GY specializes in manufacturing high-end needle rollers with diameters ranging from 0.5 mm × 1.5 mm to 6 mm × 40 mm, achieving a precision of 0.001 μm. Our products are primarily made of bearing steel, stainless steel, stainless iron, high-carbon steel, ZOCM, and other customizable materials.
Stainless Steel Needle Roller Product Overview GY specializes in manufacturing high-end needle rollers with diameters ranging from 0.5 mm × 1.5 mm to 6 mm × 40 mm, achieving a precision of 0.001 μm. Our products are primarily made of bearing steel, stainless steel, stainless iron, high-carbon steel, ZOCM, and other customizable materials.
Core Advantages of Stainless Steel Needle Rollers
Excellent Corrosion Resistance
Resists rust and acids: 304/316 stainless steel provides exceptional resistance to water, steam, weak acids, and alkalis, making it ideal for humid, chemical, and marine environments.
Food-grade safety: Complies with FDA standards, suitable for hygiene-sensitive industries like food processing and medical devices.
High Hardness & Wear Resistance
440C stainless steel: Achieves hardness up to HRC 58-62 after heat treatment, offering wear performance comparable to bearing steel (GCr15).
Long service life: High surface finish (Ra ≤ 0.2 μm) minimizes friction and wear.
High-Temperature Performance
Stable up to 500°C: Superior oxidation resistance at high temperatures compared to standard steel, ideal for high-temperature applications (e.g., baking equipment).
Lightweight & Low Density
Density of stainless steel (7.9 g/cm³) is slightly lower than carbon steel, making it suitable for weight-sensitive applications (e.g., aerospace, robotics).
Non-Magnetic or Weak Magnetic Properties
304/316 non-magnetic: Ideal for MRI equipment and electronic instruments where magnetic interference must be avoided.
440C weakly magnetic: Meets specific application requirements.
Stainless Steel Needle Roller Common Applications
Automotive Industry: Transmissions, clutches, steering systems, engine camshafts, and chassis suspensions utilize needle roller bearings for efficient power transmission and support.
Machinery Manufacturing: Machine tool spindles, guide rails, textile machinery transmission components, and printing machine roller supports benefit from their compact design.
Hydraulic and Pneumatic Equipment: Reduces friction in pistons and plungers within hydraulic pumps and motors, enhancing efficiency.
Medical Devices: Provides stable support and low-friction movement in precision rotating or sliding structures.
Construction Machinery: Withstands heavy loads and adapts to complex conditions in hydraulic cylinders and joint parts of excavators and loaders.
These applications leverage the slender structure of needle rollers to save space while reducing wear and improving operational efficiency through rolling friction.
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