MasterPro Center Support Bearing - HB88508A Part #: HB88508A Line: MPB MasterPro Center Support Bearing 1 Year Limited Warranty Hardware Included: No Bracket Included: Yes Number Of Mounting Holes: 2 Dust Cover Included: Yes Mounting Hole Center To Center (in): 6.625 Inch Bearing/Cone Inside Diameter (in): 1.575 Inch Bearing/Cone Inside Diameter (mm): 40mm Mounting Hole Center To Center (mm): 168.28mm Show More Show Less