55mm

Wheel coated with heavy duty solid rubber (Soft Elastic), very high operational comfort, low-noise operation, very good floor preservation, non-marking, very good chemical connection with the rim. Rim of high quality, impact-resistant nylon. Hub on plain bore. Medium duty castor in pressed stainless steel INOX AISI 304, turning on double rim of balls AISI 304. Assembled with self-locking nut.

Wheel coated with solid rubber, low-noise operation and very good floor preservation. Rim of high quality, impact-resistant Nylon 6. Hub on plain bore. Medium duty castor in zinc-chromium plated pressed steel turning on double rim of balls. Assembled with self-locking nut and dust protection.

Wheel coated with solid rubber, low-noise operation and very good floor preservation. Rim of zinc-chromium plated pressed steel flanges. Hub on roller bearing. Medium duty castor in zinc-chromium plated pressed steel turning on double rim of balls. Assembled with self-locking nut and dust protection.

Wheel coated with solid rubber, low-noise operation and very good floor preservation. Rim of zinc-chromium plated pressed steel flanges. Hub on roller bearing. Medium duty castor in zinc-chromium plated pressed steel turning on double rim of balls.

Wheel coated with polyurethane round tread, low-noise operation, low rolling resistance, good floor preservation, high abrasion resistance, high cut and tear propagation resistance, non-marking, very good chemical connection with the rim. Rim of die-cast aluminum. Hub on shielded ball bearings with central spacer. Medium duty castor in zinc-chromium plated pressed steel turning on double rim of balls.