Press Fit / Interference Fit

Calculate contact pressure, hoop stress, safety factor, torque and force capacity, and thermal assembly temperatures for cylindrical interference fits.

Unit System
Geometry
in
Nominal bore/shaft diameter at the press fit
in
Outer wall of the part the shaft presses into
in
Fit Class
Materials

Enter nominal diameter, hub OD, engagement length, and shaft/bore deviations — or select an ASME B4.1 fit class