Rexnord-Stephan S4 Catalogue

04-2007 3P0200-XX7. Technical Appendix7 Technical Appendix7.1 Technical Appendix, General7.1.1 Symbols usedFormula signCcos ndFF 2F bF mF rNF rN-GF pf rF rF xF xNF ziI Ai exi NI nJ1J2J3JEJ zusMmM bM bnηn 1n 2n 2exLpn maxn synPP aP mP NP zoDescriptionCorrection factorPower factorSpeed of runnerApplication factorFactor dependent upon stray mass moment of inertiaFactor dependent upon output and operating timeFactor dependent upon load torquePermissible rated external loadPermissible rated external load for reinforced bearingCalculated radial loadFactor for the radial loadCalculated radial load (N)Axial loadRated axial loadDependent upon additional mass moment of inertiaGear ratioStarting currentExact gear ratioRated gear ratioRated currentInertia of brake hub and brake diskInertia of the motor without brakeInertia of the motor with brakeInertia of the motorInertia of the additional massMass acceleration factorMassCalculated bending momentRated bending momentEfficiencyRated speed of the motorSelection of the output speedExact speed of output shaft (full load)Mean sound pressure level at 1 m, without loadMax. permissible speedSynchronous speed of the motorMechanical rated output of the gear unitOutput powerMotor outputRated switching capacity (motor brake)Drive power7T1