Double Lip Nitrile Rotary Shaft Seal (4.25x5.251x0.438 Inch)

Double Lip Nitrile Rotary Shaft Seal (4.25x5.251x0.438 Inch)

Marsoni

M251S

$30.78

Get it in 3 business days with 1 day shipping. Friday, May 29

Double Lip Nitrile Rotary Shaft Seal (4.25x5.251x0.438 Inch)Acrylonitrile butadiene rubber (NBR) is the material name for nitrile rubber. This material is very good for seals due to its make up. Nitrile rubber can tolerate short term dry running of the sealing lip. The operating temperature range without failure of nitrile rubber is 40 to +100 C. This also offers a special nitrile rubber compound with a temperature range between 55 and +110 C. Please click here for a full in depth look at the range of seals

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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This works well for what I needed – a simple background for my kids’ online school. It’s lightweight and very easy to put together, and it stands up fine without needing to mount anything. The color is listed as black, but it’s more of a dark gray in person. Not a huge deal, just something to be aware of. It’s not super heavy duty, but it does the job for privacy and as a video backdrop. Overall, a good, portable divider that’s quick to set up and works well for light use.

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Reviewed in the United States on February 21, 2026

Verified Purchase

Robert A. Bertsche

Natrona Heights, US

★★★★★ 5

Essay to assemble

Color: Grey

Very nice. Did the job the way I wanted.

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Reviewed in the United States on April 28, 2026