| 摘要 |
Miniature type ball bearing having a first ball race path allotted on two rings, said rings engaging said balls by means of edges located on said rings, said edges forming said first ball race path, a second ball race path being formed of two edges located on a third ring of an embodiment, said bearing being produced without clearance or squeezing, said bearing being submitted to a polishing operation for adjusting clearance, with advantages resulting mainly in the economical and accurate production of miniature type ball bearings. |
