| 摘要 |
<p>1432401 Bearings ROCKWELL INTERNATIONAL CORP 1 Feb 1974 [15 March 1973] 04855/74 Heading F2A A shaft 38, mounted for rectilinear motion in a recirculating ball bearing assembly comprising concentrically fitting inner and outer sleeves 12, 14, is provided with a plurality of longitudinally extending shallow grooves 39 which constitute generally conforming bearing raceways for said balls. The vertical depth of each said raceway is substantially equal to 7¢% of the diameter of said balls.</p> |
