BNTPA3681171 Backing Bearings

Backing Bearings BNTPA3681171 Basic Parameters

Dimensions
  • Bore Diameter(d) 180 mm
  • Outer Diameter (D) 406.42 mm
  • Width(B) 171 mm
Basic Load Rating
  • Dynamic Load Rating (Cr) 1760 kN
  • Static Load Rating (Cor) 3270 kN
  • Weight 130 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. BNTPA3681171
Design No. 10
Weight 130
Boundary Dimensions d 180
D 406.42
B 171
C 170
H 113.2
d1 240
D1
E 293.3
F 217.3
rmin 1
K 8
N*
Basic Load Rating Bearings - Cr 1760
Bearings - Cor 3270
roller - Cr 1250
roller - Cor 2230
Radial max - Cr 1070
Radial max - Cor 1530

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