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Home>Products>ROLLING BEARINGS FOR STEEL MILLS NSK>Bearing 630KV81 image

Bearing 630KV81 image

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Bearing number:71919 ACE/HCP4A
Size (mm):95x130x18
Bore Diameter (mm):95
Outer Diameter (mm):130
Width (mm):18
d:95 mm
D:130 mm
B:18 mm
d1:106 mm
d2:102.9 mm
D1:119.22 mm
r1,2 - min.:1.1 mm
r3,4 - min.:0.6 mm
a:37.1 mm
da - min.:101 mm
db - min.:98.2 mm
Da - max.:124 mm
Db - max.:126.8 mm
ra - max.:1 mm
rb - max.:0.6 mm
dn:108.5 mm
Basic dynamic load rating - C:29.1 kN
Basic static load rating - C0:24 kN
Fatigue load limit - Pu:0.93 kN
Limiting speed for grease lubrication:15000 r/min
Limiting speed for oil lubrication:23000 mm/min
Ball - Dw:11.112 mm
Ball - z:25
Gref:7.3 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:265 N
Preload class B - GB:795 N
Preload class C - GC:1590 N
Calculation factor - f:1.18
Calculation factor - f1:0.98
Calculation factor - f2A:1
Calculation factor - f2B:1.04
Calculation factor - f2C:1.08
Calculation factor - fHC:1.01
Preload class A:189 N/micron
Preload class B:285 N/micron
Preload class C:375 N/micron
r1,2 min.:1.1 mm
r3,4 min.:0.6 mm
da min.:101 mm
db min.:98.2 mm
Da max.:124 mm
Db max.:126.8 mm
ra max.:1 mm
rb max.:0.6 mm
Basic dynamic load rating C:29.1 kN
Basic static load rating C0:24 kN
Fatigue load limit Pu:0.93 kN
Attainable speed for grease lubrication:15000 r/min
Attainable speed for oil-air lubrication:23000 r/min
Ball diameter Dw:11.112 mm
Number of balls z:25
Reference grease quantity Gref:7.3 cm³
Preload class A GA:265 N
Static axial stiffness, preload class A:189 N/µm
Preload class B GB:795 N
Static axial stiffness, preload class B:285 N/µm
Preload class C GC:1590 N
Static axial stiffness, preload class C:375 N/µm
Calculation factor f:1.18
Calculation factor f1:0.98
Calculation factor f2A:1
Calculation factor f2B:1.04
Calculation factor f2C:1.08
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:0.48 kg

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