Excavator part on PC220-8/PC270-8/WA450-6 pilot valve of 702-21-57400

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Home>Products>Engine and engine parts>Excavator part on PC220-8/PC270-8/WA450-6 pilot valve of 702-21-57400 image

Excavator part on PC220-8/PC270-8/WA450-6 pilot valve of 702-21-57400 image

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Specifications for Engine and engine parts

Bearing number:7213 CD/HCP4A
Size (mm):120x65x23
Bore Diameter (mm):120
Outer Diameter (mm):65
Width (mm):23
d:65 mm
D:120 mm
B:23 mm
d1:82.9 mm
d2:82.9 mm
D1:102.1 mm
r1,2 - min.:1.5 mm
r3,4 - min.:0.6 mm
a:24 mm
da - min.:74 mm
db - min.:74 mm
Da - max.:111 mm
Db - max.:115.8 mm
ra - max.:1.5 mm
rb - max.:0.6 mm
dn:86.6 mm
Basic dynamic load rating - C:66.3 kN
Basic static load rating - C0:53 kN
Fatigue load limit - Pu:2.3 kN
Limiting speed for grease lubrication:15000 r/min
Limiting speed for oil lubrication:22000 mm/min
Ball - Dw:15.875 mm
Ball - z:15
Gref:12.471 cm3
Calculation factor - f0:14.6
Preload class A - GA:250 N
Preload class B - GB:500 N
Preload class C - GC:1000 N
Preload class D - GD:2000 N
Calculation factor - f:1
Calculation factor - f2A:1
Calculation factor - f2B:1.01
Calculation factor - f2C:1.03
Calculation factor - f2D:1.06
Calculation factor - fHC:1.01
Preload class A:87 N/micron
Preload class B:118 N/micron
Preload class C:164 N/micron
Preload class D:236 N/micron
r1,2 min.:1.5 mm
r3,4 min.:0.6 mm
da min.:74 mm
db min.:74 mm
Da max.:111 mm
Db max.:115.8 mm
ra max.:1.5 mm
rb max.:0.6 mm
Basic dynamic load rating C:66.3 kN
Basic static load rating C0:53 kN
Fatigue load limit Pu:2.28 kN
Attainable speed for grease lubrication:15000 r/min
Attainable speed for oil-air lubrication:22000 r/min
Ball diameter Dw:15.875 mm
Number of balls z:15
Reference grease quantity Gref:12.471 cm³
Preload class A GA:250 N
Static axial stiffness, preload class A:87 N/µm
Preload class B GB:500 N
Static axial stiffness, preload class B:118 N/µm
Preload class C GC:1000 N
Static axial stiffness, preload class C:164 N/µm
Preload class D GD:2000 N
Static axial stiffness, preload class D:236 N/µm
Calculation factor f:1.07
Calculation factor f1:1
Calculation factor f2A:1
Calculation factor f2B:1.01
Calculation factor f2C:1.03
Calculation factor f2D:1.06
Calculation factor fHC:1.01
Calculation factor f0:14.6
Mass bearing:0.88 kg

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Jinan Excavator Parts Company: Email[email protected]; AddressTianqiao, Beiyuan District, Jinan，Shandong; Phone(Working Time)86 0531-8299 9952; Fax86 0531 -82990353

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Specifications for Engine and engine parts

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