BNPBF2252110 Backing Bearings

Backing Bearings BNPBF2252110 Basic Parameters

Dimensions
  • Bore Diameter(d) 110 mm
  • Outer Diameter (D) 260 mm
  • Width(B) 110 mm
Basic Load Rating
  • Dynamic Load Rating (Cr) 849 kN
  • Static Load Rating (Cor) 1370 kN
  • Weight 35 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. BNPBF2252110
Design No. 5
Weight 35
Boundary Dimensions d 110
D 260
B 110
C 110
H 75
d1 129
D1 210
E 184.2
F 132.2
rmin 1
K 6
N* 6
Basic Load Rating Bearings - Cr 849
Bearings - Cor 1370
roller - Cr 627
roller - Cor 990
Radial max - Cr 470
Radial max - Cor 670

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