The roller of these bearings are of spherical shape, and the spherical raceway surface of the housing washer is selfaligned.
该类轴承滚子为球面型，由于座圈滚道面呈球面，具有调心性能。
Through improving the punch structure, improved the spherical surface bearing housing die machining quality.
通过改进拉伸凸模结构，提高球面轴承座模具加工质量。
Ball joint housing is an outer ring of radial spherical plain bearing, made of zinc base alloy.
球头座为向心关节轴承的外圈，由锌基合金制成。
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