SKF S7209 CD/P4A Bearing Specifications

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Bearing S7209 CD/P4ABearing S7209 CD/P4A

Bearing number : S7209 CD/P4A

Size (mm) : 45x85x19

Brand : SKF

Bore Diameter (mm) : 45

Outer Diameter (mm) : 85

Width (mm) : 19

Bearing dimensions and specification in SKF catalogue:

d - 45 mm

D - 85 mm

B - 19 mm

d1 - 57.3 mm

d2 - 57.3 mm

D2 - 75.7 mm

r1,2 - min. - 1.1 mm

r3,4 - min. - 0.6 mm

a - 18.3 mm

da - min. - 52 mm

da - max. - 56.5 mm

db - min. - 52 mm

db - max. - 56.5 mm

Da - max. - 78 mm

Db - max. - 80.8 mm

ra - max. - 1 mm

rb - max. - 0.6 mm

Basic dynamic load rating - C - 42.3 kN

Basic static load rating - C0 - 31 kN

Fatigue load limit - Pu - 1.3 kN

Limiting speed for grease lubrication - 17000 r/min

Ball - Dw - 12.7 mm

Ball - z - 14

Calculation factor - f0 - 14.2

Preload class A - GA - 160 N

Preload class B - GB - 320 N

Preload class C - GC - 640 N

Preload class D - GD - 1280 N

Calculation factor - f - 1.07

Calculation factor - f1 - 1

Calculation factor - f2A - 1

Calculation factor - f2B - 1.01

Calculation factor - f2C - 1.03

Calculation factor - f2D - 1.05

Calculation factor - fHC - 1

Preload class A - 61 N/micron

Preload class B - 82 N/micron

Preload class C - 115 N/micron

Preload class D - 166 N/micron

Mass bearing - 0.418 kg

Tags :  SKF , 45x85x19