Bearing
Brain
Parts Intelligence
Part page
Timken 203K
Deep groove ball · Open
Ø17
Ø40
12
Bore
17 mm
Outside dia
40 mm
Width
12 mm
Dynamic C
9.6 kN
Static C0
4.8 kN
Speed grease
22,000 rpm
Speed oil
28,000 rpm
Clearance
CN
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 — 8 records
Part number
Manufacturer
Bore×OD×Width
C
6203
NTN
17×40×12
9.6 kN
6203
KOYO (JTEKT)
17×40×12
9.6 kN
6203
SKF
17×40×12
9.9 kN
6203
NSK
17×40×12
9.6 kN
6203
FAG (Schaeffler)
17×40×12
9.6 kN
203PP
Timken
17×40×12
9.6 kN
203KDD
Timken
17×40×12
9.6 kN
303K
Timken
17×47×14
13.5 kN