NNCF2045130 Backing Bearings

Backing Bearings NNCF2045130 Basic Parameters

Dimensions
  • Bore Diameter(d) 100 mm
  • Outer Diameter (D) 225 mm
  • Width(B) 130 mm
Basic Load Rating
  • Dynamic Load Rating (Cr) 750 kN
  • Static Load Rating (Cor) 1440 kN
  • Weight 32 kg

Pricing Information

Bearing prices vary based on precision grade, raw materials, and market factors. For customized quotes, please submit an inquiry.

Technical Specifications

Bearing No. NNCF2045130
Design No. 8
Weight 32
Boundary Dimensions d 100
D 225
B 130
C 130
H 62.5
d1
D1
E 156
F 120
rmin 1
K 6
N*
Basic Load Rating Bearings - Cr 750
Bearings - Cor 1440
roller - Cr 540
roller - Cor 1000
Radial max - Cr 600
Radial max - Cor 850

Superior Material & Durability

Manufactured from premium G20Cr2Ni4A carburized steel with advanced heat treatment:

  • Carburized layer depth ≥2.0mm
  • Surface hardness HRC60-64
  • Core toughness HRC30-40
  • 40% longer service life

P4-Grade Precision Engineering

Meets ISO P4/ABEC 9 standards:

  • Dimensional tolerance ±2μm
  • Roundness error ≤0.5μm
  • Cylindricity error ≤1μm
  • Surface roughness Ra≤0.025μm
  • 30% reduced friction

Rigorous Quality Control

  • ISO 9001 certified manufacturing
  • Full dimensional inspection reports
  • Hardness gradient testing
  • Dynamic performance evaluation
  • 100% factory inspection

Typical Applications

Metal Processing & Steel Industry

  • Hot/cold rolling mill support bearings
  • Ladle turret bearings
  • Coiler/straightener machine bearings

Mining Equipment

  • Crusher bearings
  • Ball mill bearings
  • Mining drill bearings

Construction Machinery

  • Excavator slewing bearings
  • Crane bearings
  • Port machinery bearings

Power Generation

  • Industrial turbine bearings
  • Wind turbine gearbox bearings
  • Hydroelectric generator bearings