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Bearing RNA4008 V ISO MODELS

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Bearing RNA4008 V ISO

Bearing RNA4008 V ISO SPECIFICATIONS

170 Million used Bearing RNA4008 V ISO instantly searchable. Shop 68x45x12 our large selection of parts based on brand, price, description, and Boyal Industrial Pte ltd. location. Order the Needle Roller Bearing with stock ...
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

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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

Bearing RNA4008 V ISO pdf

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