# SKF / CR Seals 19X27X4 HM4 R HM4 Single Lip Oil Seal - 19mm Shaft x 27mm Bore x 4mm Width NBR - MROSupply.com

***SKF / CR Seals 19X27X4 HM4 R HM4 single lip radial shaft seal for 19mm shaft diameter, 27mm housing bore, and 4mm seal width. NBR sealing lip with spring-loaded garter spring ensures consistent radial sealing force. Operating temperature range: -40°F to 250°F (-40°C to 121°C). Suitable for electric motors, gearboxes, pumps, and rotating equipment.***



## Product details:

- Catalog number: 19X27X4 HM4 R
- SKU: 1908368
- Price: ***$8.70*** 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 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: 0.057 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: HM4
  

  
- Housing bore diameter: 27.0 mm, 1.063 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: 3.92 m/s
  

  
- Rotational speed: 3960.0 r/min
  

  
- Seal width: 4.0 mm, 0.157 in
  

  
- Sealing lip material: Nitrile rubber (NBR)
  

  
- Shaft diameter: 19.0 mm, 0.748 in
  

  
- Type of outside diameter: Metal-cased
  

  
- Unit system: Metric
  


## Product's reviews:
- 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
- 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!
- 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.