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O-RING · NBR

O-ring 47.29 × 2.62 mm · NBR 70 · 20A7

O-ring with an inside diameter of 47.29 mm and a cross-section of 2.62 mm (47.29x2.62), in NBR 70 Shore A to NF L 17-120 (material code 20A7). Nominal outside diameter 52.53 mm, weight 1.065 g. Reference 5331-14-458-3644.

Oringaero referenceOA-20A7-47.29X2.62
Material code20A7 — NBR
Material standardNF L 17-120
Hardness70 Shore A
Inside Ø47,29 ± 0,41 mm
Cross-section2,62 ± 0,08 mm
Nominal outside Ø52,53 mm
ColourBlack
Weight1.065 g
Continuous temperature¹−30 à +120 °C
Short-term temperature¹−30 à +140 °C
TolerancesISO 3601-1:2012 — class A, annex A
Surface imperfectionsISO 3601-3:2005 + Amd 1:2018 — grade N
Reference5331-14-458-3644

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.

Tolerances, surface imperfections and storage →