O-RING · NBR
O-ring 50.17 × 5.33 mm · NBR 80 · 20A8
O-ring with an inside diameter of 50.17 mm and a cross-section of 5.33 mm (50.17x5.33), in NBR 80 Shore A to NF L 17-120 (material code 20A8). Nominal outside diameter 60.83 mm, weight 5.019 g. Reference 5331-14-246-8990.
| Oringaero reference | OA-20A8-50.17X5.33 |
|---|---|
| Material code | 20A8 — NBR |
| Material standard | NF L 17-120 |
| Hardness | 80 Shore A |
| Inside Ø | 50.17 ± 0.41 mm |
| Cross-section | 5.33 ± 0.13 mm |
| Nominal outside Ø | 60.83 mm |
| Colour | Black |
| Weight | 5.019 g |
| Continuous temperature¹ | −30 to +120 °C |
| Short-term temperature¹ | −30 to +140 °C |
| Tolerances | ISO 3601-1:2012 — class A, annex A |
| Surface imperfections | ISO 3601-3:2005 + Amd 1:2018 — grade N |
| Reference | 5331-14-246-8990, 5331-14-313-5500, 5331-14-590-0849 |
¹ Service temperatures to NF L 17-120; the short-term temperature applies to brief exposure.
- Manufacturer: JUNGA Ltd, EN 9100 certified
- Lead time: 2 to 4 weeks depending on quantity
- Packaging: individual bags, labelled to NF L
- Price: on quotation; state the conformity documents you need
Application and inspection
Mineral-based or synthetic-hydrocarbon hydraulic fluids.
Values measured at qualification of compound 20A8: tensile strength 18.3 MPa, elongation at break 225 %, compression set 29.3 % (70 h at 125 °C), density 1.29 g/cm³.