R4 - Chrome Steel - Open - Flanged Ball Bearing - 1/4" x 5/8" x 10/51"

**Product Description: Precision Inch Series R4 Ball Bearing** Engineered for professionals who demand unmatched reliability, the R4 Ball Bearing from our Precision Inch Series delivers precision performance for various mechanical applications. With meticulous craftsmanship, this bearing ensures optimal durability and efficiency. **Key Specifications:** - **Product ID:** R4 - **Inner Dimension:** 0.25 inches (6.35 mm) - **Outer Dimension:** 0.625 inches (15.875 mm) - **Type:** OPEN - **Width:** 0.196 inches (4.978 mm) - **Extended Design:** Yes, with a width of 0.2272 inches (5.769 mm) when applicable. Designed for low friction and high load capacity, the R4's open configuration allows for easy lubrication, promoting seamless operation in demanding environments. Ideal for applications in automotive and industrial machinery, this high-quality bearing is a must-have for engineers. *If you don’t find the bearing you’re looking for or have special requests, please call us at 1-800-423-9000. We appreciate the opportunity to help you.*