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O-RING · CR

O-ring 26.2 × 3.6 mm · CR 60 · 31B6

O-ring with an inside diameter of 26.2 mm and a cross-section of 3.6 mm (26.2x3.6), in CR 60 Shore A to NF L 17-131 (material code 31B6). Nominal outside diameter 33.4 mm, weight 1.306 g.

Oringaero referenceOA-31B6-26.2X3.6
Material code31B6 — CR
Material standardNF L 17-131
Hardness60 Shore A
Inside Ø26.2 ± 0.25 mm
Cross-section3.6 ± 0.10 mm
Nominal outside Ø33.4 mm
ColourBlack
Weight1.306 g
Continuous temperature¹−40 to +100 °C
Short-term temperature¹−40 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 17-131; 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

Weathering agents and some petroleum lubricants.

Values measured at qualification of compound 31B6: tensile strength 14.6 MPa, elongation at break 303 %, compression set 40.0 % (70 h at 100 °C), density 1.37 g/cm³.

Tolerances, surface imperfections and storage →