Spindle Assembly for MTD,Cub Cadet 618-04474,618-04474A,918-04474,918-04474A Quality Aftermarket Spindle Assembly Replace MTD,Cub Cadet 618-04474,618-04495,918-04474,918-04495,112-6063 5.75" O.D x 1" Pulley Sealed bearing, no grease fitting,6 stars blade adapter Mounting holes are not threaded, use self tapping screws.