Description
The TB Woods 4JE is a single-piece EPDM solid sleeve insert engineered as a direct replacement or upgrade element for Size 4 Sure-Flex Plus flexible shaft couplers. Designed to absorb shock, dampen vibration, and accommodate minor shaft misalignment, this insert is an essential component in maintaining smooth, efficient power transmission across HVAC, pump, fan, and general industrial drive applications.
Material Advantages — EPDM Rubber
Constructed from EPDM (Ethylene Propylene Diene Monomer) elastomer, the 4JE sleeve insert delivers outstanding resistance to heat, ozone, weathering, and many common chemicals. EPDM’s inherent flexibility allows the insert to flex under load, protecting connected equipment from torsional shock and vibration while maintaining a secure, positive drive connection.
Single-Piece Solid Sleeve Design
The one-piece solid sleeve construction provides uniform load distribution around the full circumference of the coupling, ensuring consistent torque transmission and extended service life. This design simplifies installation and replacement — no special tools required — making maintenance fast and straightforward in the field.
Key Features
- Single-piece EPDM solid sleeve insert for Size 4 Sure-Flex Plus couplers
- EPDM elastomer construction for heat, ozone, and chemical resistance
- Absorbs shock loads and dampens torsional vibration
- Accommodates angular, parallel, and axial shaft misalignment
- Easy drop-in replacement — no special tools required
- Compatible with TB Woods Sure-Flex Plus Size 4 coupler hubs
- Suitable for HVAC, pump, fan, compressor, and general industrial drive applications
Applications
The TB Woods 4JE sleeve insert is ideal for use in HVAC systems, cooling towers, pumps, fans, blowers, compressors, and other rotating equipment where flexible shaft coupling is required. Its EPDM formulation makes it well-suited for both indoor and outdoor installations where exposure to heat and environmental elements is a concern.
Compatibility
- Designed for TB Woods Sure-Flex Plus Size 4 couplers
- Replaces worn or damaged sleeve inserts to restore coupling performance
- Must be used with matching Size 4 Sure-Flex Plus coupler hubs (sold separately)
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