BNUPA2660160 Backing Bearings

Backing Bearings BNUPA2660160 Basic Parameters

Dimensions
  • Bore Diameter(d) 130 mm
  • Outer Diameter (D) 300.02 mm
  • Width(B) 160 mm
Basic Load Rating
  • Dynamic Load Rating (Cr) 1250 kN
  • Static Load Rating (Cor) 2170 kN
  • Weight 64.5 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. BNUPA2660160
Design No. 3
Weight 64.5
Boundary Dimensions d 130
D 300.02
B 160
C 159.5
H 85.01
d1 174
D1 213
E 222.5
F 162.5
rmin 1
K 6
N* 6
Basic Load Rating Bearings - Cr 1250
Bearings - Cor 2170
roller - Cr 870
roller - Cor 1430
Radial max - Cr 610
Radial max - Cor 870

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