Carrier KT680034 Bearing 321894-706 the 100112330 is the official

the 100112330 is the official direct replacement for 100078039 and is the current standard part for those older systems

Key Technical Benefits: Direct OEM Replacement: Replaces obsolete part number 1186115 for a seamless electrical and mechanical fit

Whether you are performing a P74AA-1 replacement or a new system install

Contractor-Friendly Design: Utilizes a removable screw terminal block to streamline wiring and reduce installation time in the field

Carrier KT680034 Bearing 321894-706 the 100112330 is the officialThe Carrier KT680034 Bearing is a high precision 1 7 16" pillow block bearing engineered specifically for heavy duty rotation in commercial HVACR platforms. As a genuine Carrier OEM part, this assembly features a self aligning ball bearing insert housed in a robust cast iron base, designed to accommodate significant radial loads while minimizing friction in high velocity blower assemblies and motor drive shafts. This industrial grade pillow block