Excavator Slewing Bearing DH280
| Bearing number: | NJ 2009 ECP |
| Size (mm): | 75x45x19 |
| Bore Diameter (mm): | 75 |
| Outer Diameter (mm): | 45 |
| Width (mm): | 19 |
| d: | 45 mm |
| D: | 75 mm |
| B: | 19 mm |
Product Details
| Bearing number | NJ 2009 ECP |
| Size (mm) | 75x45x19 |
| Bore Diameter (mm) | 75 |
| Outer Diameter (mm) | 45 |
| Width (mm) | 19 |
| d | 45 mm |
| D | 75 mm |
| B | 19 mm |
| d1 | 56 mm |
| D1 | 65.5 mm |
| F | 52.5 mm |
| r1,2 - min. | 1 mm |
| r3,4 - min. | 1 mm |
| s | 0.7 mm |
| da - min. | 57 mm |
| da - max. | 51 mm |
| db - min. | 57.5 mm |
| Da - max. | 69.8 mm |
| ra - max. | 1 mm |
| Basic dynamic load rating - C | 52.8 kN |
| Basic static load rating - C0 | 64 kN |
| Fatigue load limit - Pu | 7.8 kN |
| Reference speed | 9000 r/min |
| Limiting speed | 11000 r/min |
| Calculation factor - kr | 0.1 |
| d1 ≈ | 56 mm |
| D1 ≈ | 65.5 mm |
| r1,2 min. | 1 mm |
| r3,4 min. | 0.6 mm |
| s max. | 0.7 mm |
| da min. | 57 mm |
| da max. | 51 mm |
| db min. | 57.5 mm |
| Da max. | 69.8 mm |
| ra max. | 1 mm |
| Basic dynamic load rating C | 52.8 kN |
| Basic static load rating C0 | 64 kN |
| Fatigue load limit Pu | 7.8 kN |
| Calculation factor kr | 0.13 |
| Limiting value e | 0.3 |
| Axial load factor Y | 0.4 |
| Mass bearing | 0.3 kg |
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