O-RING · NBR
O-ring 8.9 × 1.9 mm · NBR 70 · 20A7
O-ring with an inside diameter of 8.9 mm and a cross-section of 1.9 mm (8.9x1.9), in NBR 70 Shore A to NF L 17-120 (material code 20A7). Nominal outside diameter 12.7 mm, weight 0.121 g. Reference 5331-14-452-5053.
| Oringaero reference | OA-20A7-8.9X1.9 |
|---|---|
| Material code | 20A7 — NBR |
| Material standard | NF L 17-120 |
| Hardness | 70 Shore A |
| Inside Ø | 8,9 ± 0,13 mm |
| Cross-section | 1,9 ± 0,08 mm |
| Nominal outside Ø | 12,7 mm |
| Colour | Black |
| Weight | 0.121 g |
| Continuous temperature¹ | −30 à +120 °C |
| Short-term temperature¹ | −30 à +140 °C |
| Tolerances | ISO 3601-1:2012 — class A, annex A |
| Surface imperfections | ISO 3601-3:2005 + Amd 1:2018 — grade N |
| Reference | 5331-14-452-5053 |
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 20A7: tensile strength 16.5 MPa, elongation at break 348 %, compression set 23.2 % (70 h at 125 °C), density 1.26 g/cm³.