| 摘要 |
The invention proposes a machine which, in general terms, executes gyratory movements and is intended, in particular, for the size reduction and processing of rock or the like, which is fitted with a plurality of radial and/ôor thrust rolling bearings to which it may be difficult to gain access. To avoid the necessity of first disassembling these bearings, at least the cages of the bearings are provided with through holes. It is now possible, on the one hand, to check the bearings from outside by means of suitable checking devices and, on the other hand, the openings have the effect of increasing the lubricant throughput. <IMAGE>
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