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Bearing housed units KHPP203A NACHI image

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The details of BEARING UNITS

Bearing number:7212 ACD/HCP4A
Size (mm):110x60x22
Bore Diameter (mm):110
Outer Diameter (mm):60
Width (mm):22
d:60 mm
D:110 mm
B:22 mm
d1:76.4 mm
d2:76.4 mm
D1:93.6 mm
r1,2 - min.:1.5 mm
r3,4 - min.:0.6 mm
a:30.9 mm
da - min.:69 mm
db - min.:69 mm
Da - max.:101 mm
Db - max.:105.8 mm
ra - max.:1.5 mm
rb - max.:0.6 mm
dn:80.1 mm
Basic dynamic load rating - C:55.3 kN
Basic static load rating - C0:45 kN
Fatigue load limit - Pu:1.9 kN
Limiting speed for grease lubrication:14000 r/min
Limiting speed for oil lubrication:22000 mm/min
Ball - Dw:14.288 mm
Ball - z:16
Gref:10.08 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:350 N
Preload class B - GB:700 N
Preload class C - GC:1400 N
Preload class D - GD:2800 N
Calculation factor - f:1.07
Calculation factor - f1:0.99
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:202 N/micron
Preload class B:264 N/micron
Preload class C:349 N/micron
Preload class D:470 N/micron
r1,2 min.:1.5 mm
r3,4 min.:0.6 mm
da min.:69 mm
db min.:69 mm
Da max.:101 mm
Db max.:105.8 mm
ra max.:1.5 mm
rb max.:0.6 mm
Basic dynamic load rating C:55.3 kN
Basic static load rating C0:45 kN
Fatigue load limit Pu:1.9 kN
Attainable speed for grease lubrication:14000 r/min
Attainable speed for oil-air lubrication:22000 r/min
Ball diameter Dw:14.288 mm
Number of balls z:16
Reference grease quantity Gref:10.08 cm³
Preload class A GA:350 N
Static axial stiffness, preload class A:202 N/µm
Preload class B GB:700 N
Static axial stiffness, preload class B:264 N/µm
Preload class C GC:1400 N
Static axial stiffness, preload class C:349 N/µm
Preload class D GD:2800 N
Static axial stiffness, preload class D:470 N/µm
Calculation factor f:1.07
Calculation factor f1:0.99
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 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:0.69 kg

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