Product Name: Leading Manufacturer Supply Steel Double Groove Drive Roller for Conveyor Installation: Female Thread Surface Treatment: Polishing Material: Steel/ SUS/Aluminum Tube Dia: 50/60mm: Shaft Dia; 12/15mm Length: 100-2000mm Trademark: JiuTong Transport Package: Standard Export Package Specification: ISO 9001 Origin: Huzhou, Zhejiang, China Product Description Product Features:1. Steel Sprocket welded with steel tube, make it capable to transmit higher torque, and meet with the request of transportation of heavey duty.2. The bearing in the end of the sprocket is dismountable , not only increase load capacity , but also helpful for maintenance and replacement.3. Precision ball bearing polymer bearing housing , end cap form the bearing unit which is very importment. It is not only for good looking but also further more for the smooth and quiet running.4. The end cap of roller resists dust and water splash well in operation environment.5. Work temperature: 0 to +40ºCTube DiameterShaft DiameterSprocket Type50mm12/15mm 08B14Z60mm12/15/20mm 08B14Z76mm20mm 10A13T89mm20mm 10A13T