41, 45, 4a, 46-Medium Heavy Duty Kingpinless Series-2,500 lb

Precisely CNC machined raceway with hardened ball bearings
1/4" thick top plate with legs formed from 1/4" steel
Designed for ultimate solution of traditional casters with kingpin being loosened from lateral force
Bright zinc-plated as standard
Extended swivel radius for better maneuverability is available for 6" and 8"
Each series are designed for the efficiency to satisfy different applications:
#41 has load capacity up to 1,500 lb raceway is made of hardened ASTM1045, with weld on inner raceway
#4A has load capacity up to 1,500 lb It is specially designed for environment that require sealed raceway. Raceway is made of hardened ASTM1045, with weld on inner raceway. Varieties of seals that can handle temperature up to 450°F
#45 is the ultimate of kingpinless casters and has load capacity up to 2, 500 lb. It is made of hot forged ASTM1045 for the highest density and hardened for durability. The inner raceway is forged integrally with the top plate