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SERIES XENGINEERING DATACoupling MisalignmentMaximum life and minimum maintenance for the coupling and connected machinery will result if couplings are accurately aligned. Couplinglife expectancy between initial alignment and maximum operating limits is a function of load, speed and lubrication. For applications requiringgreater misalignment, refer application details to our Application Engineers.ItemCoupling Size01 02 0310 (Nmax) 8520 7000 5000Max Speed(Rev/Min.)WithMisalignment(Degrees)0.25 Misalignment 7330 6160 44300.5 Misalignment 5900 5200 37800.75 Misalignment 4000 3410 26301 Misalignment 3300 2550 2200Angular Per Coupling Mesh 0.75 0.75 0.75AllowableMisalignmentParallel Offset (mm) ±0.20 ±0.20 ±0.35Equivalent AngularMisalignment Of TheParallel Offset Per Mesh0.65 0.41 0.63BacklashAngular (Radians)Linear(mm at Pitch Line Diameter).0118To .0274.267To .617.0077To .0183.254To .604.0130To .0200.566To .868ANGULAR MISALIGNMENTAngular misalignment is expressed in degrees and as thedifference between the value of X minus Y, as illustrated.PARALLEL OFFSET MISALIGNMENTParallel misalignment is the distance P between shaftcenterlines as shown.58