
Browning 2BK50X 1 3/8 Sheave
The Browning 2BK50X 1 3/8 is a heavy-duty two groove BK cast iron sheave designed for reliable power transmission in industrial HVACR systems. Featuring a 4.75" outside diameter and a 1 3/8" fixed bore with standard keyway and setscrew, this pulley is engineered for precise shaft integration. Built from high-grade ASTM 35 or 40 cast iron, it provides the structural rigidity necessary to minimize vibration and extend the service life of both the motor and driven components. This dual-groove sheave is versatile, accommodating 4L, 5L, A, and B belts, making it a critical component for technicians maintaining air handlers, blowers, and exhaust fans. The machining ensures concentric rotation and optimal belt-to-groove contact, reducing slippage and heat buildup under high-torque loads. For contractors managing commercial drive systems, the 2BK50X cast iron pulley offers the durability required for 24/7 operations in demanding mechanical environments.
Key Benefits
- Dual Groove Design: Supports two-belt drive configurations for increased torque capacity and system redundancy.
- Broad Belt Compatibility: Designed for use with A and B series V-belts as well as 4L and 5L light-duty belts.
- Static Balance: Precision-machined cast iron construction ensures minimal vibration at standard operating speeds.
- Direct Bore Fit: The 1 3/8 inch fixed bore eliminates the need for separate bushings, simplifying installation on matching 1-3/8" motor shafts.
- Industrial Durability: Cast iron provides superior wear resistance compared to stamped steel alternatives in high-friction applications.
Common Questions
What is the effective pitch diameter for this sheave?
For the Browning 2BK50X, the pitch diameter varies by belt type: approximately 4.0" for A belts and 4.3" for B belts, ensuring proper drive ratios.
Can this pulley be used in high-static pressure blower applications?
Yes, the two-groove cast iron sheave is ideal for high-static loads where a single belt might slip or fail prematurely.
Does this sheave include the set screw?
Yes, this fixed bore sheave comes equipped with a standard setscrew over the keyway for secure attachment to the shaft.
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.
Browning 2BK50X 1 3/8 Sheave
The Browning 2BK50X 1 3/8 is a heavy-duty two groove BK cast iron sheave designed for reliable power transmission in industrial HVACR systems. Featuring a 4.75" outside diameter and a 1 3/8" fixed bore with standard keyway and setscrew, this pulley is engineered for precise shaft integration. Built from high-grade ASTM 35 or 40 cast iron, it provides the structural rigidity necessary to minimize vibration and extend the service life of both the motor and driven components. This dual-groove sheave is versatile, accommodating 4L, 5L, A, and B belts, making it a critical component for technicians maintaining air handlers, blowers, and exhaust fans. The machining ensures concentric rotation and optimal belt-to-groove contact, reducing slippage and heat buildup under high-torque loads. For contractors managing commercial drive systems, the 2BK50X cast iron pulley offers the durability required for 24/7 operations in demanding mechanical environments.
Key Benefits
- Dual Groove Design: Supports two-belt drive configurations for increased torque capacity and system redundancy.
- Broad Belt Compatibility: Designed for use with A and B series V-belts as well as 4L and 5L light-duty belts.
- Static Balance: Precision-machined cast iron construction ensures minimal vibration at standard operating speeds.
- Direct Bore Fit: The 1 3/8 inch fixed bore eliminates the need for separate bushings, simplifying installation on matching 1-3/8" motor shafts.
- Industrial Durability: Cast iron provides superior wear resistance compared to stamped steel alternatives in high-friction applications.
Common Questions
What is the effective pitch diameter for this sheave?
For the Browning 2BK50X, the pitch diameter varies by belt type: approximately 4.0" for A belts and 4.3" for B belts, ensuring proper drive ratios.
Can this pulley be used in high-static pressure blower applications?
Yes, the two-groove cast iron sheave is ideal for high-static loads where a single belt might slip or fail prematurely.
Does this sheave include the set screw?
Yes, this fixed bore sheave comes equipped with a standard setscrew over the keyway for secure attachment to the shaft.
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.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Browning 2BK50X 1 3/8 is a heavy-duty two groove BK cast iron sheave designed for reliable power transmission in industrial HVACR systems. Featuring a 4.75" outside diameter and a 1 3/8" fixed bore with standard keyway and setscrew, this pulley is engineered for precise shaft integration. Built from high-grade ASTM 35 or 40 cast iron, it provides the structural rigidity necessary to minimize vibration and extend the service life of both the motor and driven components. This dual-groove sheave is versatile, accommodating 4L, 5L, A, and B belts, making it a critical component for technicians maintaining air handlers, blowers, and exhaust fans. The machining ensures concentric rotation and optimal belt-to-groove contact, reducing slippage and heat buildup under high-torque loads. For contractors managing commercial drive systems, the 2BK50X cast iron pulley offers the durability required for 24/7 operations in demanding mechanical environments.
Key Benefits
- Dual Groove Design: Supports two-belt drive configurations for increased torque capacity and system redundancy.
- Broad Belt Compatibility: Designed for use with A and B series V-belts as well as 4L and 5L light-duty belts.
- Static Balance: Precision-machined cast iron construction ensures minimal vibration at standard operating speeds.
- Direct Bore Fit: The 1 3/8 inch fixed bore eliminates the need for separate bushings, simplifying installation on matching 1-3/8" motor shafts.
- Industrial Durability: Cast iron provides superior wear resistance compared to stamped steel alternatives in high-friction applications.
Common Questions
What is the effective pitch diameter for this sheave?
For the Browning 2BK50X, the pitch diameter varies by belt type: approximately 4.0" for A belts and 4.3" for B belts, ensuring proper drive ratios.
Can this pulley be used in high-static pressure blower applications?
Yes, the two-groove cast iron sheave is ideal for high-static loads where a single belt might slip or fail prematurely.
Does this sheave include the set screw?
Yes, this fixed bore sheave comes equipped with a standard setscrew over the keyway for secure attachment to the shaft.
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.












