BearingBrain
Parts Intelligence
Part page

NTN 6304/C4

Deep groove ball · Open
Ø20Ø5215
Bore
20 mm
Outside dia
52 mm
Width
15 mm
Dynamic C
16.8 kN
Static C0
7.8 kN
Speed grease
30,000 rpm
Speed oil
19,000 rpm
Clearance
C4
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 — 8 records

Part numberManufacturerBore×OD×WidthC
6304/C4FAG (Schaeffler)20×52×1516.8 kN
6304/C4Timken20×52×1516.8 kN
6304/C4RBC Bearings20×52×1516.8 kN
6304/C4Peer Bearing20×52×1516.8 kN
6304/C4KOYO (JTEKT)20×52×1516.8 kN
6304/C4INA (Schaeffler)20×52×1516.8 kN
6304/C4MinebeaMitsumi (NMB)20×52×1516.8 kN
6304/C4Nachi Fujikoshi20×52×1516.8 kN