Precise bearing of inner-ring double-rib unangular-outer-ring rib-free oil groove oil hole

The utility model provides a precise bearing of an inner-ring double-rib unangular-outer-ring rib-free oil groove oil hole. The precise bearing comprises a rib-free oil groove oil hole outer ring made through adopting SKF-3# steel, a double-rib unangular inner ring, a split reinforced nylon 66 injec...

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Bibliographic Details
Main Authors LI HUI, HE YING, ZHAI HENGYI, LIU WEI, WANG YAN
Format Patent
LanguageChinese
English
Published 30.10.2013
Subjects
BEARINGS
BLASTING
ELEMENTS OR CRANKSHAFT MECHANISMS
ENGINEERING ELEMENTS AND UNITS
FLEXIBLE SHAFTS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
ROTARY BODIES OTHER THAN GEARING ELEMENTS
SHAFTS
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:The utility model provides a precise bearing of an inner-ring double-rib unangular-outer-ring rib-free oil groove oil hole. The precise bearing comprises a rib-free oil groove oil hole outer ring made through adopting SKF-3# steel, a double-rib unangular inner ring, a split reinforced nylon 66 injection molded retainer and a ceramic roller, and the bus of the ceramic roller has a logarithmic curve shape with the middle having a smaller convexity degree and with the two ends having larger convexity degrees. The precise bearing is mainly used on a machine tool main shaft, and can reach the performance requirements of high precision, high rotating speed, low temperature increase, low noise, high rigidity and long life of precise machine tool main shaft bearings.
Bibliography:Application Number: CN20132303380U