Bearing RT-747 SIGMA -

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Home>Products>Thrust Roller Bearings>Bearing RT-747 SIGMA image

Bearing RT-747 SIGMA image

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Bearing number:S71910 CD/HCP4A
Size (mm):72x50x12
Bore Diameter (mm):72
Outer Diameter (mm):50
Width (mm):12
d:50 mm
D:72 mm
B:12 mm
d1:57.1 mm
d2:57.1 mm
D2:67.12 mm
r1,2 - min.:0.6 mm
r3,4 - min.:0.3 mm
a:14.2 mm
da - min.:53.2 mm
da - max.:56.6 mm
db - min.:53.2 mm
db - max.:56.6 mm
Da - max.:68.8 mm
Db - max.:70.6 mm
ra - max.:0.6 mm
rb - max.:0.3 mm
Basic dynamic load rating - C:13.5 kN
Basic static load rating - C0:10.4 kN
Fatigue load limit - Pu:0.44 kN
Limiting speed for grease lubrication:22000 r/min
Ball - Dw:6.35 mm
Ball - z:25
Calculation factor - f0:10.7
Preload class A - GA:50 N
Preload class B - GB:100 N
Preload class C - GC:200 N
Preload class D - GD:400 N
Calculation factor - f:1
Calculation factor - f2A:1
Calculation factor - f2B:1.07
Calculation factor - f2C:1.12
Calculation factor - f2D:1.18
Calculation factor - fHC:1.04
Preload class A:47 N/micron
Preload class B:63 N/micron
Preload class C:87 N/micron
Preload class D:122 N/micron
r1,2 min.:0.6 mm
r3,4 min.:0.3 mm
da min.:53.2 mm
da max.:56.6 mm
db min.:53.2 mm
db max.:56.6 mm
Da max.:68.8 mm
Db max.:70.6 mm
ra max.:0.6 mm
rb max.:0.3 mm
Basic dynamic load rating C:13.5 kN
Basic static load rating C0:10.4 kN
Fatigue load limit Pu:0.44 kN
Attainable speed for grease lubrication:22000 r/min
Ball diameter Dw:6.35 mm
Number of balls z:25
Preload class A GA:50 N
Static axial stiffness, preload class A:47 N/µm
Preload class B GB:100 N
Static axial stiffness, preload class B:63 N/µm
Preload class C GC:200 N
Static axial stiffness, preload class C:87 N/µm
Preload class D GD:400 N
Static axial stiffness, preload class D:122 N/µm
Calculation factor f:1.13
Calculation factor f1:1
Calculation factor f2A:1
Calculation factor f2B:1.07
Calculation factor f2C:1.12
Calculation factor f2D:1.18
Calculation factor fHC:1.04
Calculation factor f0:10.7
Mass bearing:0.12 kg

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