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SKF 71940ACD/HCP4A bearing

Bearing 71940 ACD/HCP4A Bearing 71940 ACD/HCP4A

SKF 71940ACD/HCP4A, Size: 200x280x38. SKF 71940ACD/HCP4A 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 71940 ACD/HCP4A

Bearing number : 71940 ACD/HCP4A

Size (mm) : 200x280x38

Brand : SKF

Bore Diameter (mm) : 200

Outer Diameter (mm) : 280

Width (mm) : 38

Bearing dimensions and specification in SKF catalogue:

d - 200 mm

D - 280 mm

B - 38 mm

d1 - 224.7 mm

d2 - 224.7 mm

D1 - 255.3 mm

r1,2 - min. - 2.1 mm

r3,4 - min. - 1 mm

a - 75.2 mm

da - min. - 209 mm

db - min. - 209 mm

Da - max. - 271 mm

Db - max. - 275 mm

ra - max. - 2 mm

rb - max. - 1 mm

dn - 231.4 mm

Basic dynamic load rating - C - 199 kN

Basic static load rating - C0 - 250 kN

Fatigue load limit - Pu - 6.8 kN

Limiting speed for grease lubrication - 5000 r/min

Limiting speed for oil lubrication - 7500 mm/min

Ball - Dw - 25.4 mm

Ball - z - 26

Gref - 81 cm3

Calculation factor - e - 0.68

Calculation factor - Y2 - 0.87

Calculation factor - Y0 - 0.38

Calculation factor - X2 - 0.41

Calculation factor - Y1 - 0.92

Calculation factor - Y2 - 1.41

Calculation factor - Y0 - 0.76

Calculation factor - X2 - 0.67

Preload class A - GA - 1250 N

Preload class B - GB - 2500 N

Preload class C - GC - 5000 N

Preload class D - GD - 10000 N

Calculation factor - f - 1.23

Calculation factor - f1 - 0.98

Calculation factor - f2A - 1

Calculation factor - f2B - 1.07

Calculation factor - f2C - 1.12

Calculation factor - f2D - 1.17

Calculation factor - fHC - 1.04

Preload class A - 538 N/micron

Preload class B - 704 N/micron

Preload class C - 938 N/micron

Preload class D - 1274 N/micron

Mass bearing - 5.11 kg

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