This general catalog unifies NTN’s full range of ball and roller bearings and turns specifications into practical sizing steps. It groups families by load direction and internal design so you can move quickly from duty cycle to part number.
Dimensional tables are paired with basic load ratings, limiting speeds and tolerance grades; selection flowcharts align fits and clearances with lubrication and sealing choices for long life.
Interchange keys and suffix tables reduce procurement risk and make replacement of legacy references straightforward.
Mounting guidance summarizes heating, interference control and verification checks for quiet, reliable running.
Download: NTN – Ball & Roller Bearings – General Catalog
