Race 28521 - NTN



Nationwide Trailers Parts offers premium NTN tapered roller bearings and races. NTN tapered roller bearings and races feature case-carburized components. Cups, cones and rollers are made from case-hardened alloy steel of “Bearing Quality” to provide superior fatigue life and reliability. Precise control of heat treatment, dimensions and surface finish of the components further contribute to reliable bearing and race performance. NTN tapered roller bearings and races are high quality and ultra reliable.

Replacement inner race for 10,000 lb. AL-KO & Quality Running Gear general duty axles with #99 spindle. Race provides smooth surface for bearing to roll on inside of trailer hub.
  • Industry Standard Part Number: 28521
  • Outer Diameter: 3.625"
  • Matching Bearing (Sold Separately): 28580
  • 10K QRG
  • 10K ALKO