1211 ETN9
Precision ball bearing > Self aligning ball bearing
1211 ETN9 - Self aligning ball bearing - Precision ball bearing
| Product model | 1211 ETN9 |
|---|---|
| d | 55 mm |
| D | 100 mm |
| B | 21 mm |
| Limiting speed | 9000 r/min |
| Reference speed | 14000 r/min |
| d1 | ≈70.3mm |
| D1 | ≈86.5mm |
| Chamfer size(r1,2) | min.1.5mm |
| da | min.64mm |
| Da | max.91mm |
| ra | max.1.5mm |
| Pu | 0.54kN |
| Allowable misalignment error(α) | 2.5° |
| Calculation coefficient(kr) | 0.04 |
| Calculation coefficient(e) | 0.2 |
| Calculation coefficient(Y0) | 3.2 |
| Calculation coefficient(Y1) | 3.2 |
| Calculation coefficient(Y2) | 4.9 |
| Mass bearing | 0.71kg |
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1211 ETN9 / Self aligning ball bearing / Precision ball bearing