설명
Wheel: Made of high-quality, impact-resistant, hard and tough, highly compressed cast nylon, with horizontal taper of 3°, very low rolling resistance, high abrasion resistance. Bearing type: Plain bore: corrosion-resistant. Ball bearing: Two pressed-in ball bearings, lubricated with long-life grease. Chemical resistance: High chemical resistance to many aggressive substances. Operating temperature: -25° C to +80° C. At ambient temperature