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Oilseal OS-B13

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OS-B13


Description


  • Metal OD
  • Non-spring-loaded sealing lip
  • Protective lip against entry of contamination from outside (dust, dirt,...)


Special features


  • Non-spring-loaded lip design for secondary sealing jobs e.g., grease sealing
  • Low friction
  • Compact design
  • Little installation space
  • Firm and exact fit inside the housing
  • Be careful when using the product in connection with light metal housings, housings with increased surface roughness and applications with overpressure: Apply sealing aid to the outside diameter if necessary. A version with outside diameter coated with bore sealant is available on request.
  • Effi cient protection against air side contaminations


Applications e.g.:


  • Secondary sealing jobs
  • Mechanical and apparatus engineering
  • Drive systems
  • Electric motors


Materials
>

Standard material


Elastomer NBR 70 black
Metal case Carbon steel according to DIN EN 10139


Speciale materialen


Elastomer FKM
Silicon
ACM
HNBR
CR
EPDM
Metal case Stainless steel 1.4301



Application parameters


For the standard materials combination

Temperature  -40°C to +100°C                                                                                           
Pressure depressurized
Shaft speed max. 6 m/s (and acc. to chart) „Operating parameters for rotary shaft seals“
Media Mineral oil based lubricants, synthetic lubricants


When synthetic lubricants are used for which there is no empirical experience, test the compatibility in the laboratory or - better even - in practical trials. The operating temperature should not exceed 80°C.



Design information


Shaft

Tolerance ISO h11
Hardness min. 45 HRC
Roughness Ra = 0,2 - 0,8 μm
Rz 1-5 μm 
Rmax ≤ 6,3 μm
Surface finish free of orientation (lead free)


Housing bore

Tolerance ISO H8
Roughness Ra = 0,8 - 3,2 μm 
Rz = 6,3 - 16 μm 
Rmax ≤ 16 μm



Installation


Please read our installation instructions.

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