Product description
  • Outer casing: metal, machined
  • Spring-loaded sealing lip
  • Additional dust lip (B1….SL)
  • Sealing lip profile, sealing lip machined on the front face
  • Sealing lip profile, finished sealing lip  (B1FUD/B1FUDSL).

Product advantages

  • Broad range of applications in every sector of industry
  • Metal housing for especially firm and precise seating in the bore   (Note: limited static sealing on the outer casing for low viscosity and gaseous media)
  • Additional dust lip as additional seal against moderate to medium dust and dirt ingress from outside (B1FUDSL). (Note: can lead to temperature increase from frictional heat).


  • Industrial gearboxes
  • Axles (when subject to moderate dirt)
  • Power tools.

You are here: Our products / Oil seals / B1/B1SL