NTN 7003CVDUJ74 Precision Ball Bearings -

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Produktinformation

Bearing number:719/8 CE/P4A
Size (mm):19x8x6
Bore Diameter (mm):19
Outer Diameter (mm):8
Width (mm):6
d:8 mm
D:19 mm
B:6 mm
d1:11.3 mm
d2:10.76 mm
D1:15.7 mm
r1,2 - min.:0.3 mm
r3,4 - min.:0.15 mm
a:5 mm
da - min.:10 mm
db - min.:10 mm
Da - max.:17 mm
Db - max.:18.2 mm
ra - max.:0.3 mm
rb - max.:0.15 mm
dn:12.2 mm
Basic dynamic load rating - C:1.7 kN
Basic static load rating - C0:0.63 kN
Fatigue load limit - Pu:0.027 kN
Limiting speed for grease lubrication:120000 r/min
Limiting speed for oil lubrication:185000 mm/min
Ball - Dw:3.175 mm
Ball - z:9
Gref:0.09 cm3
Calculation factor - f0:7.2
Preload class A - GA:9 N
Preload class B - GB:27 N
Preload class C - GC:55 N
Calculation factor - f:1
Calculation factor - f2A:1
Calculation factor - f2B:1.04
Calculation factor - f2C:1.08
Calculation factor - fHC:1
Preload class A:8 N/micron
Preload class B:13 N/micron
Preload class C:18 N/micron
r1,2 min.:0.3 mm
r3,4 min.:0.15 mm
da min.:10 mm
db min.:10 mm
Da max.:17 mm
Db max.:18.2 mm
ra max.:0.3 mm
rb max.:0.15 mm
Basic dynamic load rating C:1.74 kN
Basic static load rating C0:0.63 kN
Fatigue load limit Pu:0.027 kN
Attainable speed for grease lubrication:120000 r/min
Attainable speed for oil-air lubrication:185000 r/min
Ball diameter Dw:3.175 mm
Number of balls z:9
Reference grease quantity Gref:0.09 cm³
Preload class A GA:9 N
Static axial stiffness, preload class A:8 N/µm
Preload class B GB:27 N
Static axial stiffness, preload class B:13 N/µm
Preload class C GC:55 N
Static axial stiffness, preload class C:18 N/µm
Calculation factor f:1.02
Calculation factor f1:1
Calculation factor f2A:1
Calculation factor f2B:1.04
Calculation factor f2C:1.08
Calculation factor fHC:1
Calculation factor f0:7.2
Mass bearing:0.007 kg

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