Rexnord Omega EG00704 ES30HSU spacer elastomeric coupling element. This heavy-duty high-speed universal (HSU) element fits E30 size couplings with a continuous torque rating of 2495 in-lb and a maximum bore of 2.25 in. The element has a 1.5 in bore on one side and a 2.6875 in bore on the other, with a standard urethane (orange) material. Element OD is 5.78 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