@ct0517
Yes, I agree about the ball.
Platine Verdier users have debated a lot about the advantages and disadvantages of using a steel ball. Removing it is from our point of view the best solution to preserve the turntable from noise and vibrations.My bearing does not leak too. But it is open inverted bearing - the oil flow very slowly to the bottom of the axle. It's just physics.
Instructions manual
Recharging the bearing with oil should be a monthly routine. The consumption of oil is dependent on temperature an how much the turntable is used.
Instructions manual