Rexnord EF00977 E50HSU Omega Elastomeric Coupling Element, E50 size, heavy-duty high-speed universal design, 3.125 in bore, 7750 in-lb continuous torque, 7.89 in OD, standard urethane (orange), close-coupled style.

Omega close-coupled HSU (Hydrolytically Stable Urethane) elastomeric coupling consists of the unique split-in-half flex element and reversible hubs.

• Ideal for hot and humid, or caustic and acidic environments
• Phosphate coated anti-corrosive steel shoe option available (HSU-J)
• Available in Inch (Imperial) or Metric
• Hubs offered in rough, custom, or bushed designs
• Accommodates shaft diameters up to 9.00" (229 mm)
• Continuous torque loads up to 340,200 lb-in (38,442 Nm)
• Peak torque loads up to 850,500 lb-in (96,093 Nm)
• Available in 16 sizes from E2 to E140 (E2-M to E140-M metric)