TB Wood's EX2 7 8 Industrial Flexible Coupling

Description:

The TB Wood's EX2-7/8 Industrial Flexible Coupling is used in industrial power transmission systems to securely connect rotating shafts while transmitting torque and accommodating shaft misalignment. Commonly installed in pumps, compressors, conveyors, fans, blowers, mixers, and other heavy-duty industrial machinery. Maintenance teams, OEMs, and system integrators use this flexible coupling for equipment replacement, drive system maintenance, machinery retrofits, and new power transmission installations.

Applications:

The TB Wood's EX2-7/8 Industrial Flexible Coupling is commonly used in industrial automation environments including conveyor systems, mining equipment, material handling machinery, HVAC systems, agricultural equipment, and manufacturing production lines where reliable torque transmission, vibration damping, and shaft alignment are essential. Its Sure-Grip® quick-detachable mounting design provides secure shaft attachment, simplified installation, and reduced maintenance downtime.

Technical Specifications:

• Manufacturer: TB Wood's (Regal Rexnord)
• Model / Part Number: EX2-7/8 (E278)
• Product Type: Industrial Flexible Coupling / QD Bushing
• Bushing Series: Sure-Grip® E Series
• Bushing Type: Quick Detachable (QD)
• Bore Diameter: 2-7/8 in.
• Bore Type: Finished Bore with Standard Keyway
• Keyway Size: 3/4 × 3/8 in.
• Material: Ductile Iron
• Flange Diameter: 6.00 in.
• Hub Diameter: 7-1/2 in.
• Barrel Diameter: 3.834 in.
• Overall Length: 2-5/8 in.
• Flange Thickness: 3/4 in.
• Bolt Circle Diameter: 5.00 in.
• Number of Bolt Holes: 3
• Cap Screw Size: 1/2-13 × 2-3/4 in.
• Torque Capacity: 20,000 in-lb
• Mounting Style: Conventional or Reverse Mounting
• Features: Split-through flange and taper, true clamp fit, reusable design, easy installation and removal
• Application Environment: Industrial power transmission systems

Common Replacements:

• TB Wood's E278
• Martin E2-7/8
• Browning E2-7/8