
Browning 2TB66 Sheave
The Browning 2TB66 Sheave is a precision-machined heavy-duty cast iron pulley designed for high-torque power transmission in HVACR and industrial blower applications. This dual groove TB gripbelt sheave features a 6.95-inch outside diameter and is engineered for use with P1 Series Bushings, providing a secure, split-taper interface that minimizes shaft slippage. Optimized for versatility, the 2TB66 is compatible with A, AX, B, and BX cross-section V-belts, allowing for flexible drive configurations depending on load requirements. The balanced construction ensures reduced vibration and extended bearing life for the motor and driven components. As a fixed pitch sheave, it maintains consistent RPM ratios across high-static pressure systems. Its robust cast iron V-belt pulley design provides the thermal stability needed for continuous duty cycles in commercial air handlers and refrigeration condensing units. Technicians can rely on the Browning 2TB66 for precise alignment and efficient energy transfer in demanding mechanical environments.
Key Benefits
- Multi-Belt Compatibility: Engineered to accept A, AX, B, and BX belts, allowing for seamless integration with existing drive belts or high-efficiency cogged upgrades.
- P1 Bushing System: Utilizes the P1 split taper bushing for superior concentricity and ease of installation or removal during maintenance.
- Optimized Diameter: The 6.95" OD provides a specific pitch diameter of 6.2" for B belts and 5.8" for A belts, ideal for fine-tuning blower speeds.
- Industrial Durability: Constructed from high-tensile cast iron to resist wear and maintain groove integrity under heavy startup loads.
Common Questions
What is the difference between A and B belt fitment on the 2TB66?
This sheave is a "combination" groove. When using B or BX belts, the belt sits higher in the groove (6.6" datum diameter), whereas A or AX belts sit deeper (6.2" datum diameter). Always adjust your center distance and motor base tension accordingly when switching belt types.
Does this sheave come with the P1 bushing?
No, the Browning 2TB66 requires a separate P1 bushing. This allows you to select the exact bore size (ranging from 1/2" to 1-3/4") needed for your motor or fan shaft.
Can this be used for high-speed exhaust fans?
Yes, provided the RPM does not exceed the maximum rated rim speed for Class 30 cast iron. Ensure the drive is properly aligned to prevent premature V-belt wear.
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 2TB66 Sheave
The Browning 2TB66 Sheave is a precision-machined heavy-duty cast iron pulley designed for high-torque power transmission in HVACR and industrial blower applications. This dual groove TB gripbelt sheave features a 6.95-inch outside diameter and is engineered for use with P1 Series Bushings, providing a secure, split-taper interface that minimizes shaft slippage. Optimized for versatility, the 2TB66 is compatible with A, AX, B, and BX cross-section V-belts, allowing for flexible drive configurations depending on load requirements. The balanced construction ensures reduced vibration and extended bearing life for the motor and driven components. As a fixed pitch sheave, it maintains consistent RPM ratios across high-static pressure systems. Its robust cast iron V-belt pulley design provides the thermal stability needed for continuous duty cycles in commercial air handlers and refrigeration condensing units. Technicians can rely on the Browning 2TB66 for precise alignment and efficient energy transfer in demanding mechanical environments.
Key Benefits
- Multi-Belt Compatibility: Engineered to accept A, AX, B, and BX belts, allowing for seamless integration with existing drive belts or high-efficiency cogged upgrades.
- P1 Bushing System: Utilizes the P1 split taper bushing for superior concentricity and ease of installation or removal during maintenance.
- Optimized Diameter: The 6.95" OD provides a specific pitch diameter of 6.2" for B belts and 5.8" for A belts, ideal for fine-tuning blower speeds.
- Industrial Durability: Constructed from high-tensile cast iron to resist wear and maintain groove integrity under heavy startup loads.
Common Questions
What is the difference between A and B belt fitment on the 2TB66?
This sheave is a "combination" groove. When using B or BX belts, the belt sits higher in the groove (6.6" datum diameter), whereas A or AX belts sit deeper (6.2" datum diameter). Always adjust your center distance and motor base tension accordingly when switching belt types.
Does this sheave come with the P1 bushing?
No, the Browning 2TB66 requires a separate P1 bushing. This allows you to select the exact bore size (ranging from 1/2" to 1-3/4") needed for your motor or fan shaft.
Can this be used for high-speed exhaust fans?
Yes, provided the RPM does not exceed the maximum rated rim speed for Class 30 cast iron. Ensure the drive is properly aligned to prevent premature V-belt wear.
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 2TB66 Sheave is a precision-machined heavy-duty cast iron pulley designed for high-torque power transmission in HVACR and industrial blower applications. This dual groove TB gripbelt sheave features a 6.95-inch outside diameter and is engineered for use with P1 Series Bushings, providing a secure, split-taper interface that minimizes shaft slippage. Optimized for versatility, the 2TB66 is compatible with A, AX, B, and BX cross-section V-belts, allowing for flexible drive configurations depending on load requirements. The balanced construction ensures reduced vibration and extended bearing life for the motor and driven components. As a fixed pitch sheave, it maintains consistent RPM ratios across high-static pressure systems. Its robust cast iron V-belt pulley design provides the thermal stability needed for continuous duty cycles in commercial air handlers and refrigeration condensing units. Technicians can rely on the Browning 2TB66 for precise alignment and efficient energy transfer in demanding mechanical environments.
Key Benefits
- Multi-Belt Compatibility: Engineered to accept A, AX, B, and BX belts, allowing for seamless integration with existing drive belts or high-efficiency cogged upgrades.
- P1 Bushing System: Utilizes the P1 split taper bushing for superior concentricity and ease of installation or removal during maintenance.
- Optimized Diameter: The 6.95" OD provides a specific pitch diameter of 6.2" for B belts and 5.8" for A belts, ideal for fine-tuning blower speeds.
- Industrial Durability: Constructed from high-tensile cast iron to resist wear and maintain groove integrity under heavy startup loads.
Common Questions
What is the difference between A and B belt fitment on the 2TB66?
This sheave is a "combination" groove. When using B or BX belts, the belt sits higher in the groove (6.6" datum diameter), whereas A or AX belts sit deeper (6.2" datum diameter). Always adjust your center distance and motor base tension accordingly when switching belt types.
Does this sheave come with the P1 bushing?
No, the Browning 2TB66 requires a separate P1 bushing. This allows you to select the exact bore size (ranging from 1/2" to 1-3/4") needed for your motor or fan shaft.
Can this be used for high-speed exhaust fans?
Yes, provided the RPM does not exceed the maximum rated rim speed for Class 30 cast iron. Ensure the drive is properly aligned to prevent premature V-belt wear.
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.












