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.
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 |