Single Lip Nitrile Rotary Shaft Seal (3.563x4.501x0.438 Inch)

Single Lip Nitrile Rotary Shaft Seal (3.563x4.501x0.438 Inch)

Marsoni

M251S

$24.95

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

Single Lip Nitrile Rotary Shaft Seal (3.563x4.501x0.438 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.
Final sale items are not eligible for returns or exchanges.
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When I received my two pillows I was concerned they wouldn't be as fluffy as advertised; they came rolled up and shoved in a small box. However, after some time sitting out they are even fluffier than imagined. Firmness is exactly what I wanted and even after my husband folds them, they bounce back to their previous shape.

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Reviewed in the United States on November 27, 2023

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Amazon Customer

San Leandro, US

★★★★★ 4

They sleep okay.

Style: Original, Size: Standard/Queen

Wish pillows was more firm but they are okay. Just more firmer.

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Reviewed in the United States on August 10, 2025

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Nicole M Tusa

Grantham, US

★★★★★ 5

Definitely beats sleeping on the floor!

Color: Grey, Size: Twin

I was sleeping on the floor with my dog after she had emergency surgery and this helped me get through those tough couple of weeks. Comfortable and not too heavy. Comes with a bag to store it in and helps make it easier to move around.

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Reviewed in the United States on May 25, 2026

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Ellen H.

Draper, US

★★★★★ 5

Comfy

Color: Grey, Size: Cot

Very comfortable even for large children and adults.

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Reviewed in the United States on May 16, 2026

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