Industrial MX2 7 8 M278 Flexible Shaft Coupling

Description:

The Industrial MX2-7/8 M278 Flexible Shaft 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 shaft coupling for equipment replacement, drive system maintenance, machinery retrofits, and new power transmission installations.

Applications:

The Industrial MX2-7/8 M278 Flexible Shaft 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 dependable performance in demanding industrial applications.

Technical Specifications:

• Manufacturer: TB Wood's (Regal Rexnord)
• Model / Part Number: MX2-7/8 (M278)
• Product Type: Flexible Shaft Coupling / QD Bushing
• Bushing Series: Sure-Grip® M 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: High-Strength Cast Iron
• Flange Outside Diameter: 9.125 in.
• Barrel Diameter: 5.188 in.
• Overall Length: 6.75 in.
• Bolt Circle Diameter: 7.875 in.
• Number of Cap Screws: 4
• Cap Screw Size: 3/4-10 × 6.75 in.
• Installation Torque: 225 ft-lb
• Torque Capacity: 125,000 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 M278
• Martin M2-7/8
• Dodge M2-7/8