NNCF2246120 Backing Bearings

Backing Bearings NNCF2246120 Basic Parameters

Dimensions
  • Bore Diameter(d) 110 mm
  • Outer Diameter (D) 230 mm
  • Width(B) 120 mm
Basic Load Rating
  • Dynamic Load Rating (Cr) 857 kN
  • Static Load Rating (Cor) 1632 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. NNCF2246120
Design No. 6
Weight 32
Boundary Dimensions d 110
D 230
B 120
C 120
H 60
d1
D1
E 172
F 132
rmin 1
K 6
N* 6
Basic Load Rating Bearings - Cr 857
Bearings - Cor 1632
roller - Cr 605
roller - Cor 1150
Radial max - Cr 630
Radial max - Cor 890

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