4" x 2" Ductile Steel Wheel Kingpinless Rigid Caster - 1,500 Lbs Capacity wheel-type-cast-iron Wheel Type: Cast Iron Wheel

Wheel Type: Cast Iron Wheel Durometer:Brinell 145 Overall Height:9-1/2" Swivel Radius:6"

6" x 3" Cast Iron Wheel - Part # QSTL6RO

5" x 2" Cast Iron V-Groove Wheel Swivel Brake Caster - Part # 146VIRB520SB

4" x 1-7/16" Flanged Ductile Steel Wheel - Part # 7FL4200BST

25" opening in the v-groove that can be used with 3/16" flat iron tracks

4" x 2" Ductile Steel Wheel Kingpinless Rigid Caster - 1,500 Lbs Capacity wheel-type-cast-iron Wheel Type: Cast Iron Wheel4" x 2" Ductile Steel Wheel Kingpinless Rigid Caster Part # P50042DUCT Manufactured from a high strength steel alloy, ductile steel offers improved capacity, durability & impact resistance compared to standard cast iron wheels. Ductile steel provides approximately 45,000 PSI tensile strength & features a thicker tread, spokes & hubs to withstand abusive industrial applications. Its moderately crowned tread design further reduces friction during