BearingBrain
Parts Intelligence
Part page

NTN 6404/C3

Deep groove ball · Open
Ø20Ø7219
Bore
20 mm
Outside dia
72 mm
Width
19 mm
Dynamic C
30.7 kN
Static C0
15.0 kN
Speed grease
24,000 rpm
Speed oil
15,000 rpm
Clearance
C3
Precision
ABEC-1 (P0)
Weight
0.56 kg
Interactive view — 3D model + CAD files → Substitution sheet — printable →
Evidence

catalog-search · eligible · eval ship · deterministic executor · partsbrain pull 2026-09-08

Interchange family — 8 records

Part numberManufacturerBore×OD×WidthC
6404/C3KOYO (JTEKT)20×72×1930.7 kN
6404/C3INA (Schaeffler)20×72×1930.7 kN
6404/C3MinebeaMitsumi (NMB)20×72×1930.7 kN
6404/C3Nachi Fujikoshi20×72×1930.7 kN
6404/C3FAG (Schaeffler)20×72×1930.7 kN
6404/C3Timken20×72×1930.7 kN
6404/C3RBC Bearings20×72×1930.7 kN
6404/C3Peer Bearing20×72×1930.7 kN