説明
Wheel: Made of high-quality, impact-resistant, hard and tough, highly compressed cast nylon, V-shaped tread (for angular steel), very low rolling resistance, very abrasion-resistant. 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 tempe