# SKF / CR Seals 21379 Small Bore Oil Seal - MROSupply.com

***SKF / CR Seals (formerly CR Seals) 21379 is a small bore radial shaft oil seal designed for light-duty sealing applications. Constructed with a nitrile rubber (NBR) sealing lip and spring-loaded garter spring for consistent radial force. Operating temperature range: -40°F to 250°F. Suitable for use in electric motors, gearboxes, pumps, and other rotating equipment. Prevents lubricant leakage and contaminant ingress.***



## Product details:

- Catalog number: 21379
- SKU: 1899671
- Price: ***$26.69*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 3 days
- Brand: [SKF Seals](https://www.mrosupply.com/brands/skf-seals/)
- Category: 
    - [ACM / Polyacrylate Double Lip](htts://www.mrosupply.com/seals/oil-seals/double-lip-oil-seals/acm-polyacrylate-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: 0.299 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: CRSA1
  

  
- Housing bore diameter: 92.024 mm, 3.623 in
  

  
- Maximum operating temperature: 150.0 °C, 302.0 °F
  

  
- Maximum operating temperature (°F): 150.0 °C, 302.0
  

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

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

  
- Permissible circumferential speed: 15.08 m/s
  

  
- Rotational speed: 5336.0 r/min
  

  
- Seal width: 11.91 mm, 0.469 in
  

  
- Sealing lip material: Polyacrylate elastomer (ACM)
  

  
- Shaft diameter: 53.975 mm, 2.125 in
  

  
- Type of outside diameter: Metal-cased
  

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

- [DXF](https://documents.mrosupply.com/product_documents/21/21379/skf_seals_21379_t5lPBPh.dxf)

## Product's reviews:
- Mro supply - seals - I use a lot of the SKF6119 seals for chainsaw repairs and MRO always has the best prices and fast shipping.
- 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
- Small diameter seals - I use a lot of small diameter inch dimension seals for the repair of older chainsaws. MRO is a great resource for many seals with very competitive prices and free shipping for larger orders. I will continue to use MRO whenever I can.
- Great service and product! - Doing boat repairs is trying at best when you are on the hard. While the clock tics by , the dollars add up. Being able to find, order and receive part in a timely fashoin is a tall order and MRO Supply was able to meet all of our needs!
Great job MRO! We'll be back!