4″ x 2″ Kingpinless, (PU) Polyon Steel Wheel

41/42 Kingpinless Yokes – Rated up to 2,000 lbs.

• Designed to be the ultimate solution of traditional casters with kingpin being loosened from lateral force
• Extended swivel radius for better maneuverability is available for 6” and 8”
• ASTM45 Steel precisely CNC machined raceway
• Hardened Raceway and ball bearings
• Bright Zinc finish is standard
• 1/4” thick top plate and legs

 POLYON™ – Polyurethane Tread on Cast Iron Core

• Precision ball bearings and tapered roller bearings are available
• Polyurethane tread chemically bonded to cast iron core
• Temperature range: -40°F to +180°F
• Durometer Shore A 95 (+/-5)