Jiangsu Sunzo Spring Elasticity Technology Co., Ltd
| Packaging Details | Carton |
| Delivery Time | Negotiable |
| Payment Terms | Negotiable |
| Material | 50CrVA alloy steel |
| Tensile strength | 1250-1400 MPa |
| Hardness | HRc 45-50 |
| Coating type | Dacromet (zinc-aluminum flake) |
| Coating thickness | 8-12μm |
| Corrosion resistance | 1000 hours (ASTM B117) |
| Temperature range | -40°C to 120°C |
| Load tolerance | ±2% |
| Force multiplication | 4.5x |
| Friction reduction | 30% |
| Preload stability | ±5% variation |
| Cycle durability | 10⁷ load cycles |
| Bearing life extension | 40% |
| Maintenance cost reduction | 25% |
| Configuration options | Grooved/grooveless |
| Load distribution | Uniform |
| Stacking compatibility | Multi-plate parallel |
| Environmental resistance | Chlorides, sulfides, pollutants |
| Coating performance | Superior to phosphate treatments |
| Application | Wheel hub, crankshaft, transmission |
| Place of Origin | Sihong, China |
| Brand Name | Sunzo |
| Certification | CE/IATF16949/45001/14001/9001 |
View Detail Information
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Product Specification
| Packaging Details | Carton | Delivery Time | Negotiable |
| Payment Terms | Negotiable | Material | 50CrVA alloy steel |
| Tensile strength | 1250-1400 MPa | Hardness | HRc 45-50 |
| Coating type | Dacromet (zinc-aluminum flake) | Coating thickness | 8-12μm |
| Corrosion resistance | 1000 hours (ASTM B117) | Temperature range | -40°C to 120°C |
| Load tolerance | ±2% | Force multiplication | 4.5x |
| Friction reduction | 30% | Preload stability | ±5% variation |
| Cycle durability | 10⁷ load cycles | Bearing life extension | 40% |
| Maintenance cost reduction | 25% | Configuration options | Grooved/grooveless |
| Load distribution | Uniform | Stacking compatibility | Multi-plate parallel |
| Environmental resistance | Chlorides, sulfides, pollutants | Coating performance | Superior to phosphate treatments |
| Application | Wheel hub, crankshaft, transmission | Place of Origin | Sihong, China |
| Brand Name | Sunzo | Certification | CE/IATF16949/45001/14001/9001 |
| High Light | Dacromet Coated Bearing Disc Spring ，Automotive Bearing Disc Spring ，Fatigue Resistant slotted disc spring | ||
Automotive bearing assemblies operate in extremely harsh environments characterized by cyclic humidity, road salt exposure, abrasive dust, and temperature fluctuations (-40°C to 120°C). Our Dacromet Bearing Preload Disc Spring is engineered to deliver exceptional anti-corrosion performance specifically optimized for automotive bearing pre-tightening applications.
This advanced coating provides industry-leading corrosion resistance in aggressive environments containing chlorides, sulfides, and industrial pollutants, while minimizing wear during dynamic operation.
Effectively prevents bearing looseness in critical automotive systems including wheel hub assemblies, engine crankshaft bearings, and transmission gear sets, directly enhancing vehicle safety and reliability under extreme driving conditions.
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2006
Total Annual:
1.2M-1.4M
Employee Number:
160~200
Ecer Certification：
Verified Supplier
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