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Oil seal OS-A11

7950 items

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  1. Zwolle 4799 items
  1. Oil Seal NBR Type: OS-A11
    Dimensions: 10 x 16 x 4
    Part number: 217434
    In Stock
    More Details
  2. Oil Seal FKM Type: OS-A11
    Dimensions: 10 x 16 x 4
    Part number: 351396
    Delivery time: 4 weeks
    More Details
  3. Oil Seal NBR Type: OS-A11
    Dimensions: 10 x 16 x 5
    Part number: 217435
    In Stock
    More Details
  4. Oil Seal NBR Type: OS-A11
    Dimensions: 10 x 17 x 4
    Part number: 217437
    In Stock
    More Details
  5. Oil Seal NBR Type: OS-A11
    Dimensions: 10 x 17 x 5
    Part number: 217438
    In Stock
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  6. Oil Seal NBR Type: OS-A11
    Dimensions: 10 x 17 x 7
    Part number: 217439
    In Stock
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7950 items

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OS-A11


Description


  • Elastomer-coated OD, flat
  • Spring loaded sealing lip
  • Protective lip against entry of contamination from outside (dust, dirt,...)
  • Ribbed OD available on request, type OS-G11


Special features


  • Reliable static sealing inside housing
  • For housings with high thermal expansion, e.g., light metal housing
  • For split housings
  • For housings with increased surface roughness
  • For sealing thin-body and gaseous media
  • No risk of fretting corrosion
  • Efficient protection against air side contaminations


Applications e.g.:


  • Mechanical and apparatus engineering
  • Agricultural machinery
  • Construction machines
  • Drive systems, industrial gearboxes, electric motors


Materials

Standard material


Elastomer NBR 70 black (FKM 80 brown is standard for OS-F11)
Spring Spring steel according to DIN EN 10270-1
Metal case Carbon steel according to 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 tot +100°C                                                                                           
Pressure depressurized, max. 0,05 MPa
Shaft speed 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 fi nish 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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