Discover precision engineering with this premium 1621-ZZ C3 shielded ball bearing. With dimensions of 1/2" inner diameter, 1 3/8" outer diameter, and 7/16" width, this bearing is designed for smooth, reliable operation. The ZZ shield configuration provides excellent protection against dust and debris while maintaining optimal performance. The C3 internal clearance specification makes this bearing particularly suitable for applications requiring slightly greater than normal clearance. Perfect for both industrial machinery and precision equipment, this versatile bearing delivers consistent performance and durability. Its premium construction ensures reduced friction and heat generation during operation, contributing to extended service life. Whether you're maintaining existing equipment or building something new, this bearing offers the quality and reliability your project demands. 1621-ZZ C3 Fit Premium Radial Ball Bearing, 1/2"x1 3/8"x7/16" with 2 Metal Shields.