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Provide precision ball bearings for the automotive industry
Precision balls are a type of spherical product with high quality, consistency, and reliability, which are widely used in various fields. These spherical products have strict tolerance control, can reduce friction, have high load capacity, and are corrosion-resistant. In addition, precision balls have consistent performance and can improve the reliability and efficiency of automotive systems. Therefore, precision balls are highly favored.

Why choose us?

We are a tier-one OEM supplier of automotive balls for a variety of products within the industry. As a supplier of automotive ball bearings, we provide ball bearings for components such as steering wheels, seat tracks, electric doors, constant velocity joints, and other automotive parts. In the automotive industry, mechanical bearings with steel balls are the most common application, as they effectively reduce friction between moving parts and withstand the expected heavy load transfer in automobiles. We manufacture steel balls using various grades of high-quality stainless steel to meet almost all ball bearing requirements in the automotive industry.
 
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Steel balls are critical components in many mechanical systems, especially in rolling bearings, conveyor systems, and other precision machinery. Over time, the performance of steel balls can degrade, affecting the operation and lifespan of the entire system. Therefore, timely identification of when

24 April 2025
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Have you ever noticed that while most steel balls are shiny and silver, some are dark and matte black? At first glance, they might look old, dirty, or even rusty — but actually, that black color is a sign of specialized treatment.Let’s start with this tiny detail and uncover the hidden science behin

23 April 2025
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In the fields of mechanical engineering, bearings, furniture hardware, and more, carbon steel balls are widely recognized for their excellent performance and affordability. As a professional B2B manufacturer of carbon steel balls, we are committed to providing reliable and high-quality products tail

18 April 2025
Hot Product
Stainless Steel Ball
STW INDUSTRIAL is a leading manufacturer of High Precision Stainless Steel Balls. Our stainless steel balls have the characteristics of high strength, corrosion resistance, lightweight and high temperature resistance, enabling them to assume important functions and roles in the automotive field.
  Compliant with ISO 9001: 2015 and IATF16949: 2016 standards
  Excellent corrosion resistance
  Has a high level of intensity
  Applicable to various harsh operating conditions

Related Products

AISI 440C stainless steel balls offer high hardness, toughness, and size stability, with excellent resistance to rolling contact fatigue. Used in a hardened state, they perform similarly to tool steel, making them ideal for frictional bearings.
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440 stainless steel balls are precision-engineered for high-performance applications, prized in industries needing corrosion resistance and durability. Made from martensitic stainless steel, they excel in maintaining shape and integrity under tough conditions due to their excellent hardness.
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Introducing our AISI 304 Stainless Steel Balls: crafted for superior corrosion resistance and precision performance. Perfect for bearings, valves, and critical applications where reliability and durability are essential. Trusted quality to enhance your industrial processes.
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Material Description
Material: 420C stainless steel
Chemical composition:
Carbon (C): 0.26-0.40%
Silicon (Si): ≤1.00%
Manganese (Mn): ≤1.00%
Sulfur (S): ≤0.030%
Phosphorus (P): ≤0.035%
Chromium (Cr): 12.0-14.0%
Nickel (Ni): ≤1.00%
Iron (Fe): Balance
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316L Stainless Steel Ball is a versatile and durable component designed to meet the highest standards of quality and performance. Crafted from premium 316L stainless steel, this ball offers exceptional resistance to corrosion, making it ideal for use in harsh environments and applications requiring high strength and longevity.
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316 stainless steel balls have excellent environmental resistance and low magnetism, making them ideal for a variety of applications. The material is passivated to reduce its reactivity.
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