Ball Motion and Sliding Friction in an Arched Outer Race Ball Bearing | Zendy

B. J. Hamrock | Zendy

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Ball Motion and Sliding Friction in an Arched Outer Race Ball Bearing

Author(s) -

B. J. Hamrock

Publication year - 1975

Publication title -

journal of lubrication technology

Language(s) - English

Resource type - Journals

eISSN - 2161-9522

pISSN - 0022-2305

DOI - 10.1115/1.3452555

Subject(s) - ball (mathematics) , ball bearing , materials science , structural engineering , bearing (navigation) , thrust , thrust bearing , mechanics , engineering , composite material , mechanical engineering , lubrication , physics , geometry , mathematics , astronomy

The motion of the ball and sliding friction in an arched outer race ball bearing under thrust loads is determined. Fatigue life evaluations were made. The analysis is applied to a 150 millimeter bore ball bearing. The results indicated that for high speed-light load applications the arched bearing has significant improvement in fatigue life over that of a conventional bearing. An arching of 0.254 mm (0.01 in.) was found to be an optimal. For an arched bearing it was also found that a considerable amount of spinning occurs at the outer race contacts.

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