NSK 30256 Bearings

Model No : 30256
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NSK 30256 Bearing | Tapered roller bearings 30256

Bearing 30256

Bearing number : 30256

Size (mm) : 280x500x89

Brand : NSK

Bore Diameter (mm) : 280

Outer Diameter (mm) : 500

Width (mm) : 89

Bearing dimensions and specification in NSK catalogue:

d - 280 mm

D - 500 mm

T - 89 mm

B - 80 mm

C - 67 mm

a - 98,5 mm

r min. - 6 mm

r1 min. - 5 mm

da min. - 313 mm

Da min - 436 mm

Da max. - 478 mm

db max. - 339 mm

Db min. - 462 mm

ra max. - 5 mm

rb max. - 4 mm

Weight - 66,3 Kg

Basic dynamic load rating (C) - 1240 kN

Basic static load rating (C0) - 1900 kN

(Grease) Lubrication Speed - 630 r/min

(Oil) Lubrication Speed - 850 r/min

Calculation factor (e) - 0,44

Calculation factor (Y0) - 0,74

Calculation factor (Y1) - 1,4

Tags :  NSK , 280x500x89

Tapered roller bearings 30256 NSK 30256 Professional Supplier Information

We are a manufacturer and supplier specializing in research, development and production of Tapered roller bearings 30256 NSK 30256 bearings.

The company's core bearings are Tapered roller bearings 30256 NSK 30256, 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 Tapered roller bearings 30256 NSK 30256 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 Tapered roller bearings 30256 NSK 30256 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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