Bearing RNA4008 V ISO - Boyal Industrial Pte ltd.

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Bearing RNA4008 V ISO image

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Bearing RNA4008 V ISO Compare similar products

Bearing number:71909 ACE/HCP4A
Size (mm):68x45x12
Bore Diameter (mm):68
Outer Diameter (mm):45
Width (mm):12
d:45 mm
D:68 mm
B:12 mm
d1:52.7 mm
d2:51 mm
D1:60.3 mm
r1,2 - min.:0.6 mm
r3,4 - min.:0.3 mm
a:20 mm
da - min.:48.2 mm
db - min.:47 mm
Da - max.:64.8 mm
Db - max.:66 mm
ra - max.:0.6 mm
rb - max.:0.3 mm
dn:54.2 mm
Basic dynamic load rating - C:9.8 kN
Basic static load rating - C0:6.6 kN
Fatigue load limit - Pu:0.275 kN
Limiting speed for grease lubrication:30000 r/min
Limiting speed for oil lubrication:47000 mm/min
Ball - Dw:6.35 mm
Ball - z:21
Gref:1.5 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:88 N
Preload class B - GB:265 N
Preload class C - GC:529 N
Calculation factor - f:1.09
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:94 N/micron
Preload class B:141 N/micron
Preload class C:185 N/micron
r1,2 min.:0.6 mm
r3,4 min.:0.3 mm
da min.:48.2 mm
db min.:47 mm
Da max.:64.8 mm
Db max.:66 mm
ra max.:0.6 mm
rb max.:0.3 mm
Basic dynamic load rating C:9.75 kN
Basic static load rating C0:6.55 kN
Fatigue load limit Pu:0.275 kN
Attainable speed for grease lubrication:30000 r/min
Attainable speed for oil-air lubrication:47000 r/min
Ball diameter Dw:6.35 mm
Number of balls z:21
Reference grease quantity Gref:1.5 cm³
Preload class A GA:88 N
Static axial stiffness, preload class A:94 N/µm
Preload class B GB:265 N
Static axial stiffness, preload class B:141 N/µm
Preload class C GC:529 N
Static axial stiffness, preload class C:185 N/µm
Calculation factor f:1.09
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:0.12 kg

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