Double column angular contact ball bearing in fat hole is annotated in area
The utility model relates to a double column angular contact ball bearing in fat hole is annotated in area, including bearing inner race (1) and bearing inner race (2), the common the top of bearing inner race (1) and bearing inner race (2) with be equipped with a dustproof sealing structure (3) joi...
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Format: | Patent |
Sprache: | chi ; eng |
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