- 4" x 2" Ductile Steel Wheel - Flat Face Tread
- 2-3/16" Hub Length
- 3/4" I.D. Straight Roller Bearings
- Metal Retainer Washer - Powdered Metal Construction
- Red Painted Finish
- Grease Lubrication Fitting in Wheel Core
- 45,000 PSI Tensile Steel
Red Paint
- -45° F -to- +800° F Temperature Range
- 1,500 lbs Capacity
Ductile steel is a combination of special alloys that give it higher weight capacities than cast iron, and is more economical than drop forged steel; also referred to as malleable iron.