BNPF2045120/2RZ Backing Bearings

Backing Bearings BNPF2045120/2RZ Basic Parameters

Dimensions
  • Bore Diameter(d) 100 mm
  • Outer Diameter (D) 225 mm
  • Width(B) 120 mm
Basic Load Rating
  • Dynamic Load Rating (Cr) 795 kN
  • Static Load Rating (Cor) 1370 kN
  • Weight 28 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. BNPF2045120/2RZ
Design No. 1.1
Weight 28
Boundary Dimensions d 100
D 225
B 120
C 119
H 62.5
d1 124
D1 183
E 163.5
F 119.5
rmin 2
K 6
N* 6
Basic Load Rating Bearings - Cr 795
Bearings - Cor 1370
roller - Cr 580
roller - Cor 960
Radial max - Cr 390
Radial max - Cor 550

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