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SKF 71944CD/P4A bearing

Bearing 71944 CD/P4A Bearing 71944 CD/P4A

SKF 71944CD/P4A, Size: 220x300x38. SKF 71944CD/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 71944 CD/P4A

Bearing number : 71944 CD/P4A

Size (mm) : 220x300x38

Brand : SKF

Bore Diameter (mm) : 220

Outer Diameter (mm) : 300

Width (mm) : 38

Bearing dimensions and specification in SKF catalogue:

d - 220 mm

D - 300 mm

B - 38 mm

d1 - 244.7 mm

d2 - 244.7 mm

D1 - 275.3 mm

r1,2 - min. - 2.1 mm

r3,4 - min. - 1 mm

a - 54 mm

da - min. - 231 mm

db - min. - 231 mm

Da - max. - 289 mm

Db - max. - 295 mm

ra - max. - 2 mm

rb - max. - 1 mm

dn - 251.4 mm

Basic dynamic load rating - C - 221 kN

Basic static load rating - C0 - 300 kN

Fatigue load limit - Pu - 7.8 kN

Limiting speed for grease lubrication - 4300 r/min

Limiting speed for oil lubrication - 6300 mm/min

Ball - Dw - 25.4 mm

Ball - z - 29

Gref - 84 cm3

Calculation factor - f0 - 16.5

Preload class A - GA - 850 N

Preload class B - GB - 1700 N

Preload class C - GC - 3400 N

Preload class D - GD - 6800 N

Calculation factor - f - 1.28

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 - 224 N/micron

Preload class B - 306 N/micron

Preload class C - 434 N/micron

Preload class D - 635 N/micron

Mass bearing - 6.6 kg

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