1 Scope
   1.1 Applicability
   1.2 Limitations
2 Responsibility
   2.1 Users
   2.2 Rating Factors
   2.3 Metallurgy
   2.4 Residual Stress
   2.5 System Analysis
3 Definitions and Symbols
   3.1 Definitions
   3.2 Symbols
4 Gear Rating
   4.1 Peak Torque Rating
   4.2 Gear Rating Terms
   4.3 Pitting Resistance Rating
   4.4 Bending Strength Rating
   4.5 Static Torque Rating
5 Components
   5.1 Component Design
   5.2 Housing
   5.3 Bearings
   5.4 Shafting
   5.5 Keys
   5.6 Threaded Fasteners
   5.7 Special Seals and Breathers
6 Lubrication and Lubricants
   6.1 General
   6.2 Viscosity
   6.3 Lubrication Recommendations
   6.4 Low Temperature Operation
   6.5 Lubricant Types
   6.6 Lubricant Maintenance
7 Marking
   7.1 Minimum Data
   7.2 Official Seal