BS ISO 6336-6:2019 Calculation of load capacity of spur and helical gears Calculation of service life under variable load

Failure (mechanical)
Spur gears
Factor of safety
Life (durability)
Load capacity
Helical gears
Stress
Mechanical transmission systems
Mathematical calculations
Mechanical shock
Gear drives
Strength of materials
Design calculations

Link: BS ISO 6336-6:2019 Calculation of load capacity of spur and helical gears Calculation of service life under variable load
Source: BSI Standards

BS ISO 6336-3:2019 Calculation of load capacity of spur and helical gears Calculation of tooth bending strength

Mechanical transmission systems
Gear parameters
Mathematical calculations
Load capacity
Strength of materials
Formulae (mathematics)
Helical gears
Error correction
Design calculations
Gear drives
Thickness
Stress analysis
Spur gears

Link: BS ISO 6336-3:2019 Calculation of load capacity of spur and helical gears Calculation of tooth bending strength
Source: BSI Standards