Wheel: 5"
Wheel Tread: 2"
Hub: 2-3/16"
Bearing ID: 1-3/16:
Top Plate: 4 x 4-1/2"
Capacity: 800 lbs
Durometer: 95 Shore D (±5)
Temperature range: -40° F to + 475° F continuous, 550° F intermittent
Construction: Macerated construction with cellulose fibers and impregnated with phenolic resin. Excellent durability, non-marking and floor protective. Resists water, grease, animal fats and most acids and alkalies