1209 ETN9
Precision ball bearing > Self aligning ball bearing
1209 ETN9 - Self aligning ball bearing - Precision ball bearing
| Product model | 1209 ETN9 |
|---|---|
| d | 45 mm |
| D | 85 mm |
| B | 19 mm |
| Limiting speed | 11000 r/min |
| Reference speed | 17000 r/min |
| d1 | ≈57.51mm |
| D1 | ≈72.5mm |
| Chamfer size(r1,2) | min.1.1mm |
| da | min.52mm |
| Da | max.78mm |
| ra | max.1.1mm |
| Pu | 0.4kN |
| Allowable misalignment error(α) | 2.5° |
| Calculation coefficient(kr) | 0.04 |
| Calculation coefficient(e) | 0.21 |
| Calculation coefficient(Y0) | 3.2 |
| Calculation coefficient(Y1) | 3 |
| Calculation coefficient(Y2) | 4.6 |
| Mass bearing | 0.47kg |
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1209 ETN9 / Self aligning ball bearing / Precision ball bearing