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Axle box bearing

The existing railway bearing products of Luoyang Bearing Science and Technology Co., Ltd. include axle box bearing series, gearbox bearing series, traction motor bearing series, bolster axle box series, etc., which are widely applied in scenarios such as speed-up trains, high-power locomotives, urban rail trains and subways. Among them, the independently developed 250 km/h high-speed rail gearbox bearing series have passed the installation application test of Railways.

Keywords:

Axle box bearing

Category:

Rail transit

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DESCRIPTION

As an integrated bearing unit, the double-row tapered roller bearings used for high-speed rail axle boxes feature complete sealing, which can meet the operational requirements of high speed, long service life and high reliability. The axle box bearings for speed-up passenger trains adopt a combined structure of single-row cylindrical roller bearings, designed for a speed of 200 km/h, and fully satisfy the 120 km/h operation speed requirements of railway passenger trains.

The gearbox bearings for rail transit vehicles mainly adopt a tapered roller structure, and can also be designed with four-point contact ball, cylindrical roller and deep groove ball structures. The company's products fully meet the requirements of high rotational speed, long service life and high reliability of gearboxes.

The R&D of high-power locomotive bearings adopts maintenance-free double-row tapered roller and double-row cylindrical roller bearing structures, which fully satisfy the operational requirements of high-power, heavy-load and long service life.

The R&D of traction motor bearings relies on advanced process technology and a sound quality assurance system. The developed traction motor bearings include those with coated outer rings, coated inner rings and hybrid ceramic bearings, which can adapt to an insulation voltage of up to 3000 V.

Bearing Types	Product Model	Main uses	Application Industry
Tapered roller bearings, paired, double-row	352226X2-RSZTN	High-speed rail vehicle axle box bearing	Rail transit
Tapered roller bearings, paired, double-row	352226X3-2ZTN	High-speed rail vehicle axle box bearing	Rail transit
Tapered roller bearings, paired, double-row	353130X3-2ZTN	Heavy-duty high-speed railway axle box bearing	Rail transit
Matched cylindrical roller bearings	NJ3226X1TN/P4	Speed-up passenger car axle box bearings	Rail transit
Matched cylindrical roller bearings	NJP3226X1TN/P4	Speed-up passenger car axle box bearings	Rail transit
Tapered roller bearings, paired, double-row	353130A	Railway freight car axle box bearing	Rail transit
Tapered roller bearings, paired, double-row	353130B	Railway freight car axle box bearing	Rail transit
Matched cylindrical roller bearings	NJ2232WB	Locomotive axle box bearing	Rail transit
Matched cylindrical roller bearings	NU2232WB	Locomotive axle box bearing	Rail transit
Matched cylindrical roller bearings	NUHJ2232WB	Locomotive axle box bearing	Rail transit
Matched cylindrical roller bearings	30-42726E2M	Locomotive axle box bearing	Rail transit
Matched cylindrical roller bearings	36-42726E2M	Locomotive axle box bearing	Rail transit
Matched cylindrical roller bearings	30-232726E2M	Locomotive axle box bearing	Rail transit
Matched cylindrical roller bearings	36-232726E2M	Locomotive axle box bearing	Rail transit
Matched cylindrical roller bearings	30-232728π4M	Locomotive axle box bearing	Rail transit
Matched cylindrical roller bearings	36-232728π4M	Locomotive axle box bearing	Rail transit
Matched cylindrical roller bearings	KNH1880B	Bogie axle box bearing	Rail transit
Matched cylindrical roller bearings	KNH1880A	Bogie axle box bearing	Rail transit
Matched cylindrical roller bearings	KNU1880B	Bogie axle box bearing	Rail transit
Matched cylindrical roller bearings	KNU1880A	Bogie axle box bearing	Rail transit
Matched cylindrical roller bearings	KNUP1880A	Bogie axle box bearing	Rail transit
Matched cylindrical roller bearings	KNUP1880B	Bogie axle box bearing	Rail transit
Matched cylindrical roller bearings	N2876/P69	Bogie axle box bearing	Rail transit
Matched cylindrical roller bearings	NUP2876/P69	Bogie axle box bearing	Rail transit
Cylindrical roller bearing	NUP417Q	Traction motor bearing	Rail transit
Cylindrical roller bearing	NU328EQ	Traction motor bearing	Rail transit
Cylindrical roller bearing	NU330EQ	Traction motor bearing	Rail transit
Cylindrical roller bearing	NU426Q	Traction motor bearing	Rail transit
Cylindrical roller bearing	NU426Q	Traction motor bearing	Rail transit
Cylindrical roller bearing	NH318EQ	Traction motor bearing	Rail transit
Cylindrical roller bearing	NU326EQ	Traction motor bearing	Rail transit
Cylindrical roller bearing	NU326EQ	Traction motor bearing	Rail transit
Cylindrical roller bearing	4E32332EQT/P54	Traction motor bearing	Rail transit
Cylindrical roller bearing	8G92417QT/P64	Traction motor bearing	Rail transit
Self-aligning roller bearing	22326 MB/P53 W33	Traction motor bearing	Rail transit
Four-point contact ball bearing	QJ216N2M	Gearbox bearing	Rail transit
Cylindrical roller bearing	NU216EN1M	Gearbox bearing	Rail transit
Cylindrical roller bearing	NJ2219EM	Gearbox bearing	Rail transit
Tapered roller bearing	30655	Gearbox bearing	Rail transit
Tapered roller bearing	LM742749-LM742710	Gearbox bearing	Rail transit
Cylindrical roller bearing	NJ2216NMA/P5	Gearbox bearing	Rail transit
Cylindrical roller bearing	NU216NMA/P5	Gearbox bearing	Rail transit
Four-point contact ball bearing	QJ216NMA/P5	Gearbox bearing	Rail transit
Cylindrical roller bearing	NUP417E.M2.C4.FV1	Gearbox bearing	Rail transit
Cylindrical roller bearing	NU332E.M2.1.C4.FV1	Gearbox bearing	Rail transit
Cylindrical roller bearing	NU324E.M PA.C3	Gearbox bearing	Rail transit
Cylindrical roller bearing	NJ330EM1	Gearbox bearing	Rail transit
Self-aligning roller bearing	22326 W33M C3	Gearbox bearing	Rail transit
Self-aligning roller bearing	22320 W33M C3	Gearbox bearing	Rail transit
Four-point contact ball bearing	QJ1040N1Q	Gearbox bearing	Rail transit
Four-point contact ball bearing	QJ1044N2Q	Gearbox bearing	Rail transit
Four-point contact ball bearing	QJ1048N2Q	Gearbox bearing	Rail transit
Four-point contact ball bearing	QJ214N2Q	Gearbox bearing	Rail transit
Four-point contact ball bearing	QJ220N2Q	Gearbox bearing	Rail transit
Four-point contact ball bearing	QJ224N2Q	Gearbox bearing	Rail transit
Four-point contact ball bearing	QJ228N2Q	Gearbox bearing	Rail transit
Four-point contact ball bearing	QJ313N2Q	Gearbox bearing	Rail transit
Four-point contact ball bearing	QJ315N2Q	Gearbox bearing	Rail transit
Four-point contact ball bearing	QJ318N2Q	Gearbox bearing	Rail transit
Four-point contact ball bearing	QJ328N2Q	Gearbox bearing	Rail transit
Angular contact ball bearing	7215CQ	Gearbox bearing	Rail transit