need to put new disc blades on our 512 Deere wants 83.00/blade are they worth the 30-35.00 $ more than the Sloan ex,or Shoup? the bearing's are 17.00 more
I got about 5000 ac. over 3 years and they are worn  2 1/2" - 3" of the original dia of 24" dia. that the normal wear you are seeing?

thanks
smoke