• NA4904 | NA4904• Inner dimension: 20, Outer dimension: 37, Width: 17, Weight: 0,075, EAN: 7316577012074, Seal: None, open bearing, Clearance: Normal radial clearance, Cage: Sheet steel cage, Temperature range: -20 to +100 °C, Tolerance class: Tolerance class P0/PN2 / ABEC 1, Inner ring: With inner ring, Lubrication: Groove with lubrication hole(s), Needle rows: Single-row bearing