Roller bearing CRU
radialaxialdouble-row

roller bearing
roller bearing
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Characteristics

Rolling element
roller
Configuration
radial, axial, double-row
Material
steel
Other characteristics
with lubricant
Applications
for railway applications
Inside diameter

130 mm
(5.12 in)

Outside diameter

250 mm
(9.84 in)

Description

CRU DUPLEX for freight and passenger cars RADIAL ROLLER BEARING WITH SHORT CYLINDRICAL ROLLERS AND SHIELDS DOUBLED. cru.jpg It is designed for installation in axleboxes of freight cars with axle load of 23.5 tones and pedestal opening of 320 mm and also in axleboxes of passenger cars. Its design is completely interchangeable with the existing unit, it is installed instead of the set of serial produced CRB bearings (36-42726Е2М and 36-232726E2M) Axlebox with CRU DUPLEX The bearing is made according to TU VNIPP.048-1-00. It is a double-row closed type bearing, adjusted according to clearance and bore dimensions of inner rings. The basic geometric parameters of the internal design completely conform to series-produced axle bearings with long-term experience of reliable operation on the railways of “1520 space”. Upon that microgeometry of the bearing’s rollers and rings has special optimized profiles, with tightened requirements (letter "U") to mechanical surface treatment and special heat treatment of the material. The bearing is filled with lubricant Klüberplex BEM 41-132 HARP, specially developed in collaboration with Klüber Lubrication (Freudenberg Group) for the specific operating conditions of "1520 space".
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.