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NTN 306840

Deep groove ball · Open

Bore

180 mm

Outside dia

259.50 mm

Width

33 mm

Dynamic C

140.0 kN

Static C0

112.0 kN

Speed grease

5,000 rpm

Speed oil

3,200 rpm

Clearance

CN (Normal)

Precision

ABEC-1 (P0)

Weight

7.109 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
306840	KOYO (JTEKT)	180×259.5×33	140.0 kN
306840	INA (Schaeffler)	180×259.5×33	140.0 kN
306840	MinebeaMitsumi (NMB)	180×259.5×33	140.0 kN
306840	Nachi Fujikoshi	180×259.5×33	140.0 kN
306840	FAG (Schaeffler)	180×259.5×33	140.0 kN
306840	Timken	180×259.5×33	140.0 kN
306840	RBC Bearings	180×259.5×33	140.0 kN
306840	Peer Bearing	180×259.5×33	140.0 kN