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NTN 308 NR

Deep groove ball · Open

Bore

40 mm

Outside dia

90 mm

Width

23 mm

Dynamic C

45.7 kN

Static C0

36.0 kN

Speed grease

14,000 rpm

Speed oil

8,500 rpm

Clearance

CN (Normal)

Precision

ABEC-1 (P0)

Weight

0.922 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
308 NR	KOYO (JTEKT)	40×90×23	45.7 kN
308 NR	INA (Schaeffler)	40×90×23	45.7 kN
308 NR	MinebeaMitsumi (NMB)	40×90×23	45.7 kN
308 NR	Nachi Fujikoshi	40×90×23	45.7 kN
308 NR	FAG (Schaeffler)	40×90×23	45.7 kN
308 NR	Timken	40×90×23	45.7 kN
308 NR	RBC Bearings	40×90×23	45.7 kN
308 NR	Peer Bearing	40×90×23	45.7 kN