1.2 C.S.A. B97-1 1963 LIMITS AND FITS(REWORK)

• Five types of fits are allowed, with a variety of classes

• This system is hole based (it uses the “H” hole)

• There are 22 diameter steps from 0” to 200”

• A fit is classified as a grade of “H” hole and a grade of shaft

• For example,

• To go on further with a more complicated example, consider the hole shaft pair with a bushing