NNU4922 KOYO Double-row cylindrical roller bearings
| Brand Name: | KOYO |
| Model Number: | NNU4922 |
| Bearing number: | NU 320 ECN1ML |
| Size (mm): | 215x100x47 |
| Bore Diameter (mm): | 215 |
| Outer Diameter (mm): | 100 |
| Width (mm): | 47 |
| d: | 100 mm |
| D: | 215 mm |
| B: | 47 mm |
| PDF |
NNU4922 |
Product Details
| Bearing number | NU 320 ECN1ML |
| Size (mm) | 215x100x47 |
| Bore Diameter (mm) | 215 |
| Outer Diameter (mm) | 100 |
| Width (mm) | 47 |
| d | 100 mm |
| D | 215 mm |
| B | 47 mm |
| D1 | 181.95 mm |
| F | 127.5 mm |
| r1,2 - min. | 3 mm |
| r3,4 - min. | 3 mm |
| s | 2.9 mm |
| da - min. | 114 mm |
| da - max. | 124 mm |
| db - min. | 131 mm |
| Da - max. | 199.6 mm |
| ra - max. | 2.5 mm |
| rb - max. | 2.5 mm |
| Basic dynamic load rating - C | 450 kN |
| Basic static load rating - C0 | 440 kN |
| Fatigue load limit - Pu | 51 kN |
| Reference speed | 3200 r/min |
| Limiting speed | 6000 r/min |
| Calculation factor - kr | 0.23 |
| D1 ≈ | 181.95 mm |
| b1 | 10.5 mm |
| h | 11.7 mm |
| r1,2 min. | 3 mm |
| r3,4 min. | 3 mm |
| s max. | 2.9 mm |
| da min. | 114 mm |
| da max. | 124 mm |
| db min. | 131 mm |
| Da max. | 199.6 mm |
| ra max. | 2.5 mm |
| rb max. | 2.5 mm |
| Basic dynamic load rating C | 450 kN |
| Basic static load rating C0 | 440 kN |
| Fatigue load limit Pu | 51 kN |
| Calculation factor kr | 0.23 |
| Limiting value e | 0.2 |
| Axial load factor Y | 0.6 |
| Mass bearing | 8.28 kg |
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