TB Woods 6J-1 1/8 Flange

The TB Woods 6J-1 1/8 Flange is a high-performance Sure-Flex Plus power transmission component engineered for demanding HVACR and industrial applications. Built from high-strength cast iron, this Size 6 Type J coupler flange features a precision-machined 1 1/8 inch bore and a standard 1/4" x 1/8" keyseat for secure shaft mounting. This flexible sleeve coupling component is designed for a slip fit on standard shafts, allowing for high dimensional accuracy and simplified installation. With a 6,000 RPM maximum speed and a torque capacity of up to 1,800 in-lbs, it efficiently handles power loads in motors, pumps, and blowers.

The TB Woods 6J118 utilizes a 4-way flexing action to absorb heavy shock loads, vibration, and parallel or angular misalignment without the need for lubrication. The precision-machined outside diameter allows technicians to verify alignment using only a straightedge, eliminating the need for specialized tools. This bored-to-size coupling flange is fully compatible with EPDM and Neoprene sleeves, ensuring long-term reliability in varying temperature environments from -30°F to 275°F. For contractors overseeing power transmission maintenance, this cast iron coupling hub provides a robust, maintenance-free solution for critical mechanical drive systems.

• High Torque Capacity: Engineered for high-torque applications with up to 1,800 in-lbs rating to sustain heavy-duty HVACR motor starts.
• Equipment Protection: The 4-way flexing mechanism isolates vibration and absorbs misalignment, extending the life of connected bearings and seals.
• Rapid Installation: The bored-to-size design with dual setscrews (one over the keyway, one at 90 degrees) ensures a fast, secure fit on 1 1/8" shafts.
• Maintenance-Free: No lubrication or complex maintenance schedules required, significantly reducing downtime in industrial environments.
• Precision Alignment: Machined flange surfaces allow for easy parallel and angular alignment checks with standard calipers and straightedges.

Is the TB Woods 6J-1 1/8 compatible with Hytrel sleeves?
No, Type J cast iron flanges are specifically designed for use with EPDM or Neoprene sleeves. Hytrel sleeves require different flange types due to their higher torque and lower flexibility characteristics.

What is the maximum torque rating for this Size 6 flange?
The 6J flange is rated for 1,800 in-lbs of torque. When paired with Sure-Flex Plus EPDM or Neoprene sleeves, it offers a 30% increase in torque capacity over older standard sleeves.

What tools are required for alignment?
Because the flange is precision-machined, you only need a straightedge for parallel alignment and a set of calipers for angular alignment. No specialized laser tools are necessary for standard installations.

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.