Lennox 94M99 Bearing

The Lennox 94M99 Bearing is a critical HVAC blower motor component designed for high-demand air handling applications. This 1-inch bore ball bearing facilitates smooth shaft rotation within the blower assembly, directly impacting the operational efficiency and noise levels of the furnace or air handler. Engineered as a genuine OEM replacement part, the 94M99 is technically identical to 94M9901 and serves as the original specification for numerous Lennox, Allied, and Armstrong units. For technicians performing maintenance on legacy systems, note that this part number has been superseded by the Lennox 20A83, which maintains the same 1" internal diameter and mounting geometry. The assembly typically includes a pre-lubricated bearing insert (Peer 205-16), an eccentric locking collar for secure shaft attachment, and a rubber insulator (RCR-16-75) to dampen vibration and prevent harmonic resonance through the cabinetry.

• Precision Fit: Features a verified 1" bore to ensure perfect alignment with HVAC blower shafts, reducing radial play.
• Vibration Isolation: Integrated heavy-duty rubber insulator absorbs mechanical hum and prevents premature wear on the motor housing.
• Simplified Installation: The eccentric locking collar design allows for a secure mechanical lock without over-tightening set screws into the shaft.
• Drop-in Replacement: Fully compatible with systems requiring Lennox 94M9901 or 100639-01, streamlining the truck stock for commercial HVAC contractors.

Is the 94M99 compatible with the newer 20A83 part number?
Yes, the 20A83 is the direct functional replacement for the 94M99. It retains the same 1-inch diameter and mounted ball bearing specifications required for Lennox blower assemblies.

What are the signs that this blower bearing needs replacement?
Technicians should look for high-pitched squealing, rhythmic grinding, or increased amperage draw at the blower motor, which often indicates bearing race failure or loss of internal lubrication.

Does this bearing include the locking collar?
This specific SKU is provided as a complete assembly, including the ball bearing insert and the eccentric locking collar to ensure the shaft is held firmly in place during high-RPM operation.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.