滚动轴承。止推轴承座。外形尺寸。

Rolling bearings. plummer block housings. boundary dimensions.

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简体中文标题：滚动轴承。单列非自保持径向止推球轴承。带可分解内环的四点支承滚动轴承。

English Name:Rolling bearings - Angular contact radial ball bearings - Part 4: Single row, double-direction - not self-locking, with double-split inner ring (Four-point contact bearing)

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