The 40A rating applies to inductive loads like compressor motors

These figures represent the temperature differential

Built from high-strength cast iron with a durable powder-coated finish

ensuring the combustion blower is pulling sufficient vacuum before allowing the ignition sequence to proceed

Achieves NEMA 4X environmental protection when installed with the high-grade nitrile rubber gasket

Lennox 86H56 Ball Bearing The 40A rating applies toStandardize your blower assembly or motor mount with the Lennox 86H56, a high performance rubber mounted cartridge ball bearing engineered for heavy duty HVAC applications. This OEM Lennox replacement part features a precise 1 inch bore diameter and is physically identical to the Lennox 86H5601. Designed by Timken (Model RCSM 1 A4233), this bearing assembly includes a secure locking collar to ensure positive shaft retention and eliminate slippage