Bearing
Brain
Parts Intelligence
Part page
NTN 6304-2Z
Deep groove ball · 2Z shield
Ø20
Ø52
15
Bore
20 mm
Outside dia
52 mm
Width
15 mm
Dynamic C
15.9 kN
Static C0
7.8 kN
Speed grease
15,200 rpm
Speed oil
19,000 rpm
Clearance
CN
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 — 7 records
Part number
Manufacturer
Bore×OD×Width
C
6304-2Z
Timken
20×52×15
15.9 kN
6304-2Z
RBC Bearings
20×52×15
15.9 kN
6304-2Z
Peer Bearing
20×52×15
15.9 kN
6304-2Z
KOYO (JTEKT)
20×52×15
15.9 kN
6304-2Z
INA (Schaeffler)
20×52×15
15.9 kN
6304-2Z
MinebeaMitsumi (NMB)
20×52×15
15.9 kN
6304-2Z
Nachi Fujikoshi
20×52×15
15.9 kN