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URD Bearing (Ultra Reliable Dynamic Bearing)，Fluid Bearing，Long-Life Motor
1 posts
N
Neo
2026-06-08
Detailed Explanation of URD Bearing (Ultra Reliable Dynamic Bearing)
URD (Ultra Reliable Dynamic Bearing) is an oil-film/fluid dynamic sliding bearing solution internally developed by Nidec. It replaces ball bearings with an oil film and is essentially part of the FDB (Fluid Dynamic Bearing) family.
