Specification for bearings - airframe rolling single row, self aligning roller bearings in steel diameter series 3 and 4. Dimensions and loads.

轴承规范。钢的3号和4号直径系列机体单列自调心滚子轴承。尺寸和负荷。

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By the way of improving roller dimensions, roller number, outer roller path diameter, stop groove diameter and the effective thickness, the using reliability of the bearing is advanced.

通过对轴承结构中的滚子尺寸、滚子数量、外圈滚道直径、止动槽直径公差及有效壁厚的改进，提高其使用的可靠性。

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Large diameter Steel Flanges. Series A. Conforms to related dimensions.

大通径钢法兰。系列a。符合相关尺寸标准。

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