Cylindrical roller bearing for gearbox for urban rail transit
The invention discloses a cylindrical roller bearing for a gearbox for urban rail transit. The cylindrical roller bearing comprises an outer ring, an inner ring, rollers and a retainer; the inner surface of the outer ring is an outer ring raceway surface, and outer ring flanges are arranged on the t...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a cylindrical roller bearing for a gearbox for urban rail transit. The cylindrical roller bearing comprises an outer ring, an inner ring, rollers and a retainer; the inner surface of the outer ring is an outer ring raceway surface, and outer ring flanges are arranged on the two sides of the outer ring raceway surface; the outer surface of the inner ring is an inner ring raceway surface, and guide conical surfaces are arranged on the two sides of the inner ring raceway surface; the rollers are arranged between the outer ring raceway surface and the inner ring raceway surface; the retainer is arranged between the outer ring and the inner ring, a plurality of retainer pockets for retaining the rollers are uniformly distributed on the retainer in the circumferential direction, each retainer pocket comprises two eccentric arc surfaces which are oppositely arranged, and a plurality of annular oil lines are arranged on the eccentric arc surfaces. The cylindrical roller bearing has the advanta |
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