标 准 编 号:DIN 628-4-2008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繁体中文标题: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)