20Y-70-80350 BOOM ASS'Y
20Y-70-80350 BOOM ASS'Y with easy-to-use 560 mm d parts graphics, giving you the ability to Kate Komatsu part Machinery Co., Ltd check parts 115 mm B availability, BOOM ASS'Y pricing, examine 820 mm D remanufactured options.
| d: |
560 mm |
| D: |
820 mm |
| B: |
115 mm |
| d1 ≈: |
648.1 mm |
| D1 ≈: |
736.1 mm |
| a: |
257 mm |
| r1,2 min.: |
6 mm |
| r3,4 min.: |
3 mm |
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Product Details
| d |
560 mm |
| D |
820 mm |
| B |
115 mm |
| d1 ≈ |
648.1 mm |
| D1 ≈ |
736.1 mm |
| a |
257 mm |
| r1,2 min. |
6 mm |
| r3,4 min. |
3 mm |
| da min. |
583 mm |
| Da max. |
797 mm |
| Db max. |
807 mm |
| ra max. |
5 mm |
| rb max. |
2.5 mm |
| Basic dynamic load rating C |
793 kN |
| Basic static load rating C0 |
1900 kN |
| Fatigue load limit Pu |
30.5 kN |
| Reference speed |
700 r/min |
| Calculation factor A |
26.9 |
| Calculation factor kr |
0.085 |
| Calculation factor e |
0.8 |
| Calculation factor X |
0.63 |
| Calculation factor Y0 |
0.66 |
| Calculation factor Y2 |
1.24 |
| Calculation factor Y1 |
0.78 |
| Mass bearing |
203 kg |