Öhlins O-ring 32,5x1.5 NBR 70
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part Number00438-56
CategoryO-Rings
Inner Diameter32.5 mm
Cross Section1.5 mm
MaterialNBR 70
Country of OriginSweden
DescriptionThe whole story▼

O-ring 32,5x1.5 NBR 70, Öhlins part number 00438-56. Öhlins specifies seal compounds for temperature stability rather than for the lowest unit cost.

Key Features

  • Öhlins part number 00438-56
  • Cross Section 1.5 mm
  • Material NBR 70
  • Inner Diameter 32.5 mm
  • Original Öhlins service part

Function

Öhlins publishes 32.5 mm, 1.5 mm, NBR 70 for 00438-56 — 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 groove does half the work: the ring only seals if the groove is clean and undamaged. Static seals and dynamic seals are not interchangeable even in the same size.

Original Öhlins Part

A damper that can be rebuilt is a damper that stays on the bike; that is the whole argument for original service parts. Every part in this catalogue is one Öhlins fits itself during assembly and service. The exploded drawing for your unit names the number; if you do not have it, we do. If the unit is already apart, compare the published dimensions with the part in your hand.

Identifying the Right Part

Order under 00438-56. Where several sizes share a description, only the number separates them. inner diameter 32.5 mm, cross section 1.5 mm, material NBR 70 is what distinguishes this number from its neighbours in the range. The dust seal does the hard work: it keeps the grit that would score the shaft away from the oil seal. O-ring sizes are given as inner diameter and cross-section, and both have to match — a close size is not a match.

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: 00438-56
  • Category: O-Rings
  • Inner Diameter: 32.5 mm
  • Cross Section: 1.5 mm
  • Material: NBR 70
  • Country of Origin: Sweden
07 · Support

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