花键轴
固定座
注脂桶
辊壳（齿头型）65CrMnTi
33120轴承（高品质）
扬料刀
油封隔套
油流观察镜
Single main shaft bearing adapts to the local support demand of the main shaft of 560 model equipment (Single main shaft bearing adapts to the local support demand of the main shaft of 560 model equipment)
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