21J-70-00311 BOOM ASS'Y - Kate Komatsu part Machinery Co., Ltd

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21J-70-00311 BOOM ASS'Y image

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21J-70-00311 BOOM ASS'Y specification

Bearing number:7317
Size (mm):85x180x41
Bore Diameter (mm):85
Outer Diameter (mm):180
Width (mm):41
d:85 mm
D:180 mm
B:41 mm
C:41 mm
Angle (α):30 °
a:58.8 mm
r min.:3 mm
r1 min.:1.1 mm
da min.:99 mm
Da max.:166 mm
ra max.:2.5 mm
Weight:4.53 Kg
(Grease) Lubrication Speed:4400 r/min
Bearing No.:7317
r(min):3
r1(min):1.1
Cr:198
C0r:133
Cu:7.95
f0:-
Grease lub.:3500
Oil lub.:4400
a(mm):58.8
da(min):99
Da(max):166
ra(max):2.5
(Refer.)Mass(kg):4.53

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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