Roller bearing with special precision bearing self-developed carbon steel bearing and steel seat installed in the drum; rotating flexible, durable, high bearing capacity, the transportation becomes more portable 1) material: carbon steel, galvanization 2) precision: p0/p2/p4/p5/p6 3) vibration: v1/v2/v3/v4 4) clearance: c0/c2/c3/c4/c5 5) noise levels: z1/z2/z3/z4 6) applications: industrial belt, conveyor belt, assembly line
