Specifications
Dimensional tolerance :
±0.05mm on outer diameter
ISO tolerance class :
ISO 492
Load distribution variance :
±2%
Force multiplication :
4-5x at equivalent displacement
High-speed application RPM :
up to 15,000 RPM
Static load capacity :
up to 800 kN
Radial groove count :
4-8
Material grade :
50CrVA, SUS304
Fatigue life :
exceeding 10⁷ cycles
Load distribution variance (regular) :
±8%
Annular geometry :
standardized
Force-displacement characteristics :
non-linear (bearing), linear (regular)
Series classification :
grooved/grooveless
Bearing interface :
inner/outer rings
Precision application :
machine tool spindles, automotive transmissions, aerospace actuators
Multi-plate configuration :
parallel
Load efficiency :
uniform distribution
Engineering variant :
bearing-specific
Performance metrics :
bearing-optimized
Design focus :
preload applications
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
Description
Bearing Disc Spring vs Regular Disc Spring Technical Comparison
Bearing Preload Disc Spring (grooved/grooveless) represents a specialized engineering variant of disc springs, engineered with three critical differentiators from general industrial disc springs: precision-matched design, bearing-specific performance metrics, and application-tailored series classification.
Design Comparison
  • Bearing Disc Spring: Standardized annular geometry with tight dimensional tolerances (±0.05mm on outer diameter) specifically engineered to interface with bearing inner/outer rings (ISO 492 tolerance class)
  • Regular Disc Spring: Non-uniform dimensions optimized for general load applications
Performance Comparison
  • Bearing Disc Spring: Multi-plate parallel configurations achieve uniform load distribution (±2% variance) and load multiplication efficiency (4-5x force output at equivalent displacement)
  • Regular Disc Spring: Unpredictable load distribution (±8% variance) and linear force-displacement characteristics unsuitable for bearing pre-tightening
Series Specialization
  • Bearing Disc Spring: Dedicated grooved series (with 4-8 radial stress-relief grooves) for high-speed precision applications (up to 15,000 RPM) and grooveless series for heavy-load scenarios (up to 800 kN static load)
  • Regular Disc Spring: Lacks application-specific engineering
Constructed from bearing-grade alloys (50CrVA, SUS304) with fatigue life exceeding 10⁷ cycles, Bearing Preload Disc Springs remain the only elastic components validated for high-precision bearing preload in critical applications including machine tool spindles, automotive transmissions, and aerospace actuators.
Bearing Disc Spring with Precision-Matched Design and Bearing-Specific Performance Metrics for Application-Tailored Series Classification
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Bearing Disc Spring with Precision-Matched Design and Bearing-Specific Performance Metrics for Application-Tailored Series Classification

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Dimensional tolerance :
±0.05mm on outer diameter
ISO tolerance class :
ISO 492
Load distribution variance :
±2%
Force multiplication :
4-5x at equivalent displacement
High-speed application RPM :
up to 15,000 RPM
Static load capacity :
up to 800 kN
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Bearing Disc Spring with Precision-Matched Design and Bearing-Specific Performance Metrics for Application-Tailored Series Classification
Bearing Disc Spring with Precision-Matched Design and Bearing-Specific Performance Metrics for Application-Tailored Series Classification
Bearing Disc Spring with Precision-Matched Design and Bearing-Specific Performance Metrics for Application-Tailored Series Classification

Jiangsu Sunzo Spring Elasticity Technology Co., Ltd

Verified Supplier
1 Years
nanjing
Since 2006
Business Type :
Manufacturer, Exporter, Seller
Total Annual :
1.2M-1.4M
Employee Number :
160~200
Certification Level :
Verified Supplier
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