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 |
| PDF |
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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 |