SKF S71911 CB/P4A Bearing Specifications

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Bearing S71911 CB/P4ABearing S71911 CB/P4A

Bearing number : S71911 CB/P4A

Size (mm) : 55x80x13

Brand : SKF

Bore Diameter (mm) : 55

Outer Diameter (mm) : 80

Width (mm) : 13

Bearing dimensions and specification in SKF catalogue:

d - 55 mm

D - 80 mm

B - 13 mm

d1 - 63.94 mm

d2 - 62.7 mm

D2 - 73.2 mm

r1,2 - min. - 1 mm

r3,4 - min. - 0.3 mm

a - 18.8 mm

da - min. - 59.6 mm

da - max. - 63.3 mm

db - min. - 59.6 mm

db - max. - 62.1 mm

Da - max. - 75.4 mm

Db - max. - 78 mm

ra - max. - 1 mm

rb - max. - 0.3 mm

Basic dynamic load rating - C - 10 kN

Basic static load rating - C0 - 8.2 kN

Fatigue load limit - Pu - 0.345 kN

Limiting speed for grease lubrication - 22000 r/min

Ball - Dw - 5.556 mm

Ball - z - 28

Calculation factor - f0 - 9.8

Preload class A - GA - 33 N

Preload class B - GB - 66 N

Preload class C - GC - 200 N

Calculation factor - f - 1.09

Calculation factor - f1 - 1

Calculation factor - f2A - 1

Calculation factor - f2B - 1.02

Calculation factor - f2C - 1.07

Calculation factor - fHC - 1

Preload class A - 34 N/micron

Preload class B - 45 N/micron

Preload class C - 73 N/micron

Mass bearing - 0.19 kg

Tags :  SKF , 55x80x13