The SKF single row full cylindrical roller bearing http://www.alierbearings.com/index.php?c=product&a=search&word=SKF+NCF  contains the maximum number of rollers because they are not equipped to hold the rack.
Bearing characteristics:
· .  high bearing capacity
The bearing with no holder can hold the most roller, so it is suitable for bearing extremely heavy radial load.
·.   high stiffness
Increased roller number increases radial stiffness.
· .  separable and swaps
SKF single row full roller bearing separation components are interchangeable.
This is easy to install, remove, and maintain the test.
.   Live your life