Engineered for extreme space limitations, the 6704-ZZ is a single row thin-section ball bearing that delivers high-speed capabilities in a remarkably compact form. Featuring dual pressed steel shields (ZZ), this 20x27x4 mm component effectively guards against coarse debris while retaining the premium factory lubricant. Its ultra-lightweight architecture is highly sought after for advanced robotics, micro-motors, and precision instrumentation where minimizing rotational mass is essential.