The Bulldogs (13-10, 7-2 Big South Conference) have won 12 of their past 16 games since opening the season 1-6.
UNC Asheville scored the first nine points and took a 38-22 halftime lead.
The Camels (10-13, 5-4), who came in tied for the North Division lead with High Point and Virginia Military Institute, shot 60.9 percent in the second half (14 of 23), but could get no closer than eight, at 44-36 with 15:25 remaining.
The Bulldogs shot 55.8 percent for the game (29 of 52) and scored 31 points off 20 turnovers. UNC Asheville has won 21 consecutive games against teams from the North Division.
Darian Hooker's 18 points led Campbell.
Forward Kennedy Meeks, who has averaged 9.4 points and 6.5 rebounds at North Carolina, has pulled out of the NBA draft and will return to the Tar Heels.
Cal big man Ivan Rabb could have been selected in the top 10 of the NBA draft. Instead, he's returning to Berkeley to make himself, and the Golden Bears, stronger.
Devin Williams' decision last month to sign with an agent and enter the NBA draft has left West Virginia in a tough spot.