55 mm x 80 mm x 13 mm Preload class A Loyal Bones Ceramic Super REDS Skateboard Bearings

55 mm x 80 mm x 13 mm Preload class A Loyal Bones Ceramic Super REDS Skateboard Bearings Engineering Calculator , Skateboard Bearings Manufacturing SKF Brand Service . Get Your S71911 ACE/HCP4A Bearing number Free. 80x55x13 Size (mm)

Bearing number S71911 ACE/HCP4A
Size (mm) 80x55x13
Brand SKF
Bore Diameter (mm) 80
Outer Diameter (mm) 55
Width (mm) 13
d 55 mm
D 80 mm
B 13 mm
d1 62.75 mm
d2 60.7 mm
D2 74.7 mm
r1,2 - min. 1 mm
r3,4 - min. 0.3 mm
a 23.5 mm
da - min. 59.6 mm
da - max. 62.2 mm
db - min. 57 mm
db - max. 60.1 mm
Da - max. 75.4 mm
Db - max. 78 mm
ra - max. 1 mm
rb - max. 0.3 mm
Basic dynamic load rating - C 14.6 kN
Basic static load rating - C0 10.2 kN
Fatigue load limit - Pu 0.43 kN
Limiting speed for grease lubrication 25000 r/min
Ball - Dw 7.938 mm
Ball - z 21
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 133 N
Preload class B - GB 400 N
Preload class C - GC 800 N
Calculation factor - f 1.16
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 116 N/micron
Preload class B 178 N/micron
Preload class C 233 N/micron
r1,2 min. 1 mm
r3,4 min. 0.3 mm
da min. 59.6 mm
da max. 62.2 mm
db min. 57 mm
db max. 60.1 mm
Da max. 75.4 mm
Db max. 78 mm
ra max. 1 mm
rb max. 0.3 mm
Basic dynamic load rating C 14.6 kN
Basic static load rating C0 10.2 kN
Fatigue load limit Pu 0.43 kN
Attainable speed for grease lubrication 25000 r/min
Ball diameter Dw 7.938 mm
Number of balls z 21
Preload class A GA 133 N
Static axial stiffness, preload class A 116 N/µm
Preload class B GB 400 N
Static axial stiffness, preload class B 178 N/µm
Preload class C GC 800 N
Static axial stiffness, preload class C 233 N/µm
Calculation factor f 1.16
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 0.15 kg

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