These rollers are made from 51mm O.D polypropylene tube with 4mm wall, UV stabilised but suitable for indoor use only. The bearing inner and outer is manufactured from acetal with a single row of carbon steel balls. These lightweight, quiet running rollers are used to reduce possible damage and are suitable where corrosive elements may effect efficiency or hygiene standards. They are not suitable for extreme corrosive conditions, where non-standard bearings and shaft material would be rwquired.
