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NTN Thailand 13301 Ball Bearings image

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Bearing number:7018 CD/HCP4AH1
Size (mm):90x140x24
Bore Diameter (mm):90
Outer Diameter (mm):140
Width (mm):24
d:90 mm
D:140 mm
B:24 mm
d1:105.4 mm
d2:105.4 mm
D1:124.6 mm
K:0.5 mm
C1:6.85 mm
r1,2 - min.:1.5 mm
r3,4 - min.:1 mm
a:27.5 mm
da - min.:97 mm
db - min.:97 mm
Da - max.:133 mm
Db - max.:136 mm
ra - max.:1.5 mm
rb - max.:1 mm
dn:108.7 mm
Basic dynamic load rating - C:79.3 kN
Basic static load rating - C0:76.5 kN
Fatigue load limit - Pu:3 kN
Limiting speed for grease lubrication:11000 r/min
Limiting speed for oil lubrication:18000 mm/min
Ball - Dw:15.875 mm
Ball - z:20
Gref:15 cm3
Calculation factor - f0:15.6
Preload class A - GA:300 N
Preload class B - GB:600 N
Preload class C - GC:1200 N
Preload class D - GD:2400 N
Calculation factor - f:1
Calculation factor - f2A:1
Calculation factor - f2B:1.02
Calculation factor - f2C:1.05
Calculation factor - f2D:1.09
Calculation factor - fHC:1.02
Preload class A:114 N/micron
Preload class B:156 N/micron
Preload class C:220 N/micron
Preload class D:319 N/micron
r1,2 min.:1.5 mm
r3,4 min.:1 mm
da min.:97 mm
db min.:97 mm
Da max.:133 mm
Db max.:136 mm
ra max.:1.5 mm
rb max.:1 mm
Basic dynamic load rating C:79.3 kN
Basic static load rating C0:76.5 kN
Fatigue load limit Pu:3 kN
Attainable speed for grease lubrication:11000 r/min
Attainable speed for oil-air lubrication:18000 r/min
Ball diameter Dw:15.875 mm
Number of balls z:20
Reference grease quantity Gref:15 cm³
Preload class A GA:300 N
Static axial stiffness, preload class A:114 N/µm
Preload class B GB:600 N
Static axial stiffness, preload class B:156 N/µm
Preload class C GC:1200 N
Static axial stiffness, preload class C:220 N/µm
Preload class D GD:2400 N
Static axial stiffness, preload class D:319 N/µm
Calculation factor f:1.14
Calculation factor f1:1
Calculation factor f2A:1
Calculation factor f2B:1.02
Calculation factor f2C:1.05
Calculation factor f2D:1.09
Calculation factor fHC:1.02
Calculation factor f0:15.6
Mass bearing:1.01 kg

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