BNUP4092241 Backing Bearings

Backing Bearings BNUP4092241 Basic Parameters

Dimensions
  • Bore Diameter(d) 200 mm
  • Outer Diameter (D) 460 mm
  • Width(B) 241 mm
Basic Load Rating
  • Dynamic Load Rating (Cr) 2660 kN
  • Static Load Rating (Cor) 5250 kN
  • Weight 239 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. BNUP4092241
Design No. 2
Weight 239
Boundary Dimensions d 200
D 460
B 241
C 240
H 130
d1 249
D1 373
E 321.7
F 241.7
rmin 4
K 6
N* 10
Basic Load Rating Bearings - Cr 2660
Bearings - Cor 5250
roller - Cr 2010
roller - Cor 3890
Radial max - Cr 1790
Radial max - Cor 2540

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