Rexnord Omega EG00566 ES20HSU spacer elastomeric coupling element. This heavy-duty high-speed universal (HSU) element fits E20 size couplings with a continuous torque rating of 1420 in-lb and a maximum bore of 1.75 in. The element is made of standard urethane (orange) and has an outer diameter of 4.94 in. Bore sizes are 1.625 in and 2.1875 in.

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
• 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 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)
• Available in 13 sizes from ES2 to ES80 (ES2-M to ES80-M metric)
• Features optional hole mounting positions and reversible hubs to accommodate most shaft spacing requirements