Browning 1VP71X 1 5/8 Sheave
The Browning 1VP71X 1 5/8 is a high-performance variable pitch sheave engineered for demanding air handling and industrial fan applications. Manufactured from high-grade cast iron, this single-groove component features a 7.10-inch outside diameter and a 1 5/8-inch fixed bore with a standard keyway. Designed for precise airflow balancing, the 1VP71X sheave offers an adjustable pitch range of 4.9 to 6.4 inches, allowing technicians to fine-tune fan speed and static pressure without changing pulleys. This versatile sheave is compatible with multiple V-belt profiles, including 4L, A, AX, 5L, B, BX, and BV belts. Its robust construction ensures long-term concentricity and minimizes vibration, which is critical for maintaining HVAC drive system integrity. Whether you are performing a field replacement or optimizing a blower assembly, the Browning 1VP71X provides the durability and granular adjustment required for professional-grade mechanical power transmission.
Key Benefits- Granular Speed Control: The adjustable pitch design allows for precise RPM tuning to meet specific CFM requirements.
- Cross-Belt Compatibility: Engineered to work seamlessly with A and B section belts, including cogged AX and BX varieties for higher efficiency.
- Durable Cast Iron Construction: Provides superior wear resistance and thermal stability compared to lighter-duty aluminum alternatives.
- Precision Machined Bore: The 1 5/8 inch fixed bore ensures a secure fit on the motor shaft, reducing harmonic vibration and shaft wear.
What belt sizes work with the Browning 1VP71X?
This sheave is dual-rated for both A-section (4L, A, AX) and B-section (5L, B, BX, BV) V-belts, providing significant flexibility for various HVAC drive configurations.
How do I adjust the pitch on this variable speed pulley?
To adjust the pitch diameter, loosen the set screws on the moving flange, rotate the flange to the desired width, and re-tighten. Ensure the set screws are seated on the flat portion of the hub threads to prevent damage.
Can this sheave be used on a 1.625-inch motor shaft?
Yes, the 1 5/8 inch bore is the decimal equivalent of 1.625 inches, making it a direct fit for standard NEMA frame motors with that shaft diameter.
This item is not eligible for free shipping.
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.
Original: $289.89
-65%$289.89
$101.46Product Information
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Description
The Browning 1VP71X 1 5/8 is a high-performance variable pitch sheave engineered for demanding air handling and industrial fan applications. Manufactured from high-grade cast iron, this single-groove component features a 7.10-inch outside diameter and a 1 5/8-inch fixed bore with a standard keyway. Designed for precise airflow balancing, the 1VP71X sheave offers an adjustable pitch range of 4.9 to 6.4 inches, allowing technicians to fine-tune fan speed and static pressure without changing pulleys. This versatile sheave is compatible with multiple V-belt profiles, including 4L, A, AX, 5L, B, BX, and BV belts. Its robust construction ensures long-term concentricity and minimizes vibration, which is critical for maintaining HVAC drive system integrity. Whether you are performing a field replacement or optimizing a blower assembly, the Browning 1VP71X provides the durability and granular adjustment required for professional-grade mechanical power transmission.
Key Benefits- Granular Speed Control: The adjustable pitch design allows for precise RPM tuning to meet specific CFM requirements.
- Cross-Belt Compatibility: Engineered to work seamlessly with A and B section belts, including cogged AX and BX varieties for higher efficiency.
- Durable Cast Iron Construction: Provides superior wear resistance and thermal stability compared to lighter-duty aluminum alternatives.
- Precision Machined Bore: The 1 5/8 inch fixed bore ensures a secure fit on the motor shaft, reducing harmonic vibration and shaft wear.
What belt sizes work with the Browning 1VP71X?
This sheave is dual-rated for both A-section (4L, A, AX) and B-section (5L, B, BX, BV) V-belts, providing significant flexibility for various HVAC drive configurations.
How do I adjust the pitch on this variable speed pulley?
To adjust the pitch diameter, loosen the set screws on the moving flange, rotate the flange to the desired width, and re-tighten. Ensure the set screws are seated on the flat portion of the hub threads to prevent damage.
Can this sheave be used on a 1.625-inch motor shaft?
Yes, the 1 5/8 inch bore is the decimal equivalent of 1.625 inches, making it a direct fit for standard NEMA frame motors with that shaft diameter.
This item is not eligible for free shipping.
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.
