KOMATSU SHOE ASS'Y 20Y-32-01244

KOMATSU SHOE ASS'Y 20Y-32-01244 Kate Komatsu part Machinery Co., Ltd Deal is your 28x15x7 source for OEM SHOE ASS'Y and accessories. We sell GenuineSHOE ASS'Y at discount prices.

Bearing number:71902 ACD/HCP4A
Size (mm):28x15x7
Bore Diameter (mm):28
Outer Diameter (mm):15
Width (mm):7
d:15 mm
D:28 mm
B:7 mm
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Product Details

Bearing number71902 ACD/HCP4A
Size (mm)28x15x7
Bore Diameter (mm)28
Outer Diameter (mm)15
Width (mm)7
d15 mm
D28 mm
B7 mm
d118.9 mm
d218.9 mm
D123.7 mm
r1,2 - min.0.3 mm
r3,4 - min.0.2 mm
a8.5 mm
da - min.17 mm
db - min.17 mm
Da - max.26 mm
Db - max.26.6 mm
ra - max.0.3 mm
rb - max.0.2 mm
dn20.1 mm
Basic dynamic load rating - C3.8 kN
Basic static load rating - C01.8 kN
Fatigue load limit - Pu0.078 kN
Limiting speed for grease lubrication60000 r/min
Limiting speed for oil lubrication90000 mm/min
Ball - Dw3.969 mm
Ball - z13
Gref0.21 cm3
Calculation factor - e0.68
Calculation factor - Y21.41
Calculation factor - Y00.76
Calculation factor - X20.67
Calculation factor - Y10.92
Preload class A - GA25 N
Preload class B - GB50 N
Preload class C - GC100 N
Preload class D - GD200 N
Calculation factor - f1.05
Calculation factor - f10.98
Calculation factor - f2A1
Calculation factor - f2B1.07
Calculation factor - f2C1.12
Calculation factor - f2D1.17
Calculation factor - fHC1.04
Preload class A44 N/micron
Preload class B57 N/micron
Preload class C74 N/micron
Preload class D98 N/micron
r1,2 min.0.3 mm
r3,4 min.0.2 mm
da min.17 mm
db min.17 mm
Da max.26 mm
Db max.26.6 mm
ra max.0.3 mm
rb max.0.2 mm
Basic dynamic load rating C3.77 kN
Basic static load rating C01.8 kN
Fatigue load limit Pu0.078 kN
Attainable speed for grease lubrication60000 r/min
Attainable speed for oil-air lubrication90000 r/min
Ball diameter Dw3.969 mm
Number of balls z13
Reference grease quantity Gref0.21 cm³
Preload class A GA25 N
Static axial stiffness, preload class A44 N/µm
Preload class B GB50 N
Static axial stiffness, preload class B57 N/µm
Preload class C GC100 N
Static axial stiffness, preload class C74 N/µm
Preload class D GD200 N
Static axial stiffness, preload class D98 N/µm
Calculation factor f1.05
Calculation factor f10.98
Calculation factor f2A1
Calculation factor f2B1.07
Calculation factor f2C1.12
Calculation factor f2D1.17
Calculation factor fHC1.04
Calculation factor e0.68
Calculation factor (single, tandem) Y20.87
Calculation factor (single, tandem) Y00.38
Calculation factor (single, tandem) X20.41
Calculation factor (back-to-back, face-to-face) Y10.92
Calculation factor (back-to-back, face-to-face) Y21.41
Calculation factor (back-to-back, face-to-face) Y00.76
Calculation factor (back-to-back, face-to-face) X20.67
Mass bearing0.014 kg
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