BNTF3681171/BH1 Backing Bearings

Backing Bearings BNTF3681171/BH1 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) 2020 kN
  • Static Load Rating (Cor) 3700 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. BNTF3681171/BH1
Design No. 8.3
Weight 130
Boundary Dimensions d 180
D 406.42
B 171
C 171
H 113.2
d1
D1
E 293.4
F 217.4
rmin 1
K 8
N*
Basic Load Rating Bearings - Cr 2020
Bearings - Cor 3700
roller - Cr 1330
roller - Cor 2470
Radial max - Cr 920
Radial max - Cor 1310

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