Housing of tripod type half shaft inboard joint for transmitting a torque from engine and transmission to wheels of motor vehicles with: -an outer diameter of 67,0 mm or more but not more than 84,5 mm, -3 cold calibrated roller tracks with a diameter of 29,90 mm or more but not more than 36,60 mm, - sealing diameter 34,0 mm or more but not more than 41,0 mm, without lead angle, -spline with 21 teeth or more but not more than 35, -bearing seat diameter of 25,0 mm or more but not more than 30,0 mm, with or without oil grooves