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SKF 71920CD/P4A bearing

Bearing 71920 CD/P4A Bearing 71920 CD/P4A

SKF 71920CD/P4A, Size: 100x140x20. SKF 71920CD/P4A are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.

Angular contact ball bearings, super-precision 71920 CD/P4A

Bearing number : 71920 CD/P4A

Size (mm) : 100x140x20

Brand : SKF

Bore Diameter (mm) : 100

Outer Diameter (mm) : 140

Width (mm) : 20

Bearing dimensions and specification in SKF catalogue:

d - 100 mm

D - 140 mm

B - 20 mm

d1 - 112.3 mm

d2 - 112.3 mm

D1 - 127.7 mm

r1,2 - min. - 1.1 mm

r3,4 - min. - 0.6 mm

a - 26.1 mm

da - min. - 106 mm

db - min. - 106 mm

Da - max. - 134 mm

Db - max. - 136 mm

ra - max. - 1 mm

rb - max. - 0.6 mm

dn - 115.6 mm

Basic dynamic load rating - C - 60.5 kN

Basic static load rating - C0 - 65.5 kN

Fatigue load limit - Pu - 2.6 kN

Limiting speed for grease lubrication - 8500 r/min

Limiting speed for oil lubrication - 14000 mm/min

Ball - Dw - 12.7 mm

Ball - z - 26

Gref - 10.5 cm3

Calculation factor - f0 - 16.3

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 - 1.23

Calculation factor - f1 - 1

Calculation factor - f2A - 1

Calculation factor - f2B - 1.04

Calculation factor - f2C - 1.09

Calculation factor - f2D - 1.15

Calculation factor - fHC - 1

Preload class A - 107 N/micron

Preload class B - 147 N/micron

Preload class C - 209 N/micron

Preload class D - 306 N/micron

Mass bearing - 0.8 kg

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