Rexnord EF00878 E40HSU Omega Elastomeric Coupling Element, close-coupled design, heavy-duty high-speed universal (HSU) configuration. Standard urethane (orange) material. Continuous torque rating 4520 in-lb, max bore 2.5 in, element OD 6.62 in. Bore sizes 2.125 in and 2.25 in.

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)