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NTN 6303

Deep groove ball · Open

Bore

17 mm

Outside dia

47 mm

Width

14 mm

Dynamic C

13.5 kN

Static C0

6.5 kN

Speed grease

18,000 rpm

Speed oil

24,000 rpm

Clearance

CN

Precision

ABEC-1 (P0)

Weight

0.166 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 — 14 records

Part number	Manufacturer	Bore×OD×Width	C
303K	Timken	17×47×14	13.5 kN
6303	FAG (Schaeffler)	17×47×14	13.5 kN
6303	SKF	17×47×14	14.3 kN
6303	NSK	17×47×14	13.5 kN
6303	KOYO (JTEKT)	17×47×14	13.5 kN
6303	Timken	17×47×14	13.4 kN
6303	Peer Bearing	17×47×14	13.5 kN
6303	Nachi Fujikoshi	17×47×14	13.5 kN
6303	INA (Schaeffler)	17×47×14	13.5 kN
6303	MinebeaMitsumi (NMB)	17×47×14	13.5 kN
6303	RBC Bearings	17×47×14	13.5 kN
6303ZZ	NTN	17×47×14	13.5 kN
6303LLU	NTN	17×47×14	13.5 kN
6203	NTN	17×40×12	9.6 kN