# SKF / CR Seals 3645 Small Bore Oil Seal - 0.375" Shaft x 0.875" Bore x 0.188" Width NBR - MROSupply.com

***SKF / CR Seals (formerly CR Seals) 3645 is a small bore radial shaft oil seal for 0.375" shaft diameter, 0.875" housing bore, and 0.188" seal width. Features a NBR sealing lip with spring loading for reliable radial contact. Operating temperature: -40°F to 250°F. Used in motors, gearboxes, pumps, and industrial rotating equipment. Prevents lubricant leakage and contaminant ingress.***



## Product details:

- Catalog number: 3645
- SKU: 1898346
- Price: ***$5.70*** 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: 0.024 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: HM14
  

  
- Housing bore diameter: 17.45 mm, 0.687 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: 1.11 m/s
  

  
- Rotational speed: 2220.0 r/min
  

  
- Seal width: 3.962 mm, 0.156 in
  

  
- Sealing lip material: Nitrile rubber (NBR)
  

  
- Shaft diameter: 9.53 mm, 0.375 in
  

  
- Type of outside diameter: Metal-cased
  

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

- [DXF](https://documents.mrosupply.com/product_documents/36/3645/skf_seals_3645_EUfzXBN.dxf)

## Product's reviews:
- 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
- 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!
- Mro supply - seals - I use a lot of the SKF6119 seals for chainsaw repairs and MRO always has the best prices and fast shipping.
- Works good great delivery time - The seals works as they should. Delivery time was good