大散热器
注脂桶
轴承隔套
33120轴承（高品质）
油流观察镜
星形橡胶件 联轴器胶套
油封
Accommodates and protects the main shaft and transmission parts of 560 model equipment, provides installation support (accommodates and protects the main shaft and transmission parts of 560 model equipment, provides installation support)
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