Dacromet Coated Bearing Disc Spring Automotive Preload High Fatigue Resistant
Product Details
| 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 |
| Highlight |
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Product Description
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.
- Available in both grooved and grooveless configurations with precision-machined annular geometry
- Ensures uniform load distribution (±2% tolerance) during multi-plate parallel stacking
- Superior load multiplication with the same displacement, achieving up to 4.5x force output compared to single-disc configurations
- Maintains stable preload force (±5% variation) over 10⁷ load cycles
- 40% extension in bearing service life and 25% reduction in maintenance costs
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.
Product Highlights
Dacromet-coated disc spring with advanced corrosion protection (1000+ hrs salt spray), 4.5x force multiplication, and 10⁷ load cycle durability. Extends bearing life 40% for automotive assemblies.
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