4" PolyKat Polyurethane Rigid Caster - 600lb/Caster

COLSON 4" PolyKat Polyurethane Rigid Caster, 600lb/Caster

Features:

• All 4 series caster forks, and many wheels, are USA made for highest quality and quickest delivery
• Attractive zinc-plated finish
• Full double ball hardened raceways
• 1/2" Hollow axle with grease zerk and lock nut
• Plastic seal/retainer washer (roller bearing models)
• 1/4" steel top place for durability
• Permanent rivet kingpin with 3/4" diameter rivet
• Grease fittings: wheel bearing and swivel raceway
• Colson 45 multi-temp grease lubricates in extreme hot and cold temperatures