The B45 should come apart into the three individual components to match with the original GM# 909045 front outer wheel bearing assembly pictured below.
We definitely need to see what you received as a "B45" bearing as it sounds like you got the wrong part.
~ Dan 1951 Chevy 3 window 3100 Follow this story in the DITY Gallery "My Grandpa Carl's Truck and How it Became Mine" 1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver) US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)
