Bore Size: 15-17.58mm Outside Diameter: 30-35mm Precision Rating: P0 P6 P5 P4 Seals Type: Open Seal of Row: Single Row Clutch bearing .1: Inner Ring Material: chrome Steel GCR15 MOQ: 10 PCs Bearing model: .1 Dimension: 17.58*35*12mm Bearing Type: Needle Roller Bearing Bearing Cage: Steel Bearing classification: clutch bearing Package: Plastic Bag + Carton