• Exhaust Ventilator, Single Phase Motors • Dripproof, C-Face Footless, Single Speed Motors • Split phase (except as noted) • Thermal protection, as noted • Service factor, as noted • Century® motors with 56CZ frames have 2-1/4 x 5/8 shaft dimensions • Ball bearings • Open dripproof except F396L is TENV • Model 5KH36MN137