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NTN 6404

Deep groove ball · Open
Ø20Ø5215
Bore
20 mm
Outside dia
52 mm
Width
15 mm
Dynamic C
15.4 kN
Static C0
8.1 kN
Speed grease
13,000 rpm
Speed oil
16,000 rpm
Clearance
CN (Normal)
Precision
ABEC-1 (P0)
Weight
0.213 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 — 10 records

Part numberManufacturerBore×OD×WidthC
6404KOYO (JTEKT)20×52×1515.3 kN
6404SKF20×72×1930.7 kN
6404NSK20×52×1515.6 kN
6404FAG (Schaeffler)20×52×1516.1 kN
6404Timken20×52×1515.7 kN
6404Peer Bearing20×72×1930.7 kN
6404INA (Schaeffler)20×72×1930.7 kN
6404MinebeaMitsumi (NMB)20×72×1930.7 kN
6404Nachi Fujikoshi20×72×1930.7 kN
6404RBC Bearings20×72×1930.7 kN