SKF 71821 CD/P4 Bearing

Bearing 71821 CD/P4Bearing 71821 CD/P4

Bearing number : 71821 CD/P4

Size (mm) : 105x130x13

Brand : SKF

Bore Diameter (mm) : 105

Outer Diameter (mm) : 130

Width (mm) : 13

Bearing dimensions and specification in SKF catalogue:

d - 105 mm

D - 130 mm

B - 13 mm

d1 - 113.2 mm

d2 - 113.2 mm

D1 - 122 mm

r1,2 - min. - 1 mm

r3,4 - min. - 0.3 mm

a - 22.3 mm

da - min. - 109.6 mm

db - min. - 109.6 mm

Da - max. - 125.4 mm

Db - max. - 128 mm

ra - max. - 1 mm

rb - max. - 0.3 mm

dn - 114.6 mm

Basic dynamic load rating - C - 22.9 kN

Basic static load rating - C0 - 30 kN

Fatigue load limit - Pu - 1.2 kN

Limiting speed for grease lubrication - 9000 r/min

Limiting speed for oil lubrication - 14000 mm/min

Ball - Dw - 7.144 mm

Ball - z - 35

Gref - 4 cm3

Calculation factor - f0 - 17.4

Preload class A - GA - 130 N

Preload class B - GB - 390 N

Preload class C - GC - 780 N

Calculation factor - f - 1.44

Calculation factor - f1 - 1

Calculation factor - f2A - 1

Calculation factor - f2B - 1.09

Calculation factor - f2C - 1.16

Calculation factor - fHC - 1

Preload class A - 96 N/micron

Preload class B - 167 N/micron

Preload class C - 250 N/micron

Mass bearing - 0.32 kg

Tags :  SKF , 105x130x13

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