• BT1B639405 Q | BT1B639405Q• Inner dimension: 28, Outer dimension: 68, Width: 19,75, Weight: 0,32, EAN: 7316570118131, Cage: Sheet steel cage, Tolerance class: Tolerance class P0/PN2 / ABEC 1, Roller rows: Single row bearing, Product range: Complete tapered roller bearing, Temperature range: -30 to +120 °C, Arrangement: Standard version