Rexnord EG00546 ES20HSU Omega Elastomeric Coupling Element. This E20 size spacer element features a heavy-duty high-speed universal (HSU) design for applications requiring misalignment accommodation and shock absorption. It has a continuous torque rating of 1420 in-lb, a maximum bore of 1.75 in, and an element OD of 4.94 in. The element is made of standard urethane (orange) and has bore sizes of 1.375 in and 2.25 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