O-ring calculator


Input values

Nominal SizeStandard/FitUpper
Tolerance
Limit
Lower
Tolerance
Limit
Max.
Dimensions
Min.
Dimensions
Piston-Ø d9 [mm]0.0000.0000.0000.000
Bore-Ø d4 [mm]0.0000.0000.0000.000
Groove-Ø d3 [mm]0.0000.0000.0000.000
Groove Width b [mm]recommanded0.2500.0000.2500.000
Groove Radius r1 [mm]recommanded0.100-0.1000.100-0.100
OR Inside-Ø d1 [mm]DIN ISO 36010.757-0.7570.757-0.757
OR Cross-Section-Ø d2 [mm]undefined0.0000.0000.0000.000
Material Group Application:
Pressure P [bar]
Temperature T [°C]ok
Thermal Expension Coefficient α [10^-6/K]175
Material Hardness [shore A]

Calculation results concentric

nominalmax.min.test result
Compression incl. R [%]0.0000.0000.000compression < 12%
Compression incl. R [mm]0.0000.0000.000
Housing Fill [%]0.0000.0000.000ok
OR Stretch [%]0.000-100.000-100.000Stretch too small
Groove Depth t0.0000.0000.000
Lead-in Chamfer 15° z [mm]0.000
Lead-in Chamfer 20° z [mm]0.000
Gap g [mm]0.0000.0000.000ok
max. allowed gap g [mm]0.000ok

Calculation results eccentric

max.min.test result
Compression incl. R [%]0.0000.000compression < 12%
Compression incl. R [mm]0.0000.000
Gap g [mm]0.0000.000ok

Legend

R = Reduction in cross section
OR = O-Ring

Calculation basis after DIN ISO 3601-2