Specifications
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
Material options :
50CrVA, 60Si2MnA, SUS304/316, Inconel 718, Hastelloy C276
Dimensional tolerance :
±0.01mm
Load force variance :
±2%
Force multiplication :
3.2-6.8x
Standard sizes :
200+
Production capacity :
5 million units/year
Production lines :
12 automated
On-time delivery :
98%
Fatigue testing :
10⁷ cycles
Surface treatments :
8+
Load distribution :
Uniform
Design support :
CAD/CAM
Prototyping method :
3D printing
Corrosion test standard :
ASTM B117
Compliance standards :
ISO 10243, DIN 2092, ASTM A973
Quality inspection :
100%
Technical support :
24/7
Bearing compatibility :
SKF, Timken, NSK
Design method :
FEA simulation
Prototyping process :
Iterative
Description
Bearing Disc Spring Manufacturer in China - ISO 9001 Certified Global Supplier
As a professional Bearing Preload Disc Spring manufacturer in China with over 15 years of industry expertise, we provide global supply of high-performance grooved and grooveless bearing disc springs to international bearing assembly and mechanical manufacturing clients across 40+ countries.
Quality Certifications & Standards
Our production facilities are ISO 9001:2015 certified and adhere to stringent international industrial standards including ISO 10243, DIN 2092, and ASTM A973. This ensures each spring meets precise dimensional tolerances (±0.01mm) and delivers consistent performance.
Engineering Excellence
The standardized annular design—engineered through FEA simulation and iterative prototyping—guarantees:
  • Uniform load force distribution (±2% variance) in multi-plate configurations
  • Load multiplication with the same displacement (3.2-6.8x force output) across all specifications
Product Portfolio & Customization
We offer a comprehensive product portfolio featuring 200+ standard sizes matching international bearing models (SKF, Timken, NSK) and fully customized solutions including CAD/CAM design support and 3D printing prototyping tailored to unique application requirements.
Materials & Surface Treatments
Material Range Surface Treatments
High-strength alloys (50CrVA, 60Si2MnA) Phosphating
Stainless steels (SUS304/316) Dacromet
Superalloys (Inconel 718, Hastelloy C276) Mechanical zinc plating
PTFE coating
Production Capacity & Global Reach
With an annual production capacity of 5 million units across 12 automated production lines, we ensure 98% on-time delivery and provide 24/7 technical support. Our products are exported to Europe (Germany, Italy), Americas (USA, Mexico), Southeast Asia (Singapore, Malaysia), and Oceania.
Industry Applications
  • Aerospace (helicopter transmission bearings)
  • Automotive (EV motor assemblies)
  • Precision machinery (CNC spindles)
  • Heavy industry (mining equipment)
Quality Assurance
Each batch undergoes 100% quality inspection including CMM dimensional analysis, fatigue testing (10⁷ cycles), and corrosion resistance verification (ASTM B117 salt spray) to maintain reliability in extreme operating conditions.
ISO Bearing Disc Spring Custom Engineering Solutions High Strength Alloys
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ISO Bearing Disc Spring Custom Engineering Solutions High Strength Alloys

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Place of Origin :
Sihong, China
Brand Name :
Sunzo
Certification :
CE/IATF16949/45001/14001/9001
MOQ :
Negotiable
Price :
Negotiable
Packaging Details :
Carton
Contact Supplier
ISO Bearing Disc Spring Custom Engineering Solutions High Strength Alloys
ISO Bearing Disc Spring Custom Engineering Solutions High Strength Alloys
ISO Bearing Disc Spring Custom Engineering Solutions High Strength Alloys

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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