O-ring

mm inch

O-ring	Nominal	Upper Tolerance	Lower Tolerance
Inner Diameter
Cross Section Diameter
Coefficient of Thermal Expansion (k)
Operating Temperature (Tope)[℃]

Groove

Cylindrical Groove	Nominal	Upper Tolerance	Lower Tolerance
Shaft Diameter (d5)
Housing Diameter (d4)
Groove Bottom Diameter (d3)
Groove Width (w)
Groove Opening C (c1)
Groove Bottom R (r1)