TIMKEN EE291250-90090 Tapered Roller Bearing Assemblies

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TIMKEN EE291250-90090 Tapered Roller Bearing Assemblies image

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TIMKEN EE291250-90090 Tapered Roller Bearing Assemblies Systems

Bearing number:71811 CD/HCP4
Size (mm):72x55x9
Bore Diameter (mm):72
Outer Diameter (mm):55
Width (mm):9
d:55 mm
D:72 mm
B:9 mm
d1:60.7 mm
d2:60.7 mm
D1:66.5 mm
r1,2 - min.:0.3 mm
r3,4 - min.:0.15 mm
a:13 mm
da - min.:57 mm
db - min.:57 mm
Da - max.:70 mm
Db - max.:71.2 mm
ra - max.:0.3 mm
rb - max.:0.15 mm
dn:61.3 mm
Basic dynamic load rating - C:10.1 kN
Basic static load rating - C0:10.8 kN
Fatigue load limit - Pu:0.455 kN
Limiting speed for grease lubrication:22000 r/min
Limiting speed for oil lubrication:32000 mm/min
Ball - Dw:4.762 mm
Ball - z:29
Gref:0.88 cm3
Calculation factor - f0:17.1
Preload class A - GA:55 N
Preload class B - GB:165 N
Preload class C - GC:330 N
Calculation factor - f:1
Calculation factor - f2A:1
Calculation factor - f2B:1.1
Calculation factor - f2C:1.18
Calculation factor - fHC:1.02
Preload class A:59 N/micron
Preload class B:101 N/micron
Preload class C:150 N/micron
r1,2 min.:0.3 mm
r3,4 min.:0.15 mm
da min.:57 mm
db min.:57 mm
Da max.:70 mm
Db max.:71.2 mm
ra max.:0.3 mm
rb max.:0.15 mm
Basic dynamic load rating C:10.1 kN
Basic static load rating C0:10.8 kN
Fatigue load limit Pu:0.455 kN
Attainable speed for grease lubrication:22000 r/min
Attainable speed for oil-air lubrication:32000 r/min
Ball diameter Dw:4.762 mm
Number of balls z:29
Reference grease quantity Gref:0.88 cm³
Preload class A GA:55 N
Static axial stiffness, preload class A:59 N/µm
Preload class B GB:165 N
Static axial stiffness, preload class B:101 N/µm
Preload class C GC:330 N
Static axial stiffness, preload class C:150 N/µm
Calculation factor f:1.27
Calculation factor f1:1
Calculation factor f2A:1
Calculation factor f2B:1.1
Calculation factor f2C:1.18
Calculation factor fHC:1.02
Calculation factor f0:17.1
Mass bearing:0.073 kg

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TIMKEN EE291250-90090 Tapered Roller Bearing Assemblies Systems

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