NACHI 45290/45221 Bearings

Model No : 45290/45221
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NACHI 45290/45221 Bearing | Tapered roller bearings 45290/45221

Bearing 45290/45221

Bearing number : 45290/45221

Size (mm) : 104.775x57.150x30.162

Brand : NACHI

Bore Diameter (mm) : 104.775

Outer Diameter (mm) : 57.150

Width (mm) : 30.162

Bearing dimensions and specification in NACHI catalogue:

d - 57.150 mm

D - 104.775 mm

T - 30.162 mm

B - 30.958 mm

C - 23.812 mm

a - 8.0 mm

r1 min. - 2.3 mm

r2 min. - 0.8 mm

Weight - 1,115 Kg

Basic dynamic load rating (C) - 131000 kN

Basic static load rating (C0) - 171000 kN

(Grease) Lubrication Speed - 3500 r/min

(Oil) Lubrication Speed - 4700 r/min

Calculation factor (e) - 0.33

Calculation factor (Y0) - 0.99

Calculation factor (Y1) - 1.8

Tags :  NACHI , 104.775x57.150x30.162

Tapered roller bearings 45290/45221 NACHI 45290/45221 Professional Supplier Information

We are a manufacturer and supplier specializing in research, development and production of Tapered roller bearings 45290/45221 NACHI 45290/45221 bearings.

The company's core bearings are Tapered roller bearings 45290/45221 NACHI 45290/45221, 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 45290/45221 NACHI 45290/45221 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 45290/45221 NACHI 45290/45221 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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