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63/64-Extreme Duty Kingpinless Series-20,000 lb

  • ASTM1045 steel, drop forged ½" thick swivel head, 4-1/2" diameter precisely machined raceway of 5/8" diameter hardened steel ball bearings
  • Legs are formed from 3/8" thick steel, double welded
  • 1" grade 5 axle bolt for 3" wide wheels
  • 1-1/4" grade 8 machined axle bolt for 4" wide wheels
  • Zinc-plated
  • Grease fitting on raceway and axle