This caster is ideal for the institutional/medical market as it offers easy maneuverability and low maintenance in an attractive package. Twin wheel design, swivel caster has a precision ball bearing in swivel head and plain bearing in wheel. The housing and wheel center are made of polyamide. Housing and wheel center are in RAL 9002 color/grey-white and the tread in RAL 7015/slate grey. The 100 mm size (4 inch wheel diameter) has a load capacity of 220 lbs.