SLZ manufacture Conveyor nylon wheel, conveyor bearing ( pressed steel bearing ), ball trnafer unit used on wheel gravity conveyors and other applications. SLZ is an engineering-oriented manufacturing company that manufacturesconveyor nylon wheel, nylon skate wheel, conveyor bearingsused on cargo handling system, and material handling systems. SLZ pioneered palletflo controlled gravity live storage systems in the fifo warehouse storage rack market. The SLZ corporation is a world leader in the manufacture of conveyor bearing wheel. SLZ manufacture conveyor wheel, conveyor bearing used for pipelining equipment or conveyor facility,transmission lines,Material Handling Systems, Conveyor Systems,various roller, Material: Engineering Plastic (Delrin,Nylon,Teflon) We can pruduced the conveyor wheel according to the clients' requirements, Material used are set according to clients' requirments. OD: 29.5- 50.6mm ID: 6-12.8mm More details, please feel free to contact us! Best regards Dong Yue Xian/ Manager Suzhou (China) SLZ Machinery Co.,Ltd.