Description
The TB Woods 4J-1/2 is a Size 4, Type J Sure-Flex Plus coupler flange engineered for dependable flexible coupling performance in demanding power transmission applications. Constructed from sintered carbon steel, this flange delivers excellent strength, wear resistance, and dimensional consistency — making it a trusted choice for HVAC equipment, pumps, compressors, and other rotating machinery.
Key Features
- Size 4 Sure-Flex Plus Type J coupler flange
- Sintered carbon steel construction for durability and precision
- 1/2″ bore diameter for easy shaft fitment
- 1/8″ x 1/16″ keyseat for positive torque transmission
- Designed for use with TB Woods Sure-Flex Plus flexible coupling systems
- Accommodates misalignment to reduce vibration and extend equipment life
Product Specifications
- Brand: TB Woods
- SKU: 4J-1/2
- Coupling Size: 4
- Coupling Type: Type J Sure-Flex Plus
- Material: Sintered Carbon Steel
- Bore Diameter: 1/2″
- Keyseat: 1/8″ x 1/16″
Application
The Sure-Flex Plus series is widely used in HVAC and industrial applications where flexible shaft couplings are required to connect motors, pumps, blowers, and compressors. The Type J flange is a standard jaw-style element that pairs with a Sure-Flex sleeve to absorb shock loads, dampen vibration, and compensate for minor shaft misalignment — protecting both the driving and driven equipment from premature wear.
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