W 61903 R
Precision ball bearing > Deep groove ball bearing
W 61903 R - Deep groove ball bearing - Precision ball bearing
| Product model | W 61903 R |
|---|---|
| d | 17 mm |
| D | 30 mm |
| B | 7 mm |
| Limiting speed | 32000 r/min |
| Reference speed | 50000r/min r/min |
| d1 | 21mm |
| D2 | 27.8mm |
| D3 | 32.5mm |
| C | 1.5mm |
| Chamfer Dimension(r1,2) | 0.3mm |
| Shaft shoulder diameter(da)min | 19mm |
| Chamfer radius of shaft or bearing seat(ra) | 0.3mm |
| Fatigue load limit | 0.108kN |
| Minimum load factor(kr) | 0.025 |
| Calculation coefficient(f0) | 14.8 |
| Mass bearing | 0.018kg |
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W 61903 R / Deep groove ball bearing / Precision ball bearing