SKF NN 3012 TN/SP Cylindrical Roller Bearings

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SKF NN 3012 TN/SP Cylindrical Roller Bearings image

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SKF Roller bearings Specification details

Bearing number:7019 CD/P4AH1
Size (mm):145x95x24
Bore Diameter (mm):145
Outer Diameter (mm):95
Width (mm):24
d:95 mm
D:145 mm
B:24 mm
d1:110.4 mm
d2:110.4 mm
D1:129.6 mm
K:0.5 mm
C1:6.41 mm
r1,2 - min.:1.5 mm
r3,4 - min.:1 mm
a:28.2 mm
da - min.:102 mm
db - min.:102 mm
Da - max.:138 mm
Db - max.:141 mm
ra - max.:1.5 mm
rb - max.:1 mm
dn:113.7 mm
Basic dynamic load rating - C:81.9 kN
Basic static load rating - C0:80 kN
Fatigue load limit - Pu:3.1 kN
Limiting speed for grease lubrication:8500 r/min
Limiting speed for oil lubrication:14000 mm/min
Ball - Dw:15.875 mm
Ball - z:21
Gref:15.6 cm3
Calculation factor - f0:15.7
Preload class A - GA:310 N
Preload class B - GB:620 N
Preload class C - GC:1240 N
Preload class D - GD:2480 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
Preload class A:108 N/micron
Preload class B:148 N/micron
Preload class C:208 N/micron
Preload class D:302 N/micron
r1,2 min.:1.5 mm
r3,4 min.:1 mm
da min.:102 mm
db min.:102 mm
Da max.:138 mm
Db max.:141 mm
ra max.:1.5 mm
rb max.:1 mm
Basic dynamic load rating C:81.9 kN
Basic static load rating C0:80 kN
Fatigue load limit Pu:3.1 kN
Attainable speed for grease lubrication:8500 r/min
Attainable speed for oil-air lubrication:14000 r/min
Ball diameter Dw:15.875 mm
Number of balls z:21
Reference grease quantity Gref:15.6 cm³
Preload class A GA:310 N
Static axial stiffness, preload class A:108 N/µm
Preload class B GB:620 N
Static axial stiffness, preload class B:148 N/µm
Preload class C GC:1240 N
Static axial stiffness, preload class C:208 N/µm
Preload class D GD:2480 N
Static axial stiffness, preload class D:302 N/µm
Calculation factor f:1.15
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
Calculation factor f0:15.7
Mass bearing:1.21 kg

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