The center frame has simple structure and convenient use, can be used for processing a long axis whose external diameter is irregular and also can be used for manufacturing carrying rollers.
本实用 新型结构简单，使用方便，可以用于加工外径不规则的长轴外，还可以用于 制作托辊。
At identical outside dimensions, these bearings are filled with thicker and longer rollers, which increases their load-carrying capacity.
在外形尺寸相同，这些轴承充满厚辊更长，从而增加其承载能力。
Use for the carrying idler of mineral Conveyor rollers.
主要适用于矿业皮带输送机托辊及其他输送设备。
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