Backing Bearings BNTB2660172 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) 1570 kN
- Static Load Rating (Cor) 2910 kN
-
- Weight 72.5 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. | BNTB2660172 | |
|---|---|---|
| Design No. | 8 | |
| Weight | 72.5 | |
| 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 | 1570 |
| Bearings - Cor | 2910 | |
| roller - Cr | 1070 | |
| roller - Cor | 1880 | |
| Radial max - Cr | 790 | |
| Radial max - Cor | 1120 | |
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