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NTN 6309 N

Deep groove ball · Open

Bore

45 mm

Outside dia

100 mm

Width

25 mm

Dynamic C

55.3 kN

Static C0

31.5 kN

Speed grease

15,000 rpm

Speed oil

9,500 rpm

Clearance

CN (Normal)

Precision

ABEC-1 (P0)

Weight

1.229 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 — 7 records

Part number	Manufacturer	Bore×OD×Width	C
6309 N	KOYO (JTEKT)	45×100×25	55.3 kN
6309 N	INA (Schaeffler)	45×100×25	55.3 kN
6309 N	MinebeaMitsumi (NMB)	45×100×25	55.3 kN
6309 N	FAG (Schaeffler)	45×100×25	55.3 kN
6309 N	Timken	45×100×25	55.3 kN
6309 N	RBC Bearings	45×100×25	55.3 kN
6309 N	Peer Bearing	45×100×25	55.3 kN