Rexnord EG00831 ES40HSU Omega elastomeric coupling element, E40 size, 4520 in-lb continuous torque, 2.5 in max bore, 6.62 in OD. Spacer design with heavy-duty high-speed universal (HSU) construction. Standard urethane material. Bore A 1.25 in, Bore B 1.875 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
• 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