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  • 71808 CD/P4

71808 CD/P4 Bearing | Loyal

71808 CD/P4 interchange SKF 71808 CD/P4
71808 CD/P4 cross reference SKF 71808 CD/P4
71808 CD/P4 Equivalent bearing interchange guide:
Price: enquiry
Model Number: 71808 CD/P4
a 9.7 mm
d 40 mm
D 52 mm
B 7 mm
C 7 mm
dh 44,5 mm
D2 – mm
d1 44,1 mm
d2 44,1 mm
D1 48,1 mm
Db max 51,2 mm
db min 42 mm
Weight 0,031 Kg
rb max. 0,15 mm
ra max. 0,3 mm
Da max. 50 mm
r3 min. 0,15 mm
da min. 42 mm
r4 min. 0,15 mm
r2 min. 0,3 mm
r1 min. 0,3 mm
Size (mm) 40x52x7
Width (mm) 7
Mass bearing 0.031 kg
d1 44.1 mm
dn 44.5 mm
d2 44.1 mm
D1 48.1 mm
Bearing number 71808 CD/P4
Number of balls z 29
Bore Diameter (mm) 40
da min. 42 mm
db min. 42 mm
Da max. 50 mm
Db max. 51.2 mm
ra max. 0.3 mm
rb max. 0.15 mm
Outer Diameter (mm) 52
Calculation factor f 1.23
r1,2 min. 0.3 mm
r3,4 min. 0.15 mm
Fatigue load limit (Pu) 0,208
(Oil) Lubrication Speed 38 000 r/min
(Grease) Lubrication Speed 26 000 r/min
Basic dynamic load rating C 4.88 kN
Ball diameter Dw 3.175 mm
Basic dynamic load rating (C) 4,88 kN
Basic static load rating (C0) 4,9 kN
Preload class A GA 26 N
Preload class B GB 78 N
Preload class C GC 155 N
Fatigue load limit Pu 0.208 kN
Calculation factor f0 17.2
Calculation factor f1 1
Calculation factor f2A 1
Calculation factor fHC 1
Calculation factor f2C 1.16
Calculation factor f2B 1.09
Basic static load rating C0 4.9 kN
Static axial stiffness, preload class B 61 N/µm
Static axial stiffness, preload class C 90 N/µm
Static axial stiffness, preload class A 36 N/µm
Attainable speed for grease lubrication 26000 r/min
Attainable speed for oil-air lubrication 38000 r/min
Reference grease quantity Gref 0.31 cm³


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