NTN Bower 31313HD is a tapered roller bearing set with a 65 mm ID, 140 mm OD and 36 mm assembled width. The cone is 33 mm wide and the cup 23 mm wide, and the bearing designation is 30313. Dynamic load rating is 173 kN and static load rating is 204 kN, with tolerance classes ABEC-1, RBEC-1, JIS-0 and ISO-Normal. The tapered rollers let a cone and cup set carry radial and axial loads together, and their line contact is why this design is chosen where heavy loads matter. Sold by Pro Gear and Transmission. Call us if you need help confirming the right size.Interchanges:Timken 31313$460.42FeaturesTapered roller bearing set, cone and cup, bearing designation 3031365 mm ID, 140 mm OD, 36 mm assembled widthCone width 33 mm, cup width 23 mmDynamic load rating 173 kN, static load rating 204 kNTolerance classes ABEC-1, RBEC-1, JIS-0 and ISO-NormalLine contact between rollers and raceways carries radial and axial loads togetherTech SpecsBearing designation: 30313ID: 65 mmOD: 140 mmAssembled width: 36 mmCone width: 33 mmCup width: 23 mmDynamic load rating: 173 kNStatic load rating: 204 kNTolerance classes: ABEC-1, RBEC-1, JIS-0 and ISO-Normal