Oringaero.fr

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 referenceOA-20B8-40.95X2.62
Material code20B8 — NBR
Material standardNF L 17-120
Hardness80 Shore A
Inside Ø40.95 ± 0.36 mm
Cross-section2.62 ± 0.08 mm
Nominal outside Ø46.19 mm
ColourBlack
Weight0.952 g
Continuous temperature¹−50 to +100 °C
Short-term temperature¹−50 to +120 °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

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.

Tolerances, surface imperfections and storage →