Quote Originally Posted by Jonathan View Post
Forgot to mention, those are all rails/blocks with 4 rows of balls which is what you want since their load rating is equal in all directions and the moment load is greater. Two rows is still fine if they're quite big and clearly still far superior to supported round rails.
I very rarely see 2 row bearings for sale.! Where do you see them.?

Quote Originally Posted by Jonathan View Post
I better keep them locked up else they will be!
Better still get them working and earning there keep.!!