O-RING · NBR
O-ring 40.95 × 2.62 mm · NBR 80 · 20B8
O-ring with an inside diameter of 40.95 mm and a cross-section of 2.62 mm (40.95x2.62), in NBR 80 Shore A to NF L 17-120 (material code 20B8). Nominal outside diameter 46.19 mm, weight 0.952 g.
| Oringaero reference | OA-20B8-40.95X2.62 |
|---|---|
| Material code | 20B8 — NBR |
| Material standard | NF L 17-120 |
| Hardness | 80 Shore A |
| Inside Ø | 40.95 ± 0.36 mm |
| Cross-section | 2.62 ± 0.08 mm |
| Nominal outside Ø | 46.19 mm |
| Colour | Black |
| Weight | 0.952 g |
| Continuous temperature¹ | −50 to +100 °C |
| Short-term temperature¹ | −50 to +120 °C |
| Tolerances | ISO 3601-1:2012 — class A, annex A |
| Surface imperfections | ISO 3601-3:2005 + Amd 1:2018 — grade N |
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
Hydraulics; low-temperature variant.
Values measured at qualification of compound 20B8: tensile strength 14 MPa, elongation at break 166 %, compression set 12.7 % (70 h at 100 °C), density 1.29 g/cm³.

