4" x 2" Ductile Steel V-Groove Wheel Kingpinless Swivel Brake Caster - 1250 Lbs Capacity u-groove-wheel 10" x 2-1/2" Cast Iron

10" x 2-1/2" Cast Iron Rigid Caster - Part # Q7110R01STL

): 900 Link to Matching Swivel Caster: P51052VIRB Wheel Diameter: 5" Wheel Durometer: Brinell 145 Tread Width: 2" Wheel Color: Black Wheel Type: Cast Iron V-Groove Swivel or Rigid Caster: Rigid Wheel Bearing Type: See Bearing Options Swivel Radius: N/A Overall Height: 6-1/2" Swivel Construction:  N/A Temp Range: -45°F to 600°F  Mounting Plate: 4" x 4-1/2" V-Groove Width: 7/8" Bolt Hole Pattern: 2-5/8" x 3-5/8" slotted to 3"x 3" V-Groove Depth: 7/16" Mounting Bolt Size: 3/8" or Smaller Link to Replacement Wheel: LVG520 Weight: 6

Link to Matching Swivel Caster w/ Face Contact Brake: P51052CIRBFCB

Combined Caster Capacity: 4800

While not designed to run on flat iron

4" x 2" Ductile Steel V-Groove Wheel Kingpinless Swivel Brake Caster - 1250 Lbs Capacity u-groove-wheel 10" x 2-1/2" Cast Iron4" x 2" Ductile Steel V Groove Wheel Kingpinless Swivel Brake Caster Part # P51042DVRBTLB 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