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 Iron Rolling Needle 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 Iron Needle Rollers
Cost-Effective Rust Resistance
Superior corrosion resistance compared to carbon steel: Contains chromium (12%-18%) to form a passive oxide layer, providing protection against moisture, weak acids, and alkalis (outperforms standard GCr15 needle rollers).
Lower cost than 300-series stainless steel: Ideal for applications with budget constraints requiring basic rust protection.
High Hardness & Heat Treatability
Martensitic stainless steel (e.g., 410, 420): Achieves hardness up to HRC 50-55 after quenching, with wear resistance comparable to bearing steel.
Optional surface enhancements: Chromium plating or nitriding further improves wear resistance.
Moderate High-Temperature Resistance
Operating temperatures ≤ 300°C: Exceeds the performance of standard steel needle rollers (150°C) but is lower than 300-series stainless steel (500°C).
Magnetic Properties
Exhibits magnetism: Suitable for applications requiring magnetic adsorption and positioning (e.g., automated sorting equipment).
Stainless Iron Rolling Needle 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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