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CRU HARP for axleboxes of locomotives

Double-row radial roller bearing with short cylindrical rollers, shields and seals

This is a sealed (cartridge) double-row bearing unit with an outer single-part ring, greased with Klüberplex BEM 41-132 HARP, adjusted for radial and axial clearances and inner diameters of inner rings. The bearing is designed for installation in axleboxes of locomotives. The microgeometry of rollers and bearing rings is distinguished by its optimized profiles, stricter requirements (letter «Y») for surface machining and special heat treatment of materials.


CRU 160 х 270 CRU 160 х 290 CRU 180 х 320 CRU 178,815 х 276,27

Type

Н6-872732ЕК1МУС44 36-872832ЕК1МУС44
36-872832ЕК2МУС44
36-872836ЕК1МУС44  36-872936ЕК1МУС44

Application area

axleboxes for electric locomotives EP20

axleboxes for outer and middle axles of locomotive bogies: 2ТE25К, ТEP70БС, ТEP70У, 
2ТЭ70, EP2К

axleboxes for ВЛ electric locomotives

axleboxes for 2ES6 electric locomotives

Interchangeability

F-801804 (FAG) 30-32532K1М 30-42536ЛМ, 30-52536ЛМ  CTBU Class G7”x9” (SKF) 
Dimensions
(d x D x B), mm
160 х 270 х 170 160 х 290 х 178 (36-872832ЕК1МУС44)
160 х 290 х 206/178 (36-872832ЕК2МУС44
180 х 320 х 215,4 178,815 х 276,27 х 200/186

Mass, kg

33,2 48,32 (36-872832ЕК1МУС44)
50,96 (36-872832ЕК2МУС44)
63,16 39,80

Load capacity, kN

dinamic 1099 1387 1700 1180
statistic 1 1886 2380 3000 2330
Radial clearence, microns
Gr min 165 130 150 150
Gr max 215 195 215 215
Service lifetime, million km
estimated min 3 000 000 km min 3 900 000 km
guaranteed up to 1 000 000 km

Booklet "Bearing products for the space 1520".pdf
"Energy efficient HARP bearing units".pdf
Lubricants Kluberplex
Operations manual to radial roller bearings with short cylindrical rollers and shields doubled of H6-882726E2K1МУ type