Rexnord EG00513 ES20HSU Omega Elastomeric Coupling Element is a spacer-style, heavy-duty high-speed universal (HSU) element for E20 size couplings. It features standard urethane construction, 1.125" and 1.625" bores, continuous torque rating of 1420 in-lb, and a maximum bore of 1.75" with an element OD of 4.94".

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