... WheelProduct Specification: Φ90*490 (unit: mm)Materials: GFASInstallation Diameter: Φ90Length:490Steel shaft extended length: 20Bush extended length(outside or ... inside):13.5Steel shaft diameter:Φ6Hole diameter of bush: Φ8Number of the vanes(pcs):35Rotation ... Φ101, Φ101.5, Φ102, Φ105, Φ107, Φ112, Φ121, Φ122, Φ150 models for customers to choose ,and we will design new ...