... and mechanical properties, sleeve design, assembly method, load characteristics, speed of operation, the lubrication conditions, sleeve working environment (temperature, ... , easily lead to the bush temperature rise in low speed heavy load, the nylon sleeve has outstanding advantages.The ... 60 (1)Type: V -- surface line speed, unit: m/sD -- the sleeve bore, unit: MN -- shaft speed, unit: r/minP=W/ (DL) ...