Bearing
Brain
Parts Intelligence
Part page
Timken 304K
Deep groove ball · Open
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
16,000 rpm
Speed oil
20,000 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 — 8 records
Part number
Manufacturer
Bore×OD×Width
C
6304
KOYO (JTEKT)
20×52×15
15.9 kN
6304
SKF
20×52×15
16.8 kN
6304
NSK
20×52×15
15.9 kN
6304
FAG (Schaeffler)
20×52×15
15.9 kN
6304
NTN
20×52×15
15.9 kN
304KDD
Timken
20×52×15
15.9 kN
304PP
Timken
20×52×15
15.9 kN
204K
Timken
20×47×14
13.5 kN