Tre'Shawn Thurman added 17 points and seven rebounds, and Devin Patterson had 16 points and four assists for Omaha (3-2).
Northern Colorado (1-4) held a 44-39 rebounding edge, but the Mavericks collected 11 steals, six of which were swipes by Tra-Deon Hollins who came into the game averaging four steals.
The Mavericks opened with a 19-6 lead in the first five minutes and never trailed. Thurman's layup with 9:55 left before halftime made it 36-15. The Mavericks led the Bears 64-31 at the intermission.
Northern Colorado played without leading scorer Cameron Michael, averaging 16.8 points, after suffering a concussion in practice this week.