55mm

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

Wheel made of phenolic resin, highly heat resistant, very high static load capacity, smooth running performance on even floor. Hub on plain bore and Teflon-coated stainless steel tube (Ø080mm, Ø100mm). Medium duty castor in zinc-chromium plated pressed steel turning on double rim of balls.

Wheel made of high-quality, impact-resistant nylon, very low rolling and swivel resistance, smooth running performance on even floor, high abrasion resistance. Hub on plain bore. Medium duty castor in zinc-chromium plated pressed steel turning on double rim of balls.

Wheel made of high-quality, impact-resistant nylon, very low rolling and swivel resistance, smooth running performance on even floor, high abrasion resistance. Hub on plain bore. Medium duty castor in pressed stainless steel INOX AISI 304, turning on double rim of balls INOX AISI 420.

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.

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.