Oringaero.fr

O-RING · NBR

O-ring 183.82 × 6.99 mm · NBR 80 · 20A8

O-ring with an inside diameter of 183.82 mm and a cross-section of 6.99 mm (183.82x6.99), in NBR 80 Shore A to NF L 17-120 (material code 20A8). Nominal outside diameter 197.8 mm, weight 29.675 g.

Oringaero referenceOA-20A8-183.82X6.99
Material code20A8 — NBR
Material standardNF L 17-120
Hardness80 Shore A
Inside Ø183.82 ± 1.14 mm
Cross-section6.99 ± 0.15 mm
Nominal outside Ø197.8 mm
ColourBlack
Weight29.675 g
Continuous temperature¹−30 to +120 °C
Short-term temperature¹−30 to +140 °C
TolerancesISO 3601-1:2012 — class A, annex A
Surface imperfectionsISO 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

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.

Tolerances, surface imperfections and storage →