Bearing
Brain
Parts Intelligence
Part page
NTN 6203C3
Deep groove ball · Open
Ø17
Ø40
12
Bore
17 mm
Outside dia
40 mm
Width
12 mm
Dynamic C
9.3 kN
Static C0
4.6 kN
Speed grease
18,000 rpm
Speed oil
24,000 rpm
Clearance
C3
Precision
ABEC-1 (P0)
Weight
0.097 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 — 5 records
Part number
Manufacturer
Bore×OD×Width
C
6203C3
NSK
17×40×12
9.4 kN
6203.C3
FAG (Schaeffler)
17×40×12
9.7 kN
6203C3
Timken
17×40×12
9.5 kN
6203/C3
SKF
17×40×12
9.9 kN
6203C3
KOYO (JTEKT)
17×40×12
9.2 kN