BearingBrain

Parts Intelligence

Part page

NTN 51224

Thrust · Open

Bore

120 mm

Outside dia

170 mm

Width

39 mm

Dynamic C

127.0 kN

Static C0

390.0 kN

Speed grease

1,600 rpm

Speed oil

2,200 rpm

Clearance

CN (Normal)

Precision

P0

Weight

3.487 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
51224	KOYO (JTEKT)	120×170×39	127.0 kN
51224	INA (Schaeffler)	120×170×39	127.0 kN
51224	MinebeaMitsumi (NMB)	120×170×39	127.0 kN
51224	Nachi Fujikoshi	120×170×39	127.0 kN
51224	FAG (Schaeffler)	120×170×39	127.0 kN
51224	Timken	120×170×39	127.0 kN
51224	RBC Bearings	120×170×39	127.0 kN
51224	Peer Bearing	120×170×39	127.0 kN