Thrust ball bearings have separable components that are interchangeable. This facilitates installation, removal, and maintenance inspection.
Bearings with spherical raceways can accommodate initial misalignment.
The shaft washer has a ground bore for interference fit.
The housing washer bore is turned and always larger than the shaft washer bore.
The digit following BA indicates the inner diameter.
F
Machined steel cage, ball guided
M
Machined brass cage, ball guided
P5
Tolerance class P5
P6
Tolerance class P6