2.15
Dayton 3Fcy6 Flange Bearing, 4-Bolt, Ball, 1-15/16" Bore
A nice touch with Kluber is the variety of viscosity grades available.
General 70079 Hardened Steel Ball Bearing Utility Automatic Center Punch
You will notice PRI Fuel Stabilizer- For Gasoline 32oz doesn't gum up the fuel lines at all.