Zone Hardened Raceways Double Row Needle Roller Bearing with Double Ribs on The Outer Ring CF3 1/4s for Construction Equipment Xrb-Zwa Bearing Industry Co., Limited Base Info Description Pre：Cylindrical Outside Diameter Single Row Needle Roller Bearing with Double Ribs on The Outer Ring Ccfh3sb for Construction Equipment Next：Clean Room-Compatible Needle Roller Bearing with Double Locking Ring on Outer Ring CF3 1/4sb for Wafer-Handling
