Zinc plated swivel castor with strong top plate bracket made of pressed steel with sealed, hardened, double row ball race in swivel head, grease nipple and 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 1-way directional lock, part no. 920049