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 |
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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 |