Browning BK50H Sheave
The Browning BK50H Sheave is a precision-engineered single groove cast iron pulley designed for high-torque power transmission in commercial HVACR systems. With a 4.75" outside diameter and a 4.4" datum diameter for B belts (3.8" for A belts), this component is cross-compatible with 4L, 5L, A, and B series belts. It is built for a split-taper interface, specifically requiring Browning H Series bushings to ensure a secure, slip-free fit on various motor shaft diameters. The ASTM Grade 35-40 cast iron construction provides superior wear resistance and vibration dampening compared to lighter-duty pressed steel alternatives. This BK cast iron sheave is dynamically balanced to reduce bearing loads and minimize mechanical noise in high-speed blower and compressor applications. Its robust design ensures reliable performance in demanding environments, making it a standard replacement part for contractors managing heavy-duty air handling units.
Key Benefits for Technicians- Universal Belt Compatibility: Engineered to accept 4L, 5L, A, and B belt profiles, reducing the need for extensive truck stock.
- Split-Taper Design: Utilizes H-series bushings for concentric mounting, preventing shaft damage and simplifying removal.
- High Tensile Strength: The BK50H features a solid cast iron body that resists deformation under high tension.
- Precision Machining: Ensures optimized sheave alignment and decreases friction-induced belt wear.
- Corrosion Resistance: Finished with a protective coating to withstand moisture and harsh mechanical room conditions.
What is the maximum RPM for the BK50H?
This cast iron pulley is rated for standard industrial motor speeds; however, rim speeds should not exceed 6,500 feet per minute for safety and longevity.
Can I use a fixed-bore bushing with this sheave?
No, this unit is specifically machined for the tapered H-bushing system. Using a non-compatible bushing will result in improper seating and potential component failure.
Is the BK50H suitable for fractional horsepower motors?
Yes, it is frequently utilized in HVAC blower motors and exhaust fans where a 4.75 inch OD sheave is required for specific CFM adjustments.
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: $62.61
-65%$62.61
$21.91Browning BK50H Sheave
The Browning BK50H Sheave is a precision-engineered single groove cast iron pulley designed for high-torque power transmission in commercial HVACR systems. With a 4.75" outside diameter and a 4.4" datum diameter for B belts (3.8" for A belts), this component is cross-compatible with 4L, 5L, A, and B series belts. It is built for a split-taper interface, specifically requiring Browning H Series bushings to ensure a secure, slip-free fit on various motor shaft diameters. The ASTM Grade 35-40 cast iron construction provides superior wear resistance and vibration dampening compared to lighter-duty pressed steel alternatives. This BK cast iron sheave is dynamically balanced to reduce bearing loads and minimize mechanical noise in high-speed blower and compressor applications. Its robust design ensures reliable performance in demanding environments, making it a standard replacement part for contractors managing heavy-duty air handling units.
Key Benefits for Technicians- Universal Belt Compatibility: Engineered to accept 4L, 5L, A, and B belt profiles, reducing the need for extensive truck stock.
- Split-Taper Design: Utilizes H-series bushings for concentric mounting, preventing shaft damage and simplifying removal.
- High Tensile Strength: The BK50H features a solid cast iron body that resists deformation under high tension.
- Precision Machining: Ensures optimized sheave alignment and decreases friction-induced belt wear.
- Corrosion Resistance: Finished with a protective coating to withstand moisture and harsh mechanical room conditions.
What is the maximum RPM for the BK50H?
This cast iron pulley is rated for standard industrial motor speeds; however, rim speeds should not exceed 6,500 feet per minute for safety and longevity.
Can I use a fixed-bore bushing with this sheave?
No, this unit is specifically machined for the tapered H-bushing system. Using a non-compatible bushing will result in improper seating and potential component failure.
Is the BK50H suitable for fractional horsepower motors?
Yes, it is frequently utilized in HVAC blower motors and exhaust fans where a 4.75 inch OD sheave is required for specific CFM adjustments.
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 BK50H Sheave is a precision-engineered single groove cast iron pulley designed for high-torque power transmission in commercial HVACR systems. With a 4.75" outside diameter and a 4.4" datum diameter for B belts (3.8" for A belts), this component is cross-compatible with 4L, 5L, A, and B series belts. It is built for a split-taper interface, specifically requiring Browning H Series bushings to ensure a secure, slip-free fit on various motor shaft diameters. The ASTM Grade 35-40 cast iron construction provides superior wear resistance and vibration dampening compared to lighter-duty pressed steel alternatives. This BK cast iron sheave is dynamically balanced to reduce bearing loads and minimize mechanical noise in high-speed blower and compressor applications. Its robust design ensures reliable performance in demanding environments, making it a standard replacement part for contractors managing heavy-duty air handling units.
Key Benefits for Technicians- Universal Belt Compatibility: Engineered to accept 4L, 5L, A, and B belt profiles, reducing the need for extensive truck stock.
- Split-Taper Design: Utilizes H-series bushings for concentric mounting, preventing shaft damage and simplifying removal.
- High Tensile Strength: The BK50H features a solid cast iron body that resists deformation under high tension.
- Precision Machining: Ensures optimized sheave alignment and decreases friction-induced belt wear.
- Corrosion Resistance: Finished with a protective coating to withstand moisture and harsh mechanical room conditions.
What is the maximum RPM for the BK50H?
This cast iron pulley is rated for standard industrial motor speeds; however, rim speeds should not exceed 6,500 feet per minute for safety and longevity.
Can I use a fixed-bore bushing with this sheave?
No, this unit is specifically machined for the tapered H-bushing system. Using a non-compatible bushing will result in improper seating and potential component failure.
Is the BK50H suitable for fractional horsepower motors?
Yes, it is frequently utilized in HVAC blower motors and exhaust fans where a 4.75 inch OD sheave is required for specific CFM adjustments.
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.
