Bearing 7204 BDB ISO - Boyal Industrial Pte ltd.

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Bearing 7204 BDB ISO image

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Bearing number:S7011 ACD/HCP4A
Size (mm):90x55x18
Bore Diameter (mm):90
Outer Diameter (mm):55
Width (mm):18
d:55 mm
D:90 mm
B:18 mm
d1:65.8 mm
d2:65.8 mm
D2:81.8 mm
r1,2 - min.:1.1 mm
r3,4 - min.:0.6 mm
a:26 mm
da - min.:61 mm
da - max.:65.2 mm
db - min.:61 mm
db - max.:65.2 mm
Da - max.:84 mm
Db - max.:86.8 mm
ra - max.:1 mm
rb - max.:0.6 mm
Basic dynamic load rating - C:37.1 kN
Basic static load rating - C0:31 kN
Fatigue load limit - Pu:1.3 kN
Limiting speed for grease lubrication:17000 r/min
Ball - Dw:11.112 mm
Ball - z:18
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:230 N
Preload class B - GB:460 N
Preload class C - GC:920 N
Preload class D - GD:1840 N
Calculation factor - f:1.1
Calculation factor - f1:0.99
Calculation factor - f2A:1
Calculation factor - f2B:1.02
Calculation factor - f2C:1.05
Calculation factor - f2D:1.08
Calculation factor - fHC:1.02
Preload class A:176 N/micron
Preload class B:230 N/micron
Preload class C:305 N/micron
Preload class D:413 N/micron
r1,2 min.:1.1 mm
r3,4 min.:0.6 mm
da min.:61 mm
da max.:65.2 mm
db min.:61 mm
db max.:65.2 mm
Da max.:84 mm
Db max.:86.8 mm
ra max.:1 mm
rb max.:0.6 mm
Basic dynamic load rating C:37.1 kN
Basic static load rating C0:31 kN
Fatigue load limit Pu:1.32 kN
Attainable speed for grease lubrication:17000 r/min
Ball diameter Dw:11.112 mm
Number of balls z:18
Preload class A GA:230 N
Static axial stiffness, preload class A:176 N/µm
Preload class B GB:460 N
Static axial stiffness, preload class B:230 N/µm
Preload class C GC:920 N
Static axial stiffness, preload class C:305 N/µm
Preload class D GD:1840 N
Static axial stiffness, preload class D:413 N/µm
Calculation factor f:1.1
Calculation factor f1:0.99
Calculation factor f2A:1
Calculation factor f2B:1.02
Calculation factor f2C:1.05
Calculation factor f2D:1.08
Calculation factor fHC:1.02
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:0.32 kg

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