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Oil seal OS-A12

249 items

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  1. Hattemerbroek 26 items
  2. Central warehouse 2 items
  1. Oil Seal FKM Left + right rotation
    Oil Seal FKM Left + right rotation Type: OS-A12
    Dimensions: 10 x 14 x 3
    Part number: 6531709
    Delivery time: 1-3 weeks
    More Details
  2. Oil Seal NBR
    Oil Seal NBR Type: OS-A12
    Dimensions: 10 x 14 x 3
    Part number: 6582849
    Delivery time: 4 weeks
    More Details
  3. Oil Seal NBR
    Oil Seal NBR Type: OS-A12
    Dimensions: 10 x 15 x 3
    Part number: 6525888
    Delivery time: 4 weeks
    More Details
  4. Oil Seal NBR
    Oil Seal NBR Type: OS-A12
    Dimensions: 10 x 17 x 3
    Part number: 6525895
    In Stock
    More Details
  5. Oil Seal FKM Left + right rotation
    Oil Seal FKM Left + right rotation Type: OS-A12
    Dimensions: 10 x 17 x 4
    Part number: 6525896
    Delivery time: 4 weeks
    More Details
  6. Oil Seal NBR
    Oil Seal NBR Type: OS-A12
    Dimensions: 10 x 17 x 4
    Part number: 6525897
    Delivery time: 4 weeks
    More Details

249 items

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OS-A12

OS-A12

Description

  • Elastomer-coated OD, flat
  • Non-spring-loaded sealing lip ribbed OD available on request, type OS-G12


Special features

  • Non-spring-loaded lip design, for secondary sealing jobs e.g., grease sealing
  • Low friction
  • Compact design
  • Little installation space
  • 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
  • No risk of fretting corrosion


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


Special materials

Elastomer FKM
Silicone
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 = 1,6 - 6,3 μm 
Rz = 10 - 20 μm 
Rmax ≤ 25 μm



Installation

Please read our installation instructions.

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