The 634 Radial Ball Bearing from PEER BEARING COMPANY is a compact bearing with dimensions of 4mm x 16mm x 5mm. This open-type bearing is designed for applications requiring low friction and high-speed operation. Its precision-engineered balls provide smooth rotation, making it suitable for various mechanical systems, including electric motors and robotics. The lightweight design and small footprint allow for easy integration into tight spaces, ensuring versatility in application. This bearing is an excellent choice for engineers seeking reliable performance in miniature applications.