6200-ZZ Ball bearing.
The bearing is 10 mm ID, 30 mm OD, and 9 mm thick.
This bearing is used in the band saw as item #33
These replacement bearings are higher quality than the original bearings.
In your instruction manual, this part appears on the parts list as:
|33||LittleMachineShop.com 4829 Band Saw|
|41||LittleMachineShop.com 4829 Band Saw|