Rexnord EG00531 ES20HSU Omega Elastomeric Coupling Element. This ES20HSU is a spacer-style, heavy-duty high-speed universal element with a base size of E20. It features standard urethane construction and provides 1420 in-lb continuous torque with a maximum bore of 1.75 inches and an element OD of 4.94 inches. Bore configuration is 1.25 inches on side A and 2 inches on side B.

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
• 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)
• Features optional hole mounting positions and reversible hubs to accommodate most shaft spacing requirements