Bearing Depot & Supply has a large stock of inch size radial ball bearings available in an open design, a shielded version and a sealed version. The sizes range on the ball bearings based on the application. These ball bearings come in single row, double row and double row angular contact. Shielded ball bearings (suffixes Z or ZZ) are protected by one or two metal shields - this close clearance labryinth seal retains the lubricant and prevents the entrance of foreign matter. Sealed ball bearings (suffixes LL, 2RS, or 2NSE) have rubber seals fastened to a groove on the outer ring. The Bearing Depot stocks a large line of great quality manufacturers that are trusted by our loyal customers including NTN, Nachi, FBJ, etc.