Both were ruled out for Wednesday's game against the Miami Heat and the Bulls were still able to go on to a victory.
Noah, who has missed the past three games because of plantar fasciitis, worked on free throws and turnaround jump hooks in the lane after Friday's practice.
"Marco's a little better, Jo's a little better but we'll see (Saturday)," coach Tom Thibodeau said.
Belinelli has been out with an abdominal strain.
"He's a lot better, but this is the time of the year you want to make sure you're cleaning things up in terms of health," Thibodeau said. "You don't want things to linger. You want them to get as healthy as possible. So we'll see where he is (Saturday)."