Bearing
Brain
Parts Intelligence
Part page
IKO (Nippon Thompson) NAU4903
Needle · Open
Ø17
Ø30
13
Bore
17 mm
Outside dia
30 mm
Width
13 mm
Dynamic C
—
Static C0
—
Speed grease
29,412 rpm
Speed oil
39,412 rpm
Clearance
CN (Normal)
Precision
P0
Weight
0.049 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 — 0 records
Part number
Manufacturer
Bore×OD×Width
C
No interchange records.