Browning 3L170 Belt

The Browning 3L170 Belt is a professional-grade fractional horsepower (FHP) V-belt engineered specifically for high-reliability HVAC and light industrial drive systems. Featuring a 3L cross-section with a 3/8-inch top width and a 17-inch outside diameter, this wrapped V-belt utilizes a proprietary fabric cover that offers superior tolerance to slipping and misalignment compared to raw-edge alternatives. This industrial 3L170 drive belt is constructed with a synthetic rubber body reinforced by high-strength tensile cords, ensuring optimal power transmission in small sheave applications where flexibility is critical. As a Browning FHP belt, it excels in reducing vibration and noise levels, making it the preferred choice for 3/8 x 17 V-belt replacements in residential blowers, exhaust fans, and light-duty pumps. The smooth, wrapped exterior acts as a mechanical buffer against torque spikes, extending the service life of both the belt and the motor bearings in demanding environments.

Key Benefits:

• High Misalignment Tolerance: The wrapped construction allows for minor pulley offsets without Premature failure, ensuring stable performance in less-than-ideal alignment conditions.
• Quiet Operation: Engineered to minimize noise, which is essential for 17-inch outside diameter belt applications in commercial and residential air handling units.
• Small Sheave Optimized: Specifically formulated for maximum flexibility, allowing the belt to wrap tightly around small diameter pulleys without internal cracking.
• Heat and Oil Resistance: Built with SBR rubber compounds that withstand typical ambient industrial contaminants and elevated operating temperatures.

Common Questions:

• What is the difference between the 3L170 pitch length and outside circumference? The 3L170 has a 17" outside circumference and a 16.3" pitch length. Proper tensioning should always be calculated based on the pitch line for accurate RPM transfer.
• Can this belt handle clutching applications? Yes, the fabric-wrapped design is better suited for clutching and frequent starts than notched belts because it allows for controlled slip without immediate glazing.
• Is the Browning 3L170 interchangeable with other brands? This is a standard RMA-sized belt; it can cross-reference with any 3L170 or 3/8" x 17" FHP belt from manufacturers like Gates, Dayco, or Carlisle, provided the duty cycle matches.

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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.