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Oil seal OS-D10

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  1. Zwolle 157 items
  1. Oil Seal NBR Type: OS-D10
    Dimensions: 10 x 20 x 8
    Part number: 6525914
    In Stock
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  2. Oil Seal NBR Type: OS-D10
    Dimensions: 100 x 120 x 12
    Part number: 6525966
    In Stock
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  3. Oil Seal NBR Type: OS-D10
    Dimensions: 100 x 120 x 13
    Part number: 6525970
    In Stock
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  4. Oil Seal NBR Type: OS-D10
    Dimensions: 100 x 130 x 12
    Part number: 6525995
    In Stock
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  5. Oil Seal NBR Type: OS-D10
    Dimensions: 100 x 130 x 13
    Part number: 6526001
    In Stock
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  6. Oil Seal NBR Type: OS-D10
    Dimensions: 105 x 130 x 12
    Part number: 312435
    In Stock
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160 items

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  • Double-acting radial shaft seal
  • Two spring-loaded sealing lips
  • Elastomer-coated OD, flat 
  • Ribbed OD available on request, type OS-D11

Special features

  • Separation of two media by just one seal
  • Combination of 2 sealing lips in one component
  • 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.:

  • Separation of two media with rotating machine parts


Standard material

Elastomer NBR 70 black
Spring Spring steel according to DIN EN 10270-1
Metal cae Carbon steel according to DIN EN 10139

Speciale materialen

Elastomer FKM
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. 0.02 MPa
Shaft speed max. 5 m/s , 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


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


Please read our installation instructions.