The 2-1/2" x 2-1/2" Steel (Plain) PowerRing™ Rigid Shaft Coupling is designed to securely connect two aligned shafts for high-torque power transmission. Precision-machined from plain steel, it incorporates the Stafford PowerRing™ Shaft-Hub Lock design to transmit up to three times the torque of conventional clamp-type couplings without requiring keyways. Its balanced construction ensures smooth, high-speed operation with minimal vibration while maintaining precise shaft alignment and protecting shaft surfaces with a finished bore. Stocked In: Steel SPECIFICATIONS DETAILS PART NUMBER PXL208 DESIGN PowerRing™ Shaft-Hub Lock design delivers superior torque transmission MATERIAL Steel (Plain) It provides excellent strength, durability, and reliable performance for high-load shaft positioning applications. APPROXIMATE WEIGHT 24.66 lb ALLOY 1215 SERIES Solution COUNTRY ORIGIN USA UPC CODE 662786022722 ROHS2 COMPLIANT Yes REACH COMPLIANT Yes DIMENSIONAL ATTRIBUTES BORE SIZE A 2-1/2 in BORE SIZE B 2-1/2 in OUTSIDE DIAMETER 5.750 in TOTAL LENGTH 5.000 in SCREW SIZE M8 SCREW MATERIAL Alloy Steel APPLICATION Ideal for Power Transmission, Industrial Automation Systems, Electric Motors, Gearboxes, Conveyors, CNC Machines, Robotics, Pumps, Compressors, Shaft Alignment, Motion Control, Factory Automation, High-Speed Machinery, Precision Equipment BRAND Stafford Manufacturing