temperature: 121° C (250° F)
  • Alternative partnumber: ABT8-1(R)
  • Manufacturer: NMB Minebea

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