Precision Multi-Purpose Grease/Oil Seal - 100727 Part #: 100727 Line: PSO Precision Multi-Purpose Grease/Oil Seal 3 Year Limited Warranty Inside Diameter (in): 2.500 Inch Width (in): 0.492 Inch Width (mm): 12.5mm Seal Material: Fluoroelastomer (FPM) Show More Show Less