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SKF S71921CD/P4A bearing Details:

Model: S71921CD/P4A Brand: SKF Bearing status: Original
Delivery time: 5-7 Days Inventory: Enough
Bearing S71921 CD/P4A Bearing S71921 CD/P4A

Angular contact ball bearings, super-precision S71921 CD/P4A

Bearing number : S71921 CD/P4A

Size (mm) : 105x145x20

Brand : SKF

Bore Diameter (mm) : 105

Outer Diameter (mm) : 145

Width (mm) : 20

Bearing dimensions and specification in SKF catalogue:

d - 105 mm

D - 145 mm

B - 20 mm

d1 - 117.3 mm

d2 - 117.3 mm

D2 - 135.65 mm

r1,2 - min. - 1.1 mm

r3,4 - min. - 0.6 mm

a - 26.8 mm

da - min. - 111 mm

da - max. - 116.7 mm

db - min. - 111 mm

db - max. - 116.7 mm

Da - max. - 139 mm

Db - max. - 141 mm

ra - max. - 1 mm

rb - max. - 0.6 mm

Basic dynamic load rating - C - 61.8 kN

Basic static load rating - C0 - 69.5 kN

Fatigue load limit - Pu - 2.6 kN

Limiting speed for grease lubrication - 8500 r/min

Ball - Dw - 12.7 mm

Ball - z - 27

Calculation factor - f0 - 16.4

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 - 1.25

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 - 110 N/micron

Preload class B - 151 N/micron

Preload class C - 215 N/micron

Preload class D - 316 N/micron

Mass bearing - 0.847 kg

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