Rexnord EG00377 ES10HSU Omega Elastomeric Coupling Element. This ES10HSU spacer heavy-duty high-speed universal element is designed for the E10 coupling size with a continuous torque rating of 760 in-lb. It features a 1 in bore on one side and a 1.6875 in bore on the other, with a maximum bore capacity of 1.5 in and an element outer diameter of 4.13 in. The element is constructed from standard urethane (orange) material.

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