Bryant trailed for the final time at 50-49 with 11 minutes left and SaBastian Townes put the Bulldogs ahead 71-61 with 2:47 to go on a 3-pointer. SFU didn't get closer than seven points the rest of the way.
Townes chipped in with 14 points and freshman Joe Kasperzyk had 12 for Bryant (6-11, 3-3 Northeast Conference). The Bulldogs shot 53 percent and made 10 3-pointers.
Bryant is in a four-way tie for third in the conference behind leader Robert Morris (10-9, 5-1).
SFU led 34-30 at the break and had its three-game series winning streak snapped.
College basketball picks: Identifying the next major upset
ESPN.com's college hoops experts make their picks for Sunday's UConn-Florida meeting, and other key matchups.
No. 25 Colorado flying high, to face San Diego next
From China to the top 25.
No. 20 Washington, Tennessee go north for matchup
The No. 20 Washington Huskies hope to make a trend out of having success in unfamiliar locations when they travel to Toronto on Saturday to face Tennessee in the Naismith Hall of Fame Classic.