NNCF2452125 Backing Bearings

Backing Bearings NNCF2452125 Basic Parameters

Dimensions
  • Bore Diameter(d) 120 mm
  • Outer Diameter (D) 260 mm
  • Width(B) 125 mm
Basic Load Rating
  • Dynamic Load Rating (Cr) 1030 kN
  • Static Load Rating (Cor) 1780 kN
  • Weight 40 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. NNCF2452125
Design No. 6
Weight 40
Boundary Dimensions d 120
D 260
B 125
C 125
H 70
d1
D1
E 193
F 141
rmin 1
K 6
N* 6
Basic Load Rating Bearings - Cr 1030
Bearings - Cor 1780
roller - Cr 700
roller - Cor 1250
Radial max - Cr 420
Radial max - Cor 900

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