New item 2/23/17! Rototiller tine shaft bearing for all center drive models. Fits from the earliest model C-1600 used on the 130/180 tractors through the J70 model used on the early '80's 200/400/600 models. Also found on the J72 mechanical drive tiller sold with the model 210 tractors. Includes the locking collar, two bearings are needed per application.