Description Torrington B-45 NEEDLE ROLLER BEARING 1/4″ ID 7/16″ OD 5/16″ Width Drawn cup needle roller bearing for applications with high dynamic loads Drawn steel outer shell (cup) has a reduced cross-section for use in restricted spaces Full complement of rollers for higher radial load capacity than caged rollers Through-hardened, high-carbon chromium steel rollers for heat tolerance and durability under heavy loads Meets standard ASTM F2162 for quality assurance