BNUP204596 Backing Bearings

Backing Bearings BNUP204596 Basic Parameters

Dimensions
  • Bore Diameter(d) 100 mm
  • Outer Diameter (D) 225 mm
  • Width(B) 96 mm
Basic Load Rating
  • Dynamic Load Rating (Cr) 543 kN
  • Static Load Rating (Cor) 830 kN
  • Weight 22.5 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. BNUP204596
Design No. 2
Weight 22.5
Boundary Dimensions d 100
D 225
B 96
C 95.2
H 62.5
d1 124
D1 183
E 163.5
F 119.5
rmin 2
K 6
N* 6
Basic Load Rating Bearings - Cr 543
Bearings - Cor 830
roller - Cr 413
roller - Cor 525
Radial max - Cr 350
Radial max - Cor 500

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