玉軸受の摩擦モーメントに関する研究 : (スラスト荷重の場合)

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書誌事項

タイトル別名
  • Friction Moment of Radial Ball Bearing under Thrust Load
  • タマジクウケ ノ マサツ モーメント ニ カンスル ケンキュウ

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抄録

Operating a single row radial ball bearing under the pure thrust load, both the rolling friction due to the rolling motion of balls and the sliding friction due to the spinning motion of balls occur between balls and bearing races. The retainer is in sliding contact with balls. The rolling friction of ball depends upon both the elastic hysteresis loss of the materials and the differential slip friction on the contact surfaces. Analysing those causes of friction losses, auther gives the general formula of the friction moment of the bearing under the thrust loading. On various conditions of groove radii of inner and outer races, thrust load, number of balls, radial clearance, size of bearings and weight of retainer, the friction moments of the bearings are measured. Agreements of the experimental results with the calculated values from the formula are fairly well.

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