Symbols, units and abbreviated termsPitting damage — General aspectsAcceptable versus unacceptable pittingAssessment requirementsGeneral rating procedureGear flank rating formulae — Method B1Contact stress formulaPermissible contact stressCalculated safety factor for contact stressContact stress factorsLoad sharing factor, ZBevel gear factor, ZPermissible contact stress factorsGear flank rating formulae — Method B2Contact stress formulaPermissible contact stressCalculated safety factor for contact stressContact stress factorsPitting resistance geometry factor, ZRadius of relative profile curvature, ρ, and load sharing ratio at critical point, εFace width factor, ZContact stress adjustment factor, ZFactors for contact stress and permissible contact stress common for method B1 and method B2Lubricant film influence factors, Z, Z, ZMethod BLubricant factor, ZRoughness factor, ZMethod C (product of Z, Z and Z)Work hardening factor, ZBevel slip factor Z — Method B1 (informative)