Heavy duty swivel plate caster with brake. 

Supplied with zerk grease fittings and seals. 1-1/2″ (38mm) tread width.

Mounting plate 4″ x 4-1/2″ (101mm x 115mm) with slotted openings spaced on 2-3/4″ x 3-1/4″ (70mm x 85mm) centers to accept 1/4″ (6mm) dia. bolts.