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Help CenterCustom CNC Machined Alloy Steel Pump Bearing Cover, IATF16949, Tolerance ±0.002mm, 100% Inspected
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As a certified TS16969 manufacturer with over 7 years of precision machining experience, Changzhou Hongxinyutai Precision Mold Co., Ltd. proudly presents our Custom CNC Machined Alloy Steel Pump Bearing Cover – a critical component engineered for demanding pump applications. With a tight tolerance of ±0.002mm and 100% inspection, this bearing cover ensures exceptional sealing, durability, and performance. Our factory, spanning 1,000–3,000 square meters and staffed by 51–100 skilled professionals, is dedicated to delivering high-precision parts that meet the rigorous standards of global customers.
This product is designed to replace or upgrade original pump bearing covers, providing a perfect fit and long service life even under high pressure and temperature. Whether you need a standard configuration or a fully customized design, our engineering team works closely with you to achieve the exact specifications required. The alloy steel material offers excellent strength and wear resistance, while the CNC machining process guarantees repeatable accuracy across every batch.
Key Features & Technical Specifications
- Material: Premium alloy steel (e.g., 4140, 4340, or equivalent) – high tensile strength, fatigue resistance, and machinability.
- Machining Process: Multi-axis CNC turning, milling, and drilling – capable of complex geometries and tight tolerances.
- Dimensional Tolerance: ±0.002mm on critical diameters and mating surfaces – ensures minimal vibration and leakage.
- Quality Control: 100% dimensional inspection using CMM, optical comparators, and surface roughness testers – every unit comes with a detailed inspection report.
- Certification: Manufactured under TS16969 quality management system – consistent process control and traceability.
- Surface Treatment: Optional black oxide, phosphating, zinc plating, or hard chrome – enhances corrosion resistance and appearance.
- Customization: Thread type, O-ring groove, lubrication holes, and mounting holes can be tailored to your drawing.
| Parameter | Value |
|---|---|
| Material Hardness | 28-32 HRC (as machined), customizable |
| Surface Roughness | Ra ≤ 0.8 μm |
| Operating Temperature | -40°C to +150°C |
| Lead Time | 15-25 working days for standard orders |
| Packaging | Individual bubble wrap, foam-lined carton, or wooden crate |
Advantages for Your Business
- Reduced downtime – precision fit ensures easy installation and long service intervals.
- Lower total cost – durable alloy steel reduces replacement frequency compared to cast iron or aluminum.
- Consistent quality – TS16969 system and 100% inspection eliminate defects.
- Flexible customizations – adapt to existing pump designs without redesigning the entire system.
- Global shipping – we export from Jiangsu, Shanghai, and Shenzhen ports to North America, Europe, Asia, and more.
Since 2017, our factory has grown to serve customers in over 15 countries, including demanding markets in North America and Western Europe. Our team of 51–100 employees brings decades of combined experience in precision mold making and CNC machining. With a factory area of 1,000–3,000 square meters, we maintain a modern machine park equipped with 5-axis CNC, automatic lathes, and coordinate measuring machines. We are committed to on-time delivery, competitive pricing, and technical support throughout the project lifecycle. Choose Changzhou Hongxinyutai for your pump bearing cover needs – we are your reliable partner in precision manufacturing.
Frequently Asked Questions (FAQ)
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Q: What is the minimum order quantity (MOQ) for this product?
A: We accept MOQ of 10 pieces for standard designs, but we can also process small batches or even single prototypes for custom orders. Please contact us with your specific quantity. -
Q: Can you provide a sample before mass production?
A: Yes, we offer sample machining. The sample cost will be deducted from the final order once you place a production run. Lead time for samples is typically 7–10 working days. -
Q: How do you ensure the ±0.002mm tolerance is met?
A: We use high-precision CNC machines with real-time feedback, and every critical dimension is verified with a CMM (Coordinate Measuring Machine) during and after machining. Our inspection report includes measurement data for each unit. -
Q: What materials can you use besides alloy steel?
A: We can also machine stainless steel, carbon steel, brass, aluminum, and engineering plastics. Send us your drawing, and we will recommend the optimal material for your application. -
Q: Do you offer surface treatments like plating or painting?
A: Yes, we provide various surface finishes, including black oxide, zinc plating, nickel plating, anodizing (for aluminum), and powder coating. Please specify your requirement in the order. -
Q: How do you package the bearing covers to prevent damage during shipping?
A: Each part is individually wrapped in anti-rust paper and bubble wrap, then placed in a foam-lined box or wooden crate. For large orders, we use palletized packaging. We also offer custom packaging if you have specific requirements. -
Q: What is your quality system certification?
A: Our factory is certified under TS16969, which is a quality management system for automotive and precision parts. We follow strict process control, traceability, and continuous improvement practices. -
Q: Can you machine parts with very small features or complex internal passages?
A: Yes, our 5-axis CNC machines and advanced tooling allow us to create intricate geometries, including internal cooling channels, blind holes, and fine threads. We recommend sharing a 3D model for feasibility analysis.
We are confident that our Custom CNC Machined Alloy Steel Pump Bearing Cover will exceed your expectations. For a quote or technical discussion, please contact our sales team today. We look forward to building a long-term partnership with you.
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