York S1-BRG001 Skymark Bearing 321894-708 and TK-540P models

and TK-540P models

erratic clicking from the solenoid

it replaces multiple legacy part numbers including S1-02624069000 and S1-02634034001

including GWB9 series models

or "no heat" calls resulting from a locked rotor or open motor winding

York S1-BRG001 Skymark Bearing 321894-708 and TK-540P modelsThe York S1 BRG001 Skymark Bearing is a precision manufactured OEM component designed for high performance integration within Skymark HVAC systems and commercial air handlers. This industrial fan pilot bearing is critical for maintaining the mechanical synchronization of the blower assembly, ensuring that the drive shaft rotates with minimal friction and zero axial play. For technicians servicing vertical or horizontal air units, the S1 BRG001 serves