high quality materail, PTFE, FKM, the oil seal can promise use for long life Features: 1) Working temp. ... requiredInner Diameter: 110 mm, Outer Diameter: 130 mm, Radial Shaft Seal Design: ASW, Swirl Type: Left-hand Twist, Material: FPM / ACM ... (Polyacrylate), Dust Cover: With dust lipOEM NO.RENAULT TRUCKS:50 00 133 701 Crankshaft ...