Case Ingersoll mower deck bearing kit includes six bearings to replace C28971 bearings. Replaces part numbers A70280/C28971.
 
Used on almost all Case Ingersoll mower deck models including all used on 200/400 and 3000/4000 series tractors; for the left hand, right hand, and rear discharge decks.  The job requires 2 bearings per spindle almost all decks have three spindles, and 6 bearings total are needed for almost every deck.
 
This kit included the 6 needed bearings to complete the job.
 
Instructions on how to replace bearings and very importantly how to repack
bearings can be found at Case Ingersoll Tractors Northeast on YouTube 
Link for Rebuilding Right Hand Discharge RM Style Decks
Link for Rebuilding Left Hand Discharge Decks
Link for how to repack new and used bearings