CSA205-16 Insert Bearings. This bearing has a eccentric locking collar and fits many but not all Dixon, Cub Cadet, Exmark, Buton, John Deere machines and may more. 1" Bore Insert Bearing, CSA205-161"x 2.046" x 1-1/4"Insert with eccentric locking collarApplicationDixon, Cub Cadet, Exmark, Buton, John Deere machines and many more. 1" Bore Insert Bearing, CSA205-161"x 2.046" x 1-1/4