Not ideal for loads above the listed 64
Equipped with 6" mold-on polyurethane steering wheels and 3" mold-on polyurethane load wheels
21HR50GB4274YY Adapter Size: 1-1/8" Tube I
(38-mm) of insulating air space for fire resistance
The original product data lists Telescoping construction or material
4" x 1-1/2" High Temp. Brimstone Wheel S.S. Swivel Caster - 400 lbs. Cap. 1-1/2" Tread Width Not ideal for loads aboveProduct Overview Brimstone wheels are made out of an exclusively engineered thermo compound designed for high temperature, autoclave, and steam cleaning wash down applications. They provide excellent resistance to oil, grease, salt, and most acids, chemicals, and cleaning solutions. Tread & Core: Solid Cast Thermo Compound This caster is listed with wheel diameter 4", tread width 1 1 2", load capacity 400 Lbs., bearing type Straight Bushing, and plate