The 77R3 radial ball bearing measures 3/16" x 1/2" x .1960" and is shielded for enhanced protection against contaminants. This bearing is designed for smooth rotational motion and is ideal for applications requiring precision and reliability. Its compact size makes it suitable for various machinery and equipment. The shielded design helps maintain lubrication and prolongs the bearing's lifespan, ensuring consistent performance. This model meets industry standards for quality and is perfect for use in both commercial and industrial settings.