... /Idler:1, nylon rollers is with high wear resistance, low coefficient of friction, not easy to wear belts; 2, nylon rollers have ... withstand repeated impact and vibration; 5, the Ambient temperature range of nylon rollers: -40 °C ~ 80 °C; 6, excellent mechanical properties ... ),stable operation, long life (the life is 3-5 times of metal roller) Nylon Roller/Idler: