Brand: NTN
ID: 7904 UCG/GMP42

Inner dimension: 20 mm
Outer dimension: 37 mm
Width: 9 mm
Weight: 0,04 kg
Lubrication hole: Without lubrication groove
Seal: None, open bearing
Single universal bearing: Single universal bearing
Lubrication: Preserved
Tolerance class: Dimensional accuracy P4 or ABEC 7, running accuracy P2 or AB
15 degree: 15 degree