Rexnord Omega EG00961 ES50HSU spacer elastomeric coupling element. This E50 size heavy-duty high-speed universal (HSU) element has a 2.125" bore on one side and a 3.625" bore on the other. It is made of standard urethane (orange) and rated for 7750 in-lb continuous torque with a maximum bore of 2.75" and an element OD of 7.89".

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