4" x 2" Ductile Steel Wheel Rigid Brake Caster - 1,250 Lbs Capacity v-groove-wheel 8" x 2" Cast Iron

8" x 2" Cast Iron Wheel Kingpinless Swivel Caster - Part # P51082CIRB

000 lbs Total capacity - Part # 146CIRB620-BBQ

This U-groove wheel is made out of cast iron providing low rolling resistance & good wear resistance

Temp Range: -45°F to 180°F Mounting Plate: 4" x 4-1/2" Wheel Durometer: Rockwell 75B  Bolt Hole Pattern: 2-5/8" x 3-5/8" slotted to 3"x 3" Wheel Color: Red Mounting Bolt Size: 3/8" or Smaller Link to Replacement Wheel: LDS520 Weight: 7

there is a

4" x 2" Ductile Steel Wheel Rigid Brake Caster - 1,250 Lbs Capacity v-groove-wheel 8" x 2" Cast Iron4" x 2" Ductile Steel Wheel Rigid Brake Caster Part # 146DUCT420RB Manufactured from a high strength steel alloy, ductile steel offers improved capacity, durability & impact resistance compared to standard cast iron wheels. Ductile steel provides approximately 45,000 PSI tensile strength & features a thicker tread, spokes & hubs to withstand abusive industrial applications. Its moderately crowned tread design further reduces friction during rolling,