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The CONTINENTAL CONTITECH 20039619 is a cogged V-belt in BX section profile, designed for high-torque power transmission in industrial and HVAC drive applications. Built with Fiber Reinforced Vytracord construction, this belt delivers reliable flex and strength under demanding load conditions. It carries a 116-inch outside length (114.80-inch internal length) and is rated for temperatures ranging from -40 degrees F to 140 degrees F (equivalent to -40 C to 60 C). The oil-resistant compound resists degradation in environments where fluid exposure is likely. HVAC technicians and mechanical contractors install this belt type on blower drive systems, compressor drives, and general industrial power transmission setups.
This BX113 cogged V-belt is suited for residential and commercial HVAC air handler drive assemblies, industrial fan drives, pump drives, and similar belt-driven equipment requiring a BX section profile. The cogged design reduces bending resistance and heat buildup compared to standard wrapped belts, making it a practical choice for drives running smaller-diameter sheaves. Installations where vibration dampening and energy efficiency are priorities benefit from the Torque-Flex style construction used in this belt.
Designed as a direct replacement for BX113 cross-reference belt number in BX section V-belt drive systems. Consult sheave specifications and OEM drive charts to confirm fitment before installation.
Belt replacement should be performed by a qualified HVAC technician or mechanical contractor. Always de-energize and lock out the equipment before removing the drive guard or old belt. Never force a belt onto a sheave with a pry bar, as this damages the cord structure. Adjust sheave centers to allow slack installation, then tension according to the equipment manufacturer's drive specification.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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