中央キングピン及びセルフロックナット 磨耗、引裂、油、ガソリン、グリースなどに対する優れた耐性 ボールベアリング付きホイール 使用温度範囲: -30 → +80 °C 硬度95+/-3、ショアA ホイールシリーズZ
Polyurethane tyred wheels have high tear strength and abrasion resistance which gives them a life of up to 10 times that of rubber under similar operating conditions. Polyurethane is able to carry loads approaching that of cast iron. Polyurethane has a lower tractive resistance than rubber for the same load so is better for manual handling of very heavy loads. Polyurethane is not affected by greases and mineral oils.
