| 摘要 |
995,784. Bearings. LANDIS & GYR A.G. May 28, 1964 [May 29, 1963], No. 22146/64. Heading F2A. A bearing has a mineral bearing-cup which houses a ball made from heat resistant steel. The steel may be high-speed tool steel and may contain molybdenum, chromium, vanadium, manganese, cobalt and tungsten. The bearing- cup may be made from corundum. Additives, such as stearates, naphthenates and oleates, can be added to the lubricant.
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