Ben Abdelkader made six 3-pointers, including five in a row in the second half to help Cal (7-2) extend its winning streak to seven. Gray, who currently ranks second in the Pac-12 Conference in field goal percentage, finished 6 of 11 from the floor.
Brittany Boyd had a season-high 12 assists and contributed six points for the Golden Bears.
Shaquita Smith scored the first basket of the game to give Cal State Bakersfield (3-6) its only lead. Melissa Sweat made a layup to pull the CSUB within 11 points, 47-36 with 12:41 remaining, but the Roadrunners did not get any closer.
Smith finished with 10 points, and Tyonna Outland scored 13 to lead Cal State Bakersfield.