We are offering conveyor roller.Technical data:brand name: shundamodel number:60mm219mm.Tube material: q235a, seamless pipe, rubber, uhmwpe , nylon, stainless, ceramicetc.Seal:labyrinth seal, water-proof, dust-proof.Bearing brand:skfnsktnthrbetc.Bearing feature:c3 deep groove radial ball bearing, water-proof, dust-proof.Coating:anticorrosive paint, galvanized, rubber etc.Shaft material:deep drawn steel c45.Shaft number:15mm50mm.Shaft head:milling flat, milling slot ect.Color:red, black, blue, green, orange etc.Lifetime:more than 30000 hours.Standard: gb, iso, cema, din, jis, etcproduction capacity: 2000pcsday. advantage1. The life time: more than 30000 hours2. Samples for testing are available. 3. Minimum revoiving resistance4. Small maintain work5. High load capability6. The more relaxed payment terms7. Dust proof & water proof8. Our products have been exported to more than 30 countries.