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Bearing Disc Spring with Ultra-High Cycle Durability for High-Speed Continuous Bearing Operation and Fatigue Resistance

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Bearing Disc Spring with Ultra-High Cycle Durability for High-Speed Continuous Bearing Operation and Fatigue Resistance

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Material : 50CrVA, 60Si2MnA

Carbon content : 1.05% (50CrVA), 0.6% (60Si2MnA)

Vanadium content : 0.8% (50CrVA)

Molybdenum content : 0.25% (50CrVA)

Silicon content : 2.0% (60Si2MnA)

Manganese content : 1.0% (60Si2MnA)

Quenching temperature : 860°C (50CrVA), 870°C (60Si2MnA)

Tempering temperature : 420°C (50CrVA), 480°C (60Si2MnA)

Hardness : HRC 45-50 (50CrVA)

Tensile strength : 1800MPa (50CrVA)

Elastic limit : ≥1200MPa (60Si2MnA)

Fatigue life : >10⁷ cycles at 40% load

Preload retention : >95% after 10⁶ cycles

Load variance : ±3% in stacked configurations

Load multiplication : 2.5-5.2x at equivalent displacement

Max RPM : 25,000 RPM

Stress relief fillets : R0.3-R0.8mm

Wall thickness tolerance : ±0.005mm

Stacking range : 2-8 discs

Operating frequency : up to 500Hz

Place of Origin : Sihong, China

Brand Name : Sunzo

Certification : CE/IATF16949/45001/14001/9001

MOQ : Negotiable

Price : Negotiable

Packaging Details : Carton

Delivery Time : Negotiable

Payment Terms : Negotiable

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Bearing Disc Spring Fatigue Resistance - Ultra-High Cycle Durability for High-Speed Continuous Bearing Operation in Extreme Conditions
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.
Advanced Engineering Features
  • Optimized annular geometry with stress-relieved fillets (R0.3-R0.8mm)
  • Uniform wall thickness (±0.005mm) eliminates stress concentration points
  • High-frequency preload cycling capability (up to 500Hz)
Premium Material Construction
  • 50CrVA alloy steel (1.05%C-0.8%V-0.25%Mo)
  • 60Si2MnA alloy steel (0.6%C-2.0%Si-1.0%Mn)
Proprietary Heat Treatment
  • 50CrVA: 860°C quenching + 420°C tempering → HRC 45-50 hardness, 1800MPa tensile strength
  • 60Si2MnA: 870°C quenching + 480°C tempering → ≥1200MPa elastic limit
Performance Specifications
  • Fatigue life exceeds 10⁷ cycles at 40% of ultimate load
  • Preload force retention >95% after 10⁶ compression-rebound cycles (ISO 10243)
  • Uniform load distribution (±3% variance) in parallel stacked configurations
  • Load multiplication ratios: 2.5-5.2x at equivalent displacement
  • Stable preload for high-speed bearings up to 25,000 RPM
Field validation confirms no measurable deformation or performance degradation after 20,000 hours of continuous operation in automotive engine timing systems and precision grinding machines.
Bearing Disc Spring with Ultra-High Cycle Durability for High-Speed Continuous Bearing Operation and Fatigue Resistance

Product Tags:

high cycle bearing spring

      

high cycle bearing disc spring

      

50crva bearing spring

      
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