SC
- Single lip, rubber covered, spring-loaded.Can accommodate considerable surface roughness and thermal expansion of the housing and will not rust.
- Required for split housing and when sealing gaseous or low viscosity media.
SB
- Single lip, Bare in outer metal case, spring loaded.
- Sealing is more difficult with housing bore of considerable surface roughness andsubject to thermal expansion.
SA
- Single lip, outer metal case with reinforcing case. Spring loaded.
- Installation and sealing identical to Type SB, it is preferred for larger size application.
TC
- Twin lips, rubber covered, spring loaded.
- An Extra lip is required to exclude foreign matter from the primary sealing lip.
TB
- Twin lips, Bare in outer metal case, spring loaded.
- Can be used in applications requiring the extra lip for foreign matter exclusion but where the extra strength of an inner case is not needed.
TA
- Twin lips, outer metal case with reinforcing case, Spring loaded.
- It is recommended where an extra lip is requested to excluded foreign matter from the primary sealing lip.
- The inner case provided for maximum strength, rigidity and protection of sealing lip and spring.
VB
- Single lip, outer metal case, springless.
- Sealing identical to Type VC, metal housing for particularly firm and exact seating in the bore.
VA
- Single lip, outer metal case with reinforcing case, springless.
- Sealing identical to Type VB, with inner case provided for maximum strength, rigidity and protection of sealing lip.
KC
- Twin lips, rubber covered, springless.
- Sealing identical to Type VC, with an Extra lip is required to exclude foreign matter from auxiliary sealing lip.
KB
- Twin lips, outer metal case, springless.
- Sealing identical to Type KC, metal housing for particularly firm and exact seating in the bore.
KA
- Twin lips, outer metal case with reinforcing case, springless.
- Sealing identical to type KB, with inner case provided for maximum strength, rigidity and protection of sealing lip.
DC
- Rubber covered outer, incorporated Two spring-loaded lips for sealing of two medias.
DB
- are in outer metal case, incorporated Two spring-loaded lips for sealing of two medias.
DA
- Bare in outer metal case with reinforcing case, incorporated Two spring-loaded lips for sealing of two medias.
VC
- Single lip, rubber covered, springless.
- It is recommended somewhere against grease, secondary application against moderate to medium dust and dirty ingress.
