High Cycle Durability Bearing Springs Fatigue Resistant Diaphragm Spring Pressure Plate
Product Details
| 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 |
| Highlight |
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Product Description
- 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
| 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) |
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
- Automotive transmission bearings
- CNC spindle angular contact bearings
- Industrial robot joint bearings
- Automotive engine timing systems
- Precision grinding machines
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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.
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