6" x 2" Ductile Steel V-Groove Wheel Swivel Caster - 1,250 Lbs Capacity track-caster 85" Wheel Type: Cast Iron

85" Wheel Type: Cast Iron U-Groove Durometer: Brinell 145 Bearing ID: 3/4"  Temp Range: -40˚F to 600˚F Bearing Type Roller Bearings Weight: 3

however can also operate off a track thanks to the tread on either side of the U-groove

): 900 Link to Matching Rigid Caster: 146VIRB520R

Ball Transfer 1-3/16 Heavy Duty with 2" O

6" x 2" Ductile Steel V-Groove Wheel Swivel Caster - 1,250 Lbs Capacity track-caster 85" Wheel Type: Cast Iron6" x 2" Ductile Steel V Groove Wheel Swivel Caster Part # 146DVRB620S Ductile V Groove wheels are designed to guide equipment along inverted angle iron tracks but can also function without a track due to the tread on both sides of the V groove. Made from a combination of alloys that provide excellent tensile strength, these wheels come with extra thick treads, hubs & walls. Ductile steel is a step up from cast iron, offering higher capacity &