# Timken 42421S Small Bore Inch Oil Seal, NBR Single Lip - MROSupply.com

***Timken 42421S is a small bore inch oil seal with a single lip constructed from NBR (nitrile/Buna-N) material. This seal is designed for standard-duty applications, offering reliable fluid retention for shafts in pumps, motors, and general industrial equipment. It operates within a temperature range of -40°F to +250°F and is suitable for environments with petroleum-based oils and water.***



## Product details:

- Catalog number: 42421S
- SKU: 5070717
- Price: ***$13.15*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Timken](https://www.mrosupply.com/brands/timken/)
- Category: 
    - [NBR / Buna-N / Nitrile Single Lip](htts://www.mrosupply.com/seals/oil-seals/single-lip-oil-seals/nbr-buna-n-nitrile-single-lip/)
    - [Single Lip Oil Seals](htts://www.mrosupply.com/seals/oil-seals/single-lip-oil-seals/)
    - [Oil Seals](htts://www.mrosupply.com/seals/oil-seals/)
    - [Seals](htts://www.mrosupply.com/seals/)
- Unit of measure: each
- Weight: 0.105 lb
- Returns: Yes


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


## Product attributes;

  
- 6.35 mm Series: 40000 Shaft Size:1.875 in
  

  
- 69.85 mm Outer Diameter: 2.754 in
  

  
- 69.952 mm Overall width: 0.25 in
  

  
- Housing bore: 2.75 in
  

  
- Housing Bore: 2.75 in
  

  
- Inch/Metric: Inch
  

  
- Material: Nitrile
  

  
- Outer Diameter: 2.754 in
  

  
- Overall Width: 0.25 in
  

  
- Series: 40000
  

  
- Shaft Size: 1.875 in
  
## Product documents / software:

- [Oil Seals Inch](https://documents.mrosupply.com/product_documents/50/70/5070717/42421s_qSAHUay)

## Product's reviews:
- Best company to buy from - I always buy from MRO is a very reliable company to work with