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SKF

SKF G 55X63X5 radial shaft seal 55 mm x 63 mm x 5 mm

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Product description:

  • Radial shaft seals are trailing seals used particularly for sealing oil-lubricated bearings.
  • These ready-to-use elastomer seals usually have a metal reinforcement or housing
  • The sealing lip is usually a nitrile rubber and is normally pressed against a contact surface on the shaft by means of a spring
  • Depending on the seal material and the medium to be kept in or out, radial shaft seals can be used at temperatures between 60 and +190 °C
  • The contact area between the seal lip and the contact surface is vital for the effectiveness of the seal
  • The surface hardness of the contact surface should normally be at least 55 HRC, and the depth of hardening should be at least 0.3 mm
  • Surface roughness according to ISO 4288:1996 should be within the guidelines of Ra = 0.2 to 0.8 mm
  • In applications with low speeds, good lubrication and minimal contamination, a lower hardness can be used
  • To prevent pumping of spiral grinding grooves, insert grinding is recommended
  • If the radial shaft seal is to keep the lubricant inside the bearing housing, the seal should be mounted with the lip inwards
  • If the main task is to keep out contaminants, the lip should point outwards
Key features according to our expert
  • Inner diameter: 55 mm
  • Outer diameter: 63 mm
  • Width: 5 mm
Specifications / All features
  • Brand: SKF
  • EAN: 7316570668810
  • Supplier number: SKF G 55X63X5
Inner diameter
55 mm
Outer diameter
63 mm
Width
5 mm
Shaft diameter
55 mm
Unit system
Metric
Seal width
5 mm
Sealing lip material
Acrylonitrile-butadiene rubber (NBR)
Auxiliary lip
No
Housing bore diameter
63 mm
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