The Golden Bears, who are off to their first 6-0 start 2007, were 22 for 25 on free throws.
Cal leads 26-2 in the all-time series between the Northern California schools.
Ross Rivera scored 13 points for Pacific (3-3), which shot 34.4 percent and went 3 of 17 from 3-point range. Shooting guard Sama Taku missed all eight of his shots after going 16 of 32 from the field over his previous four games.
Trailing by 14 points at halftime, Pacific rallied within 53-45 after Trevin Harris was fouled by Crabbe on a 3-point shot and sank all three free throws. Lorenzo McCloud triggered a 6-0 spurt by the Tigers and Khalil Kelley's jump-hook narrowed the gap to 59-54.