• HMK4031 LL/3AS | HMK4031LL/3AS• Inner dimension: 40, Outer dimension: 50, Width: 31, Weight: 0,1, EAN: 4547359074741, Seal: Contact seals on both sides, Cage: Sheet steel cage, Temperature range: -30 to +100 °C, Needle rows: Single-row bearing, Lubrication hole: Without lubrication groove