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SKF 71938CD/P4A bearing

Bearing 71938 CD/P4A Bearing 71938 CD/P4A

SKF 71938CD/P4A, Size: 190x260x33. SKF 71938CD/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 71938 CD/P4A

Bearing number : 71938 CD/P4A

Size (mm) : 190x260x33

Brand : SKF

Bore Diameter (mm) : 190

Outer Diameter (mm) : 260

Width (mm) : 33

Bearing dimensions and specification in SKF catalogue:

d - 190 mm

D - 260 mm

B - 33 mm

d1 - 211.6 mm

d2 - 211.6 mm

D1 - 238.4 mm

r1,2 - min. - 2 mm

r3,4 - min. - 1 mm

a - 46.8 mm

da - min. - 199 mm

db - min. - 199 mm

Da - max. - 251 mm

Db - max. - 255 mm

ra - max. - 2 mm

rb - max. - 1 mm

dn - 217.4 mm

Basic dynamic load rating - C - 172 kN

Basic static load rating - C0 - 220 kN

Fatigue load limit - Pu - 6.2 kN

Limiting speed for grease lubrication - 5000 r/min

Limiting speed for oil lubrication - 7500 mm/min

Ball - Dw - 22.225 mm

Ball - z - 28

Gref - 57 cm3

Calculation factor - f0 - 16.4

Preload class A - GA - 640 N

Preload class B - GB - 1280 N

Preload class C - GC - 2560 N

Preload class D - GD - 5120 N

Calculation factor - f - 1.27

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 - 189 N/micron

Preload class B - 260 N/micron

Preload class C - 367 N/micron

Preload class D - 538 N/micron

Mass bearing - 4.35 kg

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