High Precision 5203 Double Row Angular Contact Ball Bearing 5203-2RS For Machinery 17x40x17.5mm

Rolamento de esferas angular do contato
December 03, 2025
Brief: This video provides a case-style overview of the 5203-2RS double row angular contact ball bearing in action. You'll see how its high-precision design and double-sided seals deliver stable performance in demanding applications like CNC spindles and robotic joints, showcasing practical benefits and typical results for machinery engineers.
Related Product Features:
  • Engineered for high-precision and high-speed rotation with exceptional rigidity and stable load-bearing performance.
  • Features compact dimensions of 17mm inner diameter, 40mm outer diameter, and 17.5mm width for small-to-medium precision mechanical structures.
  • Equipped with double-sided rubber seals (2RS) for superior dustproof, moistureproof, and contaminant-resistant protection.
  • Constructed from GCr15 high-quality bearing steel for wear resistance, high strength, and extended service life.
  • Undergoes precision grinding and superfinishing to ensure low friction, minimal vibration, and consistent rotational accuracy.
  • Double-row structure significantly enhances radial load capacity and bidirectional axial load resistance.
  • Ideal for high-demand precision transmission systems in industrial, automotive, and precision equipment environments.
  • Interchangeable with equivalent precision bearings from major brands like SKF, NSK, INA, and Timken.
Perguntas Frequentes:
  • What does the '2RS' designation mean in the 5203-2RS bearing model?
    The '2RS' designation indicates that the bearing features double-sided rubber seals, which provide superior dustproof, moistureproof, and contaminant-resistant protection, extending the service life in various industrial environments.
  • What are the key applications for the 5203 double row angular contact ball bearing?
    This bearing is designed for high-precision, high-speed scenarios and is commonly used in CNC machine tool spindles, precision machining equipment, high-speed electric motors, automotive auxiliary components, robotic joints, precision gearboxes, optical processing machinery, and medical equipment rotation mechanisms.
  • Is the 5203-2RS bearing interchangeable with other brands?
    Yes, the 5203-2RS is interchangeable with bearings from major brands that match the '17x40x17.5mm size + double row angular contact + 2RS double-sided rubber seal + precision grade' specifications, such as SKF 5203-2RS, NSK 5203-2RS, INA 5203-2RS, and Timken 5203-2RS.
  • What material is used in the construction of the 5203-2RS bearing?
    The 5203-2RS bearing is crafted from GCr15 high-quality bearing steel, which is known for its wear resistance and high strength, ensuring durability and consistent performance in demanding applications.
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