Final Drive Gear Bearing 34" OD 2" Roller Ball Tooth Gear Turn Table Base DriveUsed Surplus, Acquired From Spare Parts Storeroom. This is a heavy duty bearing. Has a tooth gear for a sprocket. Not sure of the specs. 13 16 pitch. 19 32" pitch dept. Collar that comes from the ID of bearing is 28" OD and 27" ID. Stands 5" tall. Drive input shaft is 4 7 8" bore. 16" sprocket drive. This is a dual ball bearing setup. The actual roller balls are 2" wide. Looks clean on the inside of bearings. We have no idea of the actual condition