Bearing NAP211-35 KOYO -

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NACHI PZS Series Hydraulic Piston Pumps Origin Japan

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Komastu Gear Pump Origin Japan

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Bearing NAP211-35 KOYO image

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Bearing NAP211-35 KOYO Product identifiers

Bearing number:708 ACD/HCP4AH
Size (mm):22x8x7
Bore Diameter (mm):22
Outer Diameter (mm):8
Width (mm):7
d:8 mm
D:22 mm
B:7 mm
d1:12.6 mm
d2:12.6 mm
D1:17.4 mm
K:0.5 mm
C1:4.25 mm
r1,2 - min.:0.3 mm
r3,4 - min.:0.2 mm
a:7 mm
da - min.:10 mm
db - min.:10 mm
Da - max.:20 mm
Db - max.:20.6 mm
ra - max.:0.3 mm
rb - max.:0.2 mm
dn:13.6 mm
Basic dynamic load rating - C:3.2 kN
Basic static load rating - C0:1.3 kN
Fatigue load limit - Pu:0.056 kN
Limiting speed for grease lubrication:95000 r/min
Limiting speed for oil lubrication:150000 mm/min
Ball - Dw:3.969 mm
Ball - z:9
Gref:0.15 cm3
Calculation factor - e:0.68
Calculation factor - Y2:1.41
Calculation factor - Y0:0.76
Calculation factor - X2:0.67
Calculation factor - Y1:0.92
Preload class A - GA:20 N
Preload class B - GB:40 N
Preload class C - GC:80 N
Preload class D - GD:160 N
Calculation factor - f:1.02
Calculation factor - f1:0.99
Calculation factor - f2A:1
Calculation factor - f2B:1.02
Calculation factor - f2C:1.05
Calculation factor - f2D:1.08
Calculation factor - fHC:1.02
Preload class A:32 N/micron
Preload class B:41 N/micron
Preload class C:53 N/micron
Preload class D:71 N/micron
r1,2 min.:0.3 mm
r3,4 min.:0.2 mm
da min.:10 mm
db min.:10 mm
Da max.:20 mm
Db max.:20.6 mm
ra max.:0.3 mm
rb max.:0.2 mm
Basic dynamic load rating C:3.19 kN
Basic static load rating C0:1.34 kN
Fatigue load limit Pu:0.056 kN
Attainable speed for grease lubrication:95000 r/min
Attainable speed for oil-air lubrication:150000 r/min
Ball diameter Dw:3.969 mm
Number of balls z:9
Reference grease quantity Gref:0.15 cm³
Preload class A GA:20 N
Static axial stiffness, preload class A:32 N/µm
Preload class B GB:40 N
Static axial stiffness, preload class B:41 N/µm
Preload class C GC:80 N
Static axial stiffness, preload class C:53 N/µm
Preload class D GD:160 N
Static axial stiffness, preload class D:71 N/µm
Calculation factor f:1.02
Calculation factor f1:0.99
Calculation factor f2A:1
Calculation factor f2B:1.02
Calculation factor f2C:1.05
Calculation factor f2D:1.08
Calculation factor fHC:1.02
Calculation factor e:0.68
Calculation factor (single, tandem) Y2:0.87
Calculation factor (single, tandem) Y0:0.38
Calculation factor (single, tandem) X2:0.41
Calculation factor (back-to-back, face-to-face) Y1:0.92
Calculation factor (back-to-back, face-to-face) Y2:1.41
Calculation factor (back-to-back, face-to-face) Y0:0.76
Calculation factor (back-to-back, face-to-face) X2:0.67
Mass bearing:0.011 kg

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