... Shoulder Dia. (In.)3.976Max. Housing Shoulder Dia. (In.)4.213Bearing Width (In.)1.188Temp. Range (F)-20F - 250MaterialSteel ... Note: When replacing bearings, replace both cone and cup to ensure optimum performance and longer life.Taper Roller ... Bearing Cup, Inch Series, Outside Dia 4.438 In, Cup Width 0.938 In, Max ... of our factory: Ntn Taper Roller Bearing Cup, OD 4.438 In