Gravity roller conveyor
1.Carried goods and material: carton, pallet, wooden board and so on
2.Ball Bearing grade: precise double-face seal ball bearing
3.Shaft axis: cold drawing round steel( it can be zinc-platedg if you need), stainless steel
4.Barrel surface treatment: it can be rubber coated, polyurethane
5.Characteristics: dustproof, rotate swiftly and smoothly, without noise