Rexnord Omega EG00872 ES40HSU spacer elastomeric coupling element. This heavy-duty high-speed universal (HSU) element is designed for the E40 coupling size with a continuous torque rating of 4,520 in-lb and a maximum bore of 2.5 inches. The element has a 1.875-inch bore on one side and a 2.375-inch bore on the other, with an outer diameter of 6.62 inches. It is made from standard orange urethane.

Omega Spacer 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
• Hubs offered in rough, custom, or bushed designs
• Accommodates shaft diameters up to 6.00" (152 mm)
• Continuous torque loads up to 39, 500 lb-in (4, 463 Nm)
• Peak torque loads up to 96, 250 lb-in (11, 157 Nm)
• Features optional hole mounting positions and reversible hubs to accommodate most shaft spacing requirements