... biggish impact loading. Conveying modes: single (double) chain wheel, single (double) O-shaped belt, single (double) synchronous belt wheel, belt driving, widely used in ... methods expect chain driving are applied to light conveying.Sprocket Wheel for chain driving Roller: P=12.7mm, Z= ... =14mm, Roller diameter: 50.8, 60, 75, 89 (mm). Single sprocket wheel roller uses big circle to drive, double sprocket ...