Our Bearing Seat Stamping Die series is purpose-built for the high-volume production of industrial and automotive bearing housings. Unlike standard stamping tools, bearing seats require extreme concentricity and surface smoothness to ensure the final bearing fits perfectly without vibration.
We leverage advanced multi-stage progressive die technology or single-hit deep drawing processes, depending on your production volume and press capacity. By integrating wear-resistant carbide inserts and optimized lubricant channels, our dies minimize material galling and extend the maintenance interval even under high-speed operation.
Technical Specifications
| Component | Technical Details | Engineering Value |
| Die Base Material | High-Grade S50C / 45# Steel | High structural rigidity |
| Insert/Punch Material | SKD11, D2, DC53, or Tungsten Carbide | Wear resistance focus |
| Processing Accuracy | Wire EDM & CNC Machining | $\pm 0.005$ mm to $\pm 0.01$ mm |
| Surface Treatment | PVD Coating / TiN / Hard Chrome | Low friction coefficient |
| Shots Life | Guaranteed Service Life | 500,000 - 1,200,000 strokes |
Application Scope
| Bearing Seat Type | Material Thickness | Compatible Materials |
| Flanged Housing | 1.5mm - 6.0mm | SPCC, SPHC, Q235, Stainless Steel |
| Spherical Seat | 2.0mm - 8.0mm | Alloy Steel, Galvanized Steel |
| Automotive Hub Seat | 3.0mm - 10.0mm |
High-Strength Tensile Steel
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Detailed Product Features
I. Exceptional Dimensional Stability
The critical challenge in bearing seat production is the "springback" effect. Our engineering team utilizes finite element analysis (FEA) to predict material behavior, ensuring the final inner diameter (ID) and outer diameter (OD) remain perfectly within tolerance after the part is ejected from the die.
II. Advanced Multi-Step Drawing
For deep bearing seats, we employ a progressive drawing strategy. This gradual deformation prevents localized thinning and micro-cracks in the metal grain structure, resulting in a robust housing that can withstand high mechanical loads.
III. Quick-Change Insert System
Time is money in a stamping plant. Our dies are designed with modular inserts. When a specific section reaches its wear limit, you can replace the insert directly on the press without dismantling the entire die set, slashing your downtime by up to 60%.
IV. Optimized Clearance & Finish
By fine-tuning the cutting clearance and using mirror-polished drawing surfaces, we eliminate burrs and scratches. This ensures that the bearing seat requires zero secondary machining before assembly.
Manufacturing Workflow
DFM Analysis: We review your bearing seat drawings to optimize for material savings.
Hardness Treatment: Vacuum heat treatment ensures the die reaches $HRC 60-62$ for maximum longevity.
Trial & Sampling: Each Bearing Seat Stamping Die undergoes a minimum of 3 trial runs. We provide 5-10 initial samples along with a full dimensional inspection report.
Packaging: Anti-rust oil coating followed by vacuum sealing and reinforced wooden crate packaging for sea freight.
FAQ for Google Featured Snippets
Q: How do you handle high-strength steel (HSS) for automotive bearing seats? A: For HSS applications, we upgrade the punch material to Vanadis or Tungsten Carbide and apply a specialized PVD coating to handle the increased heat and pressure without cold welding.
Q: Can you adapt the die to my specific press machine? A: Yes. We customize the die shank, bolster plate dimensions, and shut height to match your hydraulic or mechanical press specifications perfectly.
Q: What is the lead time for a custom bearing seat die? A: Typically, the design-to-sample phase takes 35 to 45 days, depending on the complexity of the part geometry.
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