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。
The bearings are designed for very high load carrying capacity and, because they are designed with the optimum number of large barrel rollers, are also suitable for heavy loads.
轴承的设计非常高的承载能力，而且由于他们的设计的最佳一些大型每桶辊，也适用于重物。
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。
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