Rexnord EG00421 ES10HSU Omega Elastomeric Coupling Element is a spacer-style, heavy-duty high-speed universal (HSU) design for the E10 coupling size. It features standard urethane construction with 1.4375" and 1.875" bore diameters, delivering 760 in-lb continuous torque and a 4.13" element OD.

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