Caster Barn's 8 inch diameter by 2 inch wide Ductile steel wheel is a combination of specialalloys that give it higher weight capacitiesthan cast iron, and is more economical thandrop forged steel; also referred to as malleableiron; material may flex rather than crackingor breaking when submitted to an extremeshock load.
•Extra thick walled, heavy-duty core, hub & tread face. •Precision & tapered bearings maximize mobility and performance in towing and severe use environments. •Tensile strength of 45,000 PSI. •Temperature range: -45° F to 800° F.
Wheel Diameter:8" Tread Width:2" Tread Face:Flat Hub Length ( Width where Axle Goes Through ) :2 7/16" Maximum Capacity: 1500 lbs each Wheel Bearing:3/4" Roller Bearing Spanner:Yes Axle Diameter:1/2"