Impact Resistant Alloy Steel Bearing Housing Castings
Impact-Resistant Alloy Steel Bearing Housing Castings
Product Overview
Specialized in manufacturing impact-resistant bearing housings for mining and heavy equipment applications, featuring optimized alloy design and structural durability under shock loads.
Material Grades (Global Standards)
|
China GB |
ASTM |
EN |
Characteristics |
Impact Energy |
Applications |
|
ZG35CrMnSi |
A148 80-50 |
1.6230 |
High toughness |
≥40J@-20℃ |
Crusher housings |
|
ZG40CrNiMo |
A487 Gr.7 |
1.6747 |
Ultra-tough |
≥60J@-40℃ |
Wind turbine housings |
|
ZG30CrMnNiMo |
- |
1.6980 |
Fatigue-resistant |
≥50J@RT |
Rolling mill stands |
|
ZG25CrMoV |
A217 WC6 |
1.7335 |
Thermal shock resistant |
≥35J@300℃ |
High-temp equipment |
Key Features
Impact-Resistant Design
Rib-reinforced structure (+30% stiffness)
Optimized fillets (stress concentration≤1.8)
Controlled wall thickness (±2mm)
Material Advantages
Crack growth rate≤10⁻⁸m/cycle
Dynamic load capacity≥2x static rating
Low-temperature toughness guaranteed
Precision Machining
Boring accuracy H7 grade
Mounting surface flatness≤0.05mm/m
Critical surface finish Ra3.2μm
Technical Parameters
Bore diameter: Φ50-Φ1500mm
Load capacity: Static≤5000kN, Dynamic≤2500kN
Temperature range: -40℃~300℃
Vibration damping coefficient: ≥0.15
Applications
✓ Mineral crusher main bearings
✓ Wind turbine main shafts
✓ Steel mill rolling stands
✓ Marine propeller bearings
✓ Construction machinery slewing rings
Quality Control
Material Tests:
✓ OES chemical analysis
✓ Fracture toughness testing
NDT:
✓ UT (EN 12680-3 Class 2)
✓ PT (ASTM E165)
Performance Tests:
✓ Dynamic fatigue test (10⁶ cycles)
✓ 3D scanning vs CAD model
Value-Added Services
▸ Load spectrum analysis
▸ FEA stress simulation report
▸ On-site installation guidance
▸ Vibration monitoring solutions
Certifications
✓ ISO 9001:2015
✓ ABS/DNV-GL Marine
✓ CE Marking (PED)
✓ Custom material certifications
Note:
Reverse engineering with 3D scanning
Emergency repair services
Anti-corrosion coating options
Global logistics support
FAQ
Q: Are you certified by any national authorities?
Q: Are you a member of any industry associations?
Q: Have you received any honors or recognitions?
Q: Do your products comply with international standards?
Q: Can you provide third-party inspection reports?
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