Zinc plated swivel castor with very strong top plate bracket made of welded steel with a combination of thrust ball bearing and taper roller bearing in swivel head, with dust protection ring.
Wheel made of cast iron with steel cage roller bearing and grease nipple.
Bolted wheel axle.
Very low rolling resistance on clean surface. High wear resistance and suitable for heavy static loads.
Can be equipped with a separate 4-way directional lock, part no. 920062