Technical Data & O-Ring Calculator
Instant access to standard O-ring groove dimensions, tolerances, chemical compatibility matrix, and engineering PDF guides.
O-Ring Standard Size & Housing Calculator
Inner diameter, cross-section, and recommended static/dynamic groove depths for AS568 and Metric (DIN 3771).
| Standard | Standard Code | Inner Dia (d1) | Cross-Section (d2) | Static Groove | Dynamic Groove | Action |
|---|---|---|---|---|---|---|
| AS568 | 2-006 | 2.90 mm | 1.78 mm | 1.30 mm | 1.45 mm | |
| AS568 | 2-010 | 6.07 mm | 1.78 mm | 1.30 mm | 1.45 mm | |
| AS568 | 2-014 | 12.42 mm | 1.78 mm | 1.30 mm | 1.45 mm | |
| AS568 | 2-110 | 9.19 mm | 2.62 mm | 2.05 mm | 2.25 mm | |
| AS568 | 2-114 | 15.54 mm | 2.62 mm | 2.05 mm | 2.25 mm | |
| AS568 | 2-118 | 21.89 mm | 2.62 mm | 2.05 mm | 2.25 mm | |
| AS568 | 2-210 | 18.64 mm | 3.53 mm | 2.80 mm | 3.05 mm | |
| AS568 | 2-214 | 24.99 mm | 3.53 mm | 2.80 mm | 3.05 mm | |
| AS568 | 2-222 | 37.69 mm | 3.53 mm | 2.80 mm | 3.05 mm | |
| AS568 | 2-325 | 37.47 mm | 5.33 mm | 4.35 mm | 4.65 mm | |
| AS568 | 2-330 | 53.34 mm | 5.33 mm | 4.35 mm | 4.65 mm | |
| AS568 | 2-425 | 113.67 mm | 6.99 mm | 5.80 mm | 6.15 mm | |
| Metric / DIN | M-010 | 10.00 mm | 2.00 mm | 1.50 mm | 1.70 mm | |
| Metric / DIN | M-015 | 15.00 mm | 2.50 mm | 1.95 mm | 2.15 mm | |
| Metric / DIN | M-020 | 20.00 mm | 3.00 mm | 2.35 mm | 2.60 mm | |
| Metric / DIN | M-025 | 25.00 mm | 3.50 mm | 2.75 mm | 3.05 mm | |
| Metric / DIN | M-030 | 30.00 mm | 4.00 mm | 3.15 mm | 3.50 mm | |
| Metric / DIN | M-040 | 40.00 mm | 5.00 mm | 4.05 mm | 4.40 mm | |
| Metric / DIN | M-050 | 50.00 mm | 5.00 mm | 4.05 mm | 4.40 mm |
Chemical Fluid Compatibility Matrix
Behavior of NBR, HNBR, FKM, Silicone, PU, EPDM, and PTFE against 11 primary fluid categories.
| Chemical / Fluid Name | Category | NBR | HNBR | FKM | VMQ | PU | EPDM | PTFE |
|---|---|---|---|---|---|---|---|---|
| Mineral Oils & Greases | Oils & Fluids | A | A | A | B | A | D | A |
| Hydraulic Fluids (HLP, HM) | Oils & Fluids | A | A | A | C | A | D | A |
| Brake Fluid (DOT 3, DOT 4, DOT 5.1) | Automotive Fluids | D | D | D | B | D | A | A |
| Diesel & Heavy Fuel Oil | Fuels | A | A | A | D | B | D | A |
| Gasoline (Unleaded / Additive) | Fuels | B | A | A | D | C | D | A |
| Hot Water (> 100°C) & Steam | Water & Steam | D | B | B | B | D | A | A |
| Cold Water & Potable Water | Water & Steam | A | A | A | A | A | A | A |
| Ozone & Ambient Atmosphere | Environmental Conditions | D | A | A | A | A | A | A |
| Strong Acids (Sulfuric, Nitric etc.) | Chemicals | D | D | A | C | D | B | A |
| Strong Alkalis (Sodium Hydroxide etc.) | Chemicals | C | B | C | B | D | A | A |
| Ketones (Acetone, MEK) | Solvents | D | D | D | D | D | A | A |
Technical Data Sheets & Standards
Download standard dimensional tables, groove tolerance blueprints, and thermal resistance charts for your design workshop.
O-Ring Standard Dimensions
Complete AS568, DIN 3771, and Metric dimensional tables and tolerance limits.
Download PDF →O-Ring Service Kits
Prepared O-ring box contents and size assortments for maintenance and service teams.
Download PDF →Extruded O-Ring Cord Sizes
Dimensions and profiles for vulcanized and spliced cord seals sold per meter.
Download PDF →Temperature Operating Range Chart
Continuous and intermittent thermal operating ceilings for all major elastomer families.
Download PDF →