滚道下润滑
Lubrication under the raceway
以上为机器翻译结果，长、整句建议使用 人工翻译 。
在换润滑脂时应用洁净的汽油或煤油仔细清洗滚柱轴承的滚道等部位，清洗时应打开轴承座下的放油孔。
Use position, such as one, etc. Of rolling that clean petrol or kerosene wash the roller bearing carefully while changing the lubricating grease, should open to put the oil-hole pedestal when washing.
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