It’s not how much you do, but how you do it. Controlled “pin-touch” reps on the bench press are far better than uncontrolled “bounce-off-your-chest” reps.
As far as load, anything above your body weight for reps is good. Unless you’re a powerlifter, it’s not the absolute amount that counts, but rather the relative amount compared to other lifts.
Click HERE to learn how to test for structural balance while training.