This front/rear mainshaft bearing measures 5.5 in. long, 5.5 in. high, and 1.25 in. wide, and is built as a replacement for Mack, Fuller, Navistar, and Kenworth transmissions. It keeps the mainshaft properly positioned in the case so it can turn freely while handling the radial loads generated during gear engagement. Sold individually.Interchanges:Dana 550706Dana 550898Fuller 81042GMC Truck 147779GMC Truck 901214Kenworth K1706Kenworth K9211Mack 3088-81042Mack 46AX410Mack 46AX91Mack 8235-1828E5Navistar 272575R91Navistar 304657C91Navistar 306858C91Navistar 372185R91Navistar 372186R91Navistar 842951R91Rockwell 1828-E-5FeaturesMainshaft bearing, front/rear applicationLength: 5.5 in.Height: 5.5 in.Width: 1.25 in.Sold individually (1 each)Tech SpecsLength: 5.5 in.Height: 5.5 in.Width: 1.25 in.Unit of Measure: EachUsed in 17 Mack modelsShow all 17 modelsT2050 TransmissionT2060 / T2070 TransmissionT2060A TransmissionT2070A / T2070C TransmissionT2070B / T2070D TransmissionT2080 / T2090 / T2100 TransmissionT2110B / T2110D TransmissionT2130 / T2180 TransmissionT309L / T310 TransmissionT310M TransmissionT313L / T318L TransmissionTRDL / TRDLG 107 / 1070 TransmissionTRDXL-107 TransmissionTRL-107 TransmissionTRL-1076 / TRL-1078 TransmissionTRTXL-107 / 1070 TransmissionTRXL-107 Transmission