Öhlins O-ring 50x2 NBR70Öhlins O-ring 50x2 NBR70
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part Number00438-44
CategoryO-Rings
Inner Diameter50 mm
Cross Section2 mm
MaterialNBR 70
Country of OriginSweden
DescriptionThe whole story▼

O-ring 50x2 NBR70, Öhlins part number 00438-44. The groove does half the work: the ring only seals if the groove is clean and undamaged.

Key Features

  • Material NBR 70
  • Inner Diameter 50 mm
  • Öhlins part number 00438-44
  • Original Öhlins service part
  • Cross Section 2 mm

Function

Öhlins publishes 50 mm, 2 mm, NBR 70 for 00438-44 — the dimensions are the identity of the part. Öhlins specifies the compound by position: NBR where oil is the concern, FKM where heat is. The dust seal does the hard work: it keeps the grit that would score the shaft away from the oil seal. Dust seals keep grit off the running surface; once they are torn, the oil seal behind them has a short life.

Original Öhlins Part

Öhlins numbers every position so a workshop can order precisely what it needs, not a whole assembly. Öhlins supports its suspension with individual service parts, which is why a fifteen-year-old damper can still be rebuilt to specification. If you are between two sizes, send us the measurement and we will check it against the catalogue. Service parts are supplied per piece unless the description says otherwise.

How to Be Sure It Fits

00438-44 is the Öhlins number for this position — the same one printed in the service documentation. The published dimensions are inner diameter 50 mm, cross section 2 mm, material NBR 70 — measure the old part against them if you are unsure. Size is given as inner diameter and cross-section; a close size is not a match. Öhlins specifies seal compounds for temperature stability rather than for the lowest unit cost.

Fitting and Setup Service

Fitting service parts means opening a pressurised unit. As an authorised Öhlins service centre we do that here, with the right tools and a dyno check afterwards — just ask.

Specifications

  • Brand: Öhlins
  • Part Number: 00438-44
  • Category: O-Rings
  • Inner Diameter: 50 mm
  • Cross Section: 2 mm
  • Material: NBR 70
  • Country of Origin: Sweden
07 · Support

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