7221 BECBM
Precision ball bearing > Single row angular contact ball bearing
7221 BECBM - Single row angular contact ball bearing - Precision ball bearing
| Product model | 7221 BECBM |
|---|---|
| d | 105 mm |
| D | 190 mm |
| B | 36 mm |
| Limiting speed | 5300 r/min |
| Reference speed | 4000 r/min |
| d1 | ≈137.95mm |
| d2 | ≈159.1mm |
| Distance from pressure point (a) | 80mm |
| r1,2 | min.2.1mm |
| Minimum chamfer size of outer ring(r3,4) | min.1.1mm |
| da | min.117mm |
| Da | max.178mm |
| Db | max.183mm |
| ra | max.2mm |
| rb | max.1mm |
| Pu | 5.2kN |
| Calculation coefficient (A) | 0.302 |
| Calculation coefficient (kr) | 0.095 |
| Calculation coefficient(e) | 1.14 |
| Mass bearing | 3.95kg |
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7221 BECBM / Single row angular contact ball bearing / Precision ball bearing