MasterPro Wheel Seal - 9912 Part #: 9912 Line: MPS MasterPro Wheel Seal 1 Year Limited Warranty Type: 001 Inside Diameter (in): 1.875 Inch Inside Diameter (mm): 47.63mm Outside Diameter (in): 2.865 Inch Outside Diameter (mm): 72.77mm Width (in): 0.470 Inch Width (mm): 11.74mm O-Ring Included: No Seal Material: Nitrile Rubber (NBR) Sealant Coat Added: No Show More Show Less