Oringaero.fr

O-RING · NBR

O-ring 40.2 × 5.3 mm · NBR 60 · 20B6

O-ring with an inside diameter of 40.2 mm and a cross-section of 5.3 mm (40.2x5.3), in NBR 60 Shore A to NF L 17-120 (material code 20B6). Nominal outside diameter 50.8 mm, weight 3.942 g.

Oringaero referenceOA-20B6-40.2X5.3
Material code20B6 — NBR
Material standardNF L 17-120
Hardness60 Shore A
Inside Ø40.2 ± 0.36 mm
Cross-section5.3 ± 0.13 mm
Nominal outside Ø50.8 mm
ColourBlack
Weight3.942 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 20B6: tensile strength 14.2 MPa, elongation at break 342 %, compression set 19.3 % (70 h at 100 °C), density 1.25 g/cm³.

Tolerances, surface imperfections and storage →