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O-RING · NBR

O-ring 135 × 3 mm · NBR 70 · 23B7

O-ring with an inside diameter of 135 mm and a cross-section of 3 mm (135x3), in NBR 70 Shore A to NF L 17-123 (material code 23B7). Nominal outside diameter 141 mm, weight 4.106 g.

Oringaero referenceOA-23B7-135X3
Material code23B7 — NBR
Material standardNF L 17-123
Hardness70 Shore A
Inside Ø135 ± 0.89 mm
Cross-section3 ± 0.08 mm
Nominal outside Ø141 mm
ColourBlack
Weight4.106 g
Continuous temperature¹−50 to +120 °C
Short-term temperature¹−50 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 17-123; 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

Diester lubricants.

Values measured at qualification of compound 23B7: tensile strength 11.8 MPa, elongation at break 267 %, compression set 22.7 % (70 h at 125 °C), density 1.34 g/cm³.

Tolerances, surface imperfections and storage →