Backing Bearings BNTB2452125 Basic Parameters

- Dimensions
-
- Bore Diameter(d) 120 mm
- Outer Diameter (D) 260 mm
- Width(B) 125 mm
- Basic Load Rating
-
- Dynamic Load Rating (Cr) 992 kN
- Static Load Rating (Cor) 1695 kN
-
- Weight 40 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. | BNTB2452125 | |
---|---|---|
Design No. | 8 | |
Weight | 40 | |
Boundary Dimensions | d | 120 |
D | 260 | |
B | 125 | |
C | 125 | |
H | 70 | |
d1 | ||
D1 | ||
E | 193 | |
F | 141 | |
rmin | 1 | |
K | 6 | |
N* | ||
Basic Load Rating | Bearings - Cr | 992 |
Bearings - Cor | 1695 | |
roller - Cr | 680 | |
roller - Cor | 1200 | |
Radial max - Cr | 410 | |
Radial max - Cor | 850 |
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