# SKF / CR Seals 39921 Oil Seal - MROSupply.com

***SKF / CR Seals 39921 radial shaft oil seal for small bore applications. Features a spring-loaded sealing lip for consistent radial force, preventing lubricant leakage and contaminant ingress. Suitable for use in electric motors, gearboxes, pumps, and other rotating equipment.***



## Product details:

- Catalog number: 39921
- SKU: 1900314
- Price: ***$79.52*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 3 days
- Brand: [SKF Seals](https://www.mrosupply.com/brands/skf-seals/)
- Category: 
    - [FKM / Fluorocarbon Double Lip](htts://www.mrosupply.com/seals/oil-seals/double-lip-oil-seals/fkm-fluorocarbon-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: 0.238 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: Yes
  

  
- Design: CRWA1
  

  
- Housing bore diameter: 126.97 mm, 4.999 in
  

  
- Maximum operating temperature: 200.0 °C, 392.0 °F
  

  
- Maximum operating temperature (°F): 200.0 °C, 392.0
  

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

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

  
- Permissible circumferential speed: 33.15 m/s
  

  
- Rotational speed: 6240.0 r/min
  

  
- Seal width: 9.53 mm, 0.375 in
  

  
- Sealing lip material: Fluoro rubber (FKM)
  

  
- Shaft diameter: 101.6 mm, 4.0 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/39/39921/skf_seals_39921_WLxNqxP.dxf)
## Alternate products to `SKF / CR Seals 39921 Oil Seal - MROSupply.com`:
- [Dichtomatik 404993VTB-H FKM (Viton) double lip spring loaded oil seal with metal OD case. Suitable for shaft diameters of 4.000 in, housing bore diameters of 4.999 in, and widths of 0.375 in. Operating temperature range is -13°F to +400°F (-25°C to +204°C).](https://www.mrosupply.com/products/2817313/as-markdown/)

## Product's reviews:
- Seals - Fast delivery, very good price
- 6119 seals - Fast shipping
- Did 4913 - Good product, fast delivery
- Great first impression - The site was easy to navigate. I placed the order and I was kept up to date with it’s processing and shipping progress. I would definitely use them again