High Cycle Durability Bearing Springs Fatigue Resistant Diaphragm Spring Pressure Plate
High Cycle Durability Bearing Springs Fatigue Resistant Diaphragm Spring Pressure Plate
Basic Properties
Place of Origin:
Sihong, China
Brand Name:
Sunzo
Certification:
CE/IATF16949/45001/14001/9001
Trading Properties
Minimum Order Quantity:
Negotiable
Price:
Negotiable
Payment Terms:
Negotiable
Product Summary
Bearing disc springs with ultra-high cycle durability (10⁷+ cycles) for high-speed continuous operation up to 25,000 RPM. Premium alloy steel construction with ISO 10243 certification ensures >95% preload retention and stable performance in extreme conditions.
Product Custom Attributes
Highlight
high Cycle Bearing Springs
,1800MPa Bearing Springs
,Fatigue Resistant diaphragm spring pressure plate
Material Composition:
50CrVA (1.05%C-0.8%V-0.25%Mo), 60Si2MnA (0.6%C-2.0%Si-1.0%Mn)
Hardness:
HRC 45-50
Tensile Strength:
1800MPa
Elastic Limit:
≥1200MPa
Fatigue Life:
>10⁷ Cycles At 40% Load
Preload Retention:
>95% After 10⁶ Cycles
Load Variance:
±3%
Load Multiplication:
2.5-5.2x
Max RPM:
25,000 RPM
Operation Frequency:
Up To 500Hz
Wall Thickness:
±0.005mm
Fillet Radius:
R0.3-R0.8mm
Quenching Temp:
860°C (50CrVA), 870°C (60Si2MnA)
Tempering Temp:
420°C (50CrVA), 480°C (60Si2MnA)
Stack Configuration:
2-8 Discs
Continuous Operation:
20,000 Hours
Stress Concentration:
Eliminated
Uniform Load:
Yes
High-Speed Operation:
Yes
Extreme Conditions:
Yes
Product Description
Detailed Specifications & Features
Bearing Disc Spring Fatigue Resistance
Our Bearing Preload Disc Spring (grooved/grooveless series) exhibits exceptional fatigue resistance, engineered to excel in high-speed continuous bearing operation across precision machinery, automotive powertrains, and industrial spindles.
Ultra-High Cycle Durability
Engineered for high-speed continuous bearing operation in extreme conditions, these disc springs deliver reliable performance in demanding applications.
Optimized Geometric Design
- Annular geometry with stress-relieved fillets (R0.3-R0.8mm)
- Uniform wall thickness (±0.005mm) eliminates stress concentration points
- Designed for high-frequency preload cycling up to 500Hz
Premium Material Construction
| Material | Composition | Heat Treatment | Properties |
|---|---|---|---|
| 50CrVA | 1.05%C-0.8%V-0.25%Mo | Quenched at 860°C, tempered at 420°C | HRC 45-50 hardness, 1800MPa tensile strength |
| 60Si2MnA | 0.6%C-2.0%Si-1.0%Mn | Quenched at 870°C, tempered at 480°C | Superior elastic limit (≥1200MPa) |
Performance Specifications
Fatigue Life: Exceeds 10⁷ cycles at 40% of ultimate load
Preload Force Retention: >95% after 10⁶ compression-rebound cycles (per ISO 10243 standards)
Load Distribution: ±3% variance in parallel stacked configurations (2-8 discs)
Load Multiplication: 2.5-5.2x at equivalent displacement
Preload Force Retention: >95% after 10⁶ compression-rebound cycles (per ISO 10243 standards)
Load Distribution: ±3% variance in parallel stacked configurations (2-8 discs)
Load Multiplication: 2.5-5.2x at equivalent displacement
Application Range
Ensures stable preload for high-speed bearings operating at up to 25,000 RPM, including:
- Automotive transmission bearings
- CNC spindle angular contact bearings
- Industrial robot joint bearings
- Automotive engine timing systems
- Precision grinding machines
Field Validation
No measurable deformation or performance degradation after 20,000 hours of continuous operation in demanding industrial applications.
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