NTN RA3 Bearings

Model No : RA3
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Ships to : Worldwide
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As an experienced bearing manufacturer, you will be able to buy Needle roller bearings NTN RA3 at our lowest price, comprehensive quality service and sufficient supply. Please don't hesitate to contact us.

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NTN RA3 Bearing | Deep groove ball bearings RA3

Bearing RA3

Bearing number : RA3

Size (mm) : 4.762x12.7x4.978

Brand : NTN

Bore Diameter (mm) : 4,762

Outer Diameter (mm) : 12,7

Width (mm) : 4,978

Bearing dimensions and specification in NTN catalogue:

d - 4,762 mm

D - 12,7 mm

B - 4,978 mm

C - 4,978 mm

r min. - 0,3 mm

da min. - 6 mm

da max - 6,4 mm

Da max. - 11 mm

ra max. - 0,3 mm

Weight - 2,4 Kg

Basic dynamic load rating (C) - 1,31 kN

Basic static load rating (C0) - 0,49 kN

(Grease) Lubrication Speed - 41000 r/min

(Oil) Lubrication Speed - 48000 r/min

Calculation factor (f0) - 12,4

Tags :  NTN , 4.762x12.7x4.978

Deep groove ball bearings RA3 NTN RA3 Professional Supplier Information

We are a manufacturer and supplier specializing in research, development and production of Deep groove ball bearings RA3 NTN RA3 bearings.

The company's core bearings are Deep groove ball bearings RA3 NTN RA3, 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 Deep groove ball bearings RA3 NTN RA3 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 Deep groove ball bearings RA3 NTN RA3 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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