... line, flexible. The structure is simple, with high reliability, and the maintenance is convenient. It can endure biggish impact loading ... 63, 75, 89, 104(mm). Installation method: spring shaft, inner (outer) screw thread end, double flat end, double pin hollow end ... .8 mm.Supporting Bearing: precision bearing, pressing bearing, and dustproof bearing. Gravity roller conveyor is widely used in conveying ...