Precision Drive Shaft Center Support Bearing - HB31 Part #: HB31 Line: PRB Precision Drive Shaft Center Support Bearing 3 Year Limited Warranty Hardware Included: No Bracket Included: No Number Of Mounting Holes: 2 Dust Cover Included: No Mounting Hole Center To Center (in): 5.770 Inch Bearing/Cone Inside Diameter (in): 1.180 Inch Bearing/Cone Inside Diameter (mm): 30mm Mounting Hole Center To Center (mm): 146.66mm Show More Show Less