Ball Bearing with Spherical OD, 2-Rubber Seals, and Eccentric Locking Collar Eccentric (self locking) collar is easy to install and provides locking force that increases with use. Hardened inner ring and ground seal land protects the seal and inner ring from abrasive wear and prolongs seal integrity. Mechanical attachment of seal to outer ring, resisting pop-out during re-lube and inhibiting spinning of the seal in the outer ring seal groove. Positive contact, land riding seal provides effective protection against contamination. Single lip with Buna-N rubber has cotton fiber, embedded to wick oil, which enhances lubrication and improves sealing integrity. www.timkeninfo.com Package Dimensions: 2.758 x 2.758 x 1.814 inches Package Weight: 0.437 lb Package Quantity: 1 UPC: 087796053236 Quantity per Application: 1 Remanufactured Part: N