SKF 7228 ACD/HCP4A Bearings

Model No : 7228 ACD/HCP4A
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SKF 7228 ACD/HCP4A Bearing | Angular contact ball bearings

Bearing 7228 ACD/HCP4ABearing 7228 ACD/HCP4A

Bearing number : 7228 ACD/HCP4A

Size (mm) : 140x250x42

Brand : SKF

Bore Diameter (mm) : 140

Outer Diameter (mm) : 250

Width (mm) : 42

Bearing dimensions and specification in SKF catalogue:

d - 140 mm

D - 250 mm

B - 42 mm

d1 - 176.8 mm

d2 - 176.8 mm

D1 - 213.2 mm

r1,2 - min. - 3 mm

r3,4 - min. - 1.5 mm

a - 66.7 mm

da - min. - 154 mm

db - min. - 154 mm

Da - max. - 236 mm

Db - max. - 241 mm

ra - max. - 2.5 mm

rb - max. - 1.5 mm

dn - 184.8 mm

Basic dynamic load rating - C - 212 kN

Basic static load rating - C0 - 228 kN

Fatigue load limit - Pu - 7 kN

Limiting speed for grease lubrication - 6000 r/min

Limiting speed for oil lubrication - 9000 mm/min

Ball - Dw - 30.162 mm

Ball - z - 18

Gref - 83.931 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 - 1350 N

Preload class B - GB - 2700 N

Preload class C - GC - 5400 N

Preload class D - GD - 10800 N

Calculation factor - f - 1.09

Calculation factor - f1 - 0.99

Calculation factor - f2A - 1

Calculation factor - f2B - 1.01

Calculation factor - f2C - 1.03

Calculation factor - f2D - 1.06

Calculation factor - fHC - 1.01

Preload class A - 441 N/micron

Preload class B - 573 N/micron

Preload class C - 754 N/micron

Preload class D - 1011 N/micron

Mass bearing - 6.923 kg

Tags :  SKF , 140x250x42

Angular contact ball bearings SKF 7228 ACD/HCP4A Professional Supplier Information

We are a manufacturer and supplier specializing in research, development and production of Angular contact ball bearings SKF 7228 ACD/HCP4A bearings.

The company's core bearings are Angular contact ball bearings SKF 7228 ACD/HCP4A, and deep groove ball bearings, self-aligning ball bearings, self-aligning roller bearings, wheel bearings, linear bearings, bearing blocks, ceramic bearings, plastic bearings and other bearings, cylindrical roller bearings , Angular contact ball bearings, tapered roller bearings, thrust ball bearings, thrust roller bearings and needle roller bearings and other spherical plain bearings and other fine bearings.

Our Angular contact ball bearings SKF 7228 ACD/HCP4A bearings and other bearings are 100% compliant with the international quality standard ISO 9001 and are highly appreciated in various markets around the world.

How does Angular contact ball bearings SKF 7228 ACD/HCP4A work for you for a long time?

  • The installation is correct, affect the accuracy, life, performance. After installation, fill the bearing with lubricant.
  • Do not let hammer, transfer roller pressure and other strong impact
  • Use precise installation tools to avoid the use of fabrics and staple fibers
  • Lubricate the bearings to avoid rusting of high quality mineral oils, especially in summer
  • General inspection, such as ambient temperature, vibration, noise check
  • Keep the bearings clean from dust, contaminants, and moisture.
  • Bearings can not be ultra-cold.

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