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Oil seal OS-BG11

OS-BG11


Description


  • Metal and rubber OD, ribbed
  • Spring loaded sealing lip
  • Protective lip against entry of contamination from outside (dust, dirt,...)


Special features


  • Combines the advantages of metal and elastomer OD:
  • Very fi rm and exact fi t inside the housing due to metal-metal interference fi t
  • Reliable static sealing inside housing
  • Compensation of diff erent thermal expansion
  • Modern sealing lip design for high dynamic sealing action
  • Effi cient protection against air side contaminations


Applications e.g.:


  • Mechanical engineering
  • Machine tools
  • Drive systems


Materials


Standard material


Elastomer NBR 70 black
Spring Spring steel according to DIN EN 10270-1
Metal case Plaatstaal conform DIN EN 10139


Special materials


Elastomer FKM
Silicone
ACM
HNBR
CR
EPDM
Spring Stainless steel 1.4301
Metal case Stainless steel 1.4301



Application parameters


For the standard materials combination

Temperature  -40°C to +100°C                                                                                           
Pressure depressurized, max. 0.05 MPa
Shaft speed acc. to chart in „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 = 1,6 - 6,3 μm 
Rz = 10 - 20 μm 
Rmax ≤ 25 μm



Installation


Please read our installation instructions.

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