Angular contact ball bearings, super-precision 71908 CE/P4AH1
Bearing number : 71908 CE/P4AH1
Size (mm) : 40x62x12
Brand : SKF
Bore Diameter (mm) : 40
Outer Diameter (mm) : 62
Width (mm) : 12
Bearing dimensions and specification in SKF catalogue:
d - 40 mm
D - 62 mm
B - 12 mm
d1 - 46.5 mm
d2 - 44.8 mm
D1 - 54.15 mm
K - 0.5 mm
C1 - 3.75 mm
r1,2 - min. - 0.6 mm
r3,4 - min. - 0.3 mm
a - 13.2 mm
da - min. - 43.2 mm
db - min. - 42 mm
Da - max. - 58.8 mm
Db - max. - 60 mm
ra - max. - 0.6 mm
rb - max. - 0.3 mm
dn - 48 mm
Basic dynamic load rating - C - 9.8 kN
Basic static load rating - C0 - 6.1 kN
Fatigue load limit - Pu - 0.26 kN
Limiting speed for grease lubrication - 32000 r/min
Limiting speed for oil lubrication - 49000 mm/min
Ball - Dw - 6.35 mm
Ball - z - 19
Gref - 1.4 cm3
Calculation factor - f0 - 8.3
Preload class A - GA - 52 N
Preload class B - GB - 157 N
Preload class C - GC - 315 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 - 32 N/micron
Preload class B - 49 N/micron
Preload class C - 67 N/micron
Mass bearing - 0.1 kg
Skf 71908ce/p4ah1 High Super Precision Angular Contact .
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