The Hawks (13-10, 6-4 America East Conference), who also defeated the Bearcats 71-68 on Jan. 2, are off to their best 10-game start in league play since 2007-08.
After a back-and-forth first half, Hartford led 38-36 at the break, then the game was knotted three more times, the last time at 46 with 16:02 left.
John Peterson’s 3-pointer, Nwakamma’s dunk and Nate Sikma’s two free throws pushed the Hawks ahead.
Nwakamma made 7 of 8 foul shots and dunked in the last 2:56 to help Hartford maintain a double-digit lead.
John Peterson added 16 points and Wes Cole contributed 12 on four 3-pointers for the Hawks.
Jordan Reed’s 17 points led the Bearcats (3-20, 1-9), who have lost 16 of their past 17.