MARTIN 40 JA 17 Industrial Precision Ball Bearing (40x80x18mm) - High-Speed, Low-Vibration

The MARTIN 40 JA 17 is engineered for demanding industrial environments requiring superior rotational precision and load capacity in a compact 40 mm bore configuration. Featuring high-grade vacuum-degassed steel construction and a specialized internal geometry (indicated by the JA suffix), this bearing minimizes friction and heat generation, resulting in extended service life and reduced maintenance cycles. Its optimized race profiles and advanced internal clearances ensure consistent, reliable performance under high radial and moderate axial loads, making it highly suitable for applications requiring superior speed performance and operational stability. Designed specifically to meet the rigorous performance standards of critical rotating equipment—including electric motors, pumps, gearboxes, and precision tooling—the 40 JA 17 ensures maximum operational longevity and maximizes uptime. Choosing MARTIN means investing in reduced Total Cost of Ownership (TCO) through unparalleled durability and performance consistency. This unit provides exceptional quiet running characteristics and dimensional stability, drastically improving overall equipment reliability compared to standard offerings. Secure the MARTIN 40 JA 17 today to upgrade your machinery with world-class, application-specific bearing technology.

Key Features

• Optimized C3+ internal clearance (JA suffix) specifically engineered for thermal stability and high-speed industrial operations.
• Precision-honed raceways minimize friction torque, leading to improved energy efficiency and reduced heat generation.
• High precision manufacturing tolerances (P6/ABEC-3 or better) ensure low vibration and minimized running noise.
• Robust material composition (52100 steel) offers exceptional resistance to rolling fatigue and extends operational lifespan.
• Suitable for high-demand applications including gearboxes, conveyors, power transmission, and critical rotating machinery.

Technical Specifications