Bearing 71903 CE/P4A

Bearing 71903 CE/P4A images Bearing 71903 CE/P4A images
From: Angular Contact Ball Bearings
Angular Contact Ball Bearings Bearing 71903 CE/P4A Related parameters
Name Value
Bearing number 71903 CE/P4A
Size (mm) 17x30x7
Brand MBY
Bore Diameter (mm) 17
Outer Diameter (mm) 30
Width (mm) 7
Bearing dimensions and specification
Name Value
d 17 mm
D 30 mm
B 7 mm
d1 21.1 mm
d2 20.1 mm
D1 25.9 mm
r1,2 min. - 0.3 mm
r3,4 min. - 0.15 mm
a 7 mm
da min. - 19 mm
db min. - 19 mm
Da max. - 28 mm
Db max. - 29.2 mm
ra max. - 0.3 mm
rb max. - 0.15 mm
dn 22 mm
Basic dynamic load rating C - 3.3 kN
Basic static load rating C0 - 1.6 kN
Fatigue load limit Pu - 0.067 kN
Limiting speed for grease lubrication 70000 r/min
Limiting speed for oil lubrication 106000 mm/min
Ball Dw - 3.969 mm
Ball z - 13
Gref 0.2 cm3
Calculation factor f0 - 7.9
Preload class A GA - 18 N
Preload class B GB - 54 N
Preload class C GC - 108 N
Calculation factor f - 1.05
Calculation factor f1 - 1
Calculation factor f2A - 1
Calculation factor f2B - 1.04
Calculation factor f2C - 1.08
Calculation factor fHC - 1
Preload class A 14 N/micron
Preload class B 23 N/micron
Preload class C 31 N/micron
Mass bearing 0.016 kg

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