Browning AK74X1 Sheave
The Browning AK74X1 Sheave is a precision-engineered v-belt pulley designed for fractional horsepower (FHP) applications in demanding HVACR and industrial drive systems. Constructed from close grain cast iron, this single groove sheave is statically balanced to ensure vibration-free operation and extended bearing life. It features a 7.25-inch outside diameter and a 1-inch finished bore equipped with a standard 1/4" x 1/8" keyway and setscrew for secure shaft integration.
Engineered for versatility, the AK74X1 is fully compatible with 3L, 4L, and A section belts. When utilized with A-section belts, it provides a 7.20-inch pitch diameter, while 3L belts operate at a 6.66-inch datum. This cast iron sheave is an ideal choice for contractors looking to maintain original equipment performance in fan, pump, and blower assemblies. Note: To prevent premature drive failure, do not use this AK-series sheave with gripnotch belt ratings if the bore size is 1 inch or under.
Key Benefits- Statically Balanced: Each unit is balanced at the factory to minimize harmonic vibration and noise in high-velocity air handling units.
- Close Grain Cast Iron: High-density material allows for tighter machining tolerances and superior resistance to groove wear compared to stamped steel alternatives.
- Finished Bore Precision: Includes a factory-machined 1-inch bore with 1/4-inch keyway, ensuring a true fit on motor or blower shafts without the need for additional bushings.
- Tri-Belt Compatibility: Simplified inventory management with one part number that supports 3L, 4L, and A-section v-belts.
- Can I use a BX notched belt with this sheave? No. It is highly recommended to avoid using gripnotch or cogged belts with AK sheaves having a 1-inch bore or smaller, as the localized stresses can compromise drive integrity.
- What is the difference between Pitch Diameter and Outside Diameter for this part? The 7.25" OD is the total physical width, but the A-belt pitch diameter is 7.2", which is critical for calculating correct RPM ratios in your drive system.
- How do I prevent slipping? Ensure the 5/16-18 setscrew is tightened to approximately 90 in-lbs of torque and verify that the sheave grooves are free of debris or glaze before installation.
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: $81.28
-65%$81.28
$28.45Browning AK74X1 Sheave
The Browning AK74X1 Sheave is a precision-engineered v-belt pulley designed for fractional horsepower (FHP) applications in demanding HVACR and industrial drive systems. Constructed from close grain cast iron, this single groove sheave is statically balanced to ensure vibration-free operation and extended bearing life. It features a 7.25-inch outside diameter and a 1-inch finished bore equipped with a standard 1/4" x 1/8" keyway and setscrew for secure shaft integration.
Engineered for versatility, the AK74X1 is fully compatible with 3L, 4L, and A section belts. When utilized with A-section belts, it provides a 7.20-inch pitch diameter, while 3L belts operate at a 6.66-inch datum. This cast iron sheave is an ideal choice for contractors looking to maintain original equipment performance in fan, pump, and blower assemblies. Note: To prevent premature drive failure, do not use this AK-series sheave with gripnotch belt ratings if the bore size is 1 inch or under.
Key Benefits- Statically Balanced: Each unit is balanced at the factory to minimize harmonic vibration and noise in high-velocity air handling units.
- Close Grain Cast Iron: High-density material allows for tighter machining tolerances and superior resistance to groove wear compared to stamped steel alternatives.
- Finished Bore Precision: Includes a factory-machined 1-inch bore with 1/4-inch keyway, ensuring a true fit on motor or blower shafts without the need for additional bushings.
- Tri-Belt Compatibility: Simplified inventory management with one part number that supports 3L, 4L, and A-section v-belts.
- Can I use a BX notched belt with this sheave? No. It is highly recommended to avoid using gripnotch or cogged belts with AK sheaves having a 1-inch bore or smaller, as the localized stresses can compromise drive integrity.
- What is the difference between Pitch Diameter and Outside Diameter for this part? The 7.25" OD is the total physical width, but the A-belt pitch diameter is 7.2", which is critical for calculating correct RPM ratios in your drive system.
- How do I prevent slipping? Ensure the 5/16-18 setscrew is tightened to approximately 90 in-lbs of torque and verify that the sheave grooves are free of debris or glaze before installation.
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.
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Description
The Browning AK74X1 Sheave is a precision-engineered v-belt pulley designed for fractional horsepower (FHP) applications in demanding HVACR and industrial drive systems. Constructed from close grain cast iron, this single groove sheave is statically balanced to ensure vibration-free operation and extended bearing life. It features a 7.25-inch outside diameter and a 1-inch finished bore equipped with a standard 1/4" x 1/8" keyway and setscrew for secure shaft integration.
Engineered for versatility, the AK74X1 is fully compatible with 3L, 4L, and A section belts. When utilized with A-section belts, it provides a 7.20-inch pitch diameter, while 3L belts operate at a 6.66-inch datum. This cast iron sheave is an ideal choice for contractors looking to maintain original equipment performance in fan, pump, and blower assemblies. Note: To prevent premature drive failure, do not use this AK-series sheave with gripnotch belt ratings if the bore size is 1 inch or under.
Key Benefits- Statically Balanced: Each unit is balanced at the factory to minimize harmonic vibration and noise in high-velocity air handling units.
- Close Grain Cast Iron: High-density material allows for tighter machining tolerances and superior resistance to groove wear compared to stamped steel alternatives.
- Finished Bore Precision: Includes a factory-machined 1-inch bore with 1/4-inch keyway, ensuring a true fit on motor or blower shafts without the need for additional bushings.
- Tri-Belt Compatibility: Simplified inventory management with one part number that supports 3L, 4L, and A-section v-belts.
- Can I use a BX notched belt with this sheave? No. It is highly recommended to avoid using gripnotch or cogged belts with AK sheaves having a 1-inch bore or smaller, as the localized stresses can compromise drive integrity.
- What is the difference between Pitch Diameter and Outside Diameter for this part? The 7.25" OD is the total physical width, but the A-belt pitch diameter is 7.2", which is critical for calculating correct RPM ratios in your drive system.
- How do I prevent slipping? Ensure the 5/16-18 setscrew is tightened to approximately 90 in-lbs of torque and verify that the sheave grooves are free of debris or glaze before installation.
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.
