BNTF2660172 Backing Bearings

Backing Bearings BNTF2660172 Basic Parameters

Dimensions
  • Bore Diameter(d) 130 mm
  • Outer Diameter (D) 300.02 mm
  • Width(B) 172.6 mm
Basic Load Rating
  • Dynamic Load Rating (Cr) 1670 kN
  • Static Load Rating (Cor) 3230 kN
  • Weight 71.5 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. BNTF2660172
Design No. 8.1
Weight 71.5
Boundary Dimensions d 130
D 300.02
B 172.6
C 172.6
H 85.01
d1
D1
E 218.4
F 159.4
rmin 2.7
K 6.5
N*
Basic Load Rating Bearings - Cr 1670
Bearings - Cor 3230
roller - Cr 1140
roller - Cor 2050
Radial max - Cr 820
Radial max - Cor 1160

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