# SKF / CR Seals 11878 Small Bore Oil Seal - MROSupply.com

***SKF / CR Seals (formerly CR Seals) 11878 is a small bore radial shaft oil seal designed for light-duty sealing applications. This seal features a nitrile rubber (NBR) sealing lip with spring loading for consistent radial force. Operating temperature range: -40°F to 250°F. Suitable for use in electric motors, gearboxes, pumps, and other rotating equipment to prevent lubricant leakage and exclude contaminants.***



## Product details:

- Catalog number: 11878
- SKU: 306438
- Price: ***$10.76*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 3 days
- Brand: [SKF Seals](https://www.mrosupply.com/brands/skf-seals/)
- Category: 
    - [NBR / Buna-N / Nitrile Double Lip](htts://www.mrosupply.com/seals/oil-seals/double-lip-oil-seals/nbr-buna-n-nitrile-double-lip/)
    - [Double Lip Oil Seals](htts://www.mrosupply.com/seals/oil-seals/double-lip-oil-seals/)
    - [Oil Seals](htts://www.mrosupply.com/seals/oil-seals/)
    - [Seals](htts://www.mrosupply.com/seals/)
- Unit of measure: each
- Weight: 0.049 lb
- Technicall support: contact supplier for technical support on 267-436-6000


## Product images:
- https://static.mrosupply.com/images/noimage.webp


## Product attributes;

  
- Auxiliary lip: No
  

  
- Design: CRW1
  

  
- Housing bore diameter: 52.375 mm, 2.062 in
  

  
- Maximum operating temperature: 100.0 °C, 212.0 °F
  

  
- Maximum operating temperature (°F): 100.0 °C, 212.0
  

  
- Minimum operating temperature: -40.0 °C, -40.0 °F
  

  
- Minimum operating temperature (°F): -40.0 °C, -40.0
  

  
- Permissible circumferential speed: 5.79 m/s
  

  
- Rotational speed: 3660.0 r/min
  

  
- Seal width: 6.35 mm, 0.25 in
  

  
- Sealing lip material: Nitrile rubber (NBR)
  

  
- Shaft diameter: 30.175 mm, 1.188 in
  

  
- Type of outside diameter: Metal-cased with sealant coating on the outside diameter
  

  
- Unit system: Inch
  
## Product documents / software:

- [DXF](https://documents.mrosupply.com/product_documents/11/11878/skf_seals_11878_y2K2Wqv.dxf)

## Product's reviews:
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