4" x 2" Ductile Steel V-Groove Wheel Kingpinless Rigid Caster - 1500 Lbs Capacity track-caster Bearing Type:None

Bearing Type:None

Hub Length (with Bearings): 3-1/2"

they can also operate off the track thanks to the tread on either side of the v-groove

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8" x 2" Ductile Steel Wheel Rigid Caster - Part # 146DUCT820R

4" x 2" Ductile Steel V-Groove Wheel Kingpinless Rigid Caster - 1500 Lbs Capacity track-caster Bearing Type:None4" x 2" Ductile Steel V Groove Wheel Kingpinless Rigid Caster Part # P50042DVRB V groove wheels are designed to guide equipment by rolling on inverted angle iron track, however, they can also operate off the track thanks to the tread on either side of the v groove. Ductile steel wheels are the next level up in capacity & durability from cast iron wheels. Made from a combination of alloys that provide excellent tensile strength, these wheels come with