40mm

Wheel made of mechanical cast iron, high temperatures resistant with low rolling resistance. Hub on plain bore. Heavy duty castor in zinc-chromium plated pressed steel turning on double rim of balls in temperate thrust bearings. Assembled with self-locking nut.

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.

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. Heavy duty castor in zinc-chromium plated pressed steel.

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 roller bearings. Heavy duty castor in zinc-chromium plated pressed steel.

Wheel coated with polyurethane, 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 mechanical cast iron. Hub on shielded ball bearings with central spacer. Medium duty castor in zinc-chromium plated pressed steel turning on double rim of balls. Assembled with self-locking nut and plastic dust protection.