12x19x5mm Ultra-Thin Deep Groove Ball Bearing (DGBB) | High-Precision CR Steel for High-Speed Applications

This CR-grade 12X19X5 miniature deep groove ball bearing is engineered for extremely tight tolerance installations requiring maximum rotational precision and minimal cross-section. Constructed from premium High Carbon Chrome Steel (CR grade) for superior hardness and wear resistance, this bearing ensures reliable operation across demanding duty cycles. Featuring a precise 12mm bore, 19mm outer diameter, and a slim 5mm width, it is ideally suited for applications where space constraints are paramount, such as high-density electronic assemblies, miniature drive systems, and specialized instrumentation. Its robust geometry delivers excellent radial and moderate axial load support, minimizing friction loss and operational noise. Optimized for extended service life, the 12X19X5 bearing reduces the total cost of ownership (TCO) by dramatically cutting down unplanned maintenance and downtime. Standardized with 2RS rubber seals (optional ZZ metal shields available), it offers exceptional contaminant exclusion necessary for dusty or humid industrial environments, preserving the internal raceway integrity and lubricant life. As a key component in precision machinery, this CR bearing maintains P6 (ABEC-3) dimensional and running accuracy, ensuring smooth, vibration-free performance necessary for sensitive diagnostic equipment and rapid indexing mechanisms. Invest in CR reliability to safeguard your critical rotational assets.

Key Features

• Ultra-Thin Profile (5mm width) for maximized space utilization.
• Constructed from CR High Carbon Chrome Steel for exceptional fatigue life and durability.
• P6 (ABEC-3) precision class ensures minimal radial runout and reduced operational noise.
• Standard 2RS contact seals provide robust exclusion of dust, moisture, and fine particulates.
• Optimized internal geometry allows for high rotational speeds suitable for small motors and fans.
• Low friction torque design enhances energy efficiency and extends lubrication intervals.

Technical Specifications