High Precision Angular Contact Ball Bearings with
2. Four dimension series of ZYS angular contact ball bearings The precision angular contact ball bearings for spindles have four dimension series, 718, 719, 70 and 72. With the same inner diameter, the outer diameter and the width of 718, 719, 70 and 72 increase in sequence. Table 1. The types and performance of ZYS angular contact ball bearings
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