20Y-70-80350 BOOM ASS'Y - Kate Komatsu part Machinery Co., Ltd

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20Y-70-80350 BOOM ASS'Y image

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20Y-70-80350 BOOM ASS'Y specification

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

Main Products: Load Wheel, Chain Wheel, Drive Wheel, Gear Block, Guide Wheel, Chain Rail Assembly, Track Assembly, Track Plate and High Strength Bolt. Other products: chain link, chain pin, bucket shaft, bucket shaft sleeve, swing frame, connecting rod, chain bracket, tension cylinder, tension spring, U-frame, large and small arm cylinder assembly, rubber block, bucket teeth, tooth base, etc.

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Kate Komatsu part Machinery Co., Ltd: Email; AddressJiulong wan ,Hong kong,china; Phone(Working Time); Fax

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