305 NR
Precision ball bearing > Deep groove ball bearing
305 NR - Deep groove ball bearing - Precision ball bearing
| Product model | 305 NR |
|---|---|
| d | 25 mm |
| D | 62 mm |
| B | 17 mm |
| Limiting speed | 13000 r/min |
| Reference speed | 20000r/min r/min |
| d1 | 36.6mm |
| D2 | 52.7mm |
| Chamfer Dimension(r1,2) | 1.1mm |
| Shaft shoulder diameter(da)min | 32mm |
| Diameter of bearing seat shoulder(Da) | 55mm |
| Chamfer radius of shaft or bearing seat(ra) | 1mm |
| Fatigue load limit | 0.67kN |
| Minimum load factor(kr) | 0.05 |
| Mass bearing | 0.24kg |
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305 NR / Deep groove ball bearing / Precision ball bearing