307 NR
Precision ball bearing > Deep groove ball bearing
307 NR - Deep groove ball bearing - Precision ball bearing
| Product model | 307 NR |
|---|---|
| d | 35 mm |
| D | 80 mm |
| B | 21 mm |
| Limiting speed | 9500 r/min |
| Reference speed | 16000r/min r/min |
| d1 | 49.56mm |
| D2 | 69.2mm |
| Chamfer Dimension(r1,2) | 1.5mm |
| Shaft shoulder diameter(da)min | 44mm |
| Diameter of bearing seat shoulder(Da) | 71mm |
| Chamfer radius of shaft or bearing seat(ra) | 1.5mm |
| Fatigue load limit | 1.12kN |
| Minimum load factor(kr) | 0.05 |
| Mass bearing | 0.48kg |
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307 NR / Deep groove ball bearing / Precision ball bearing