| 摘要 |
1530779 Bearings; cam tappet SKF KUGELLAGERFABRIKEN GmbH 22 July 1977 [29 July 1976] 30979/77 Headings F2A and F2K An assembly for use as the bottom bearing of an electricity meter spindle or of a centrifuge, or for use as a valve tappet, comprises a ball 1, a cylindrical sleeve 3, the ball being coaxial with and fixed to one end of the sleeve as by welding, the diameter of the ball being greater than the internal diameter of the sleeve, and a cylindrical stem 4 inside and coaxial with the sleeve and secured to the sleeve. A tubular assembly tool 6 can be used in force fitting the sleeve 3 on the stem 4. The assembly can be made from a bearing ball, a race ring, and a bearing roller. |
