Single Lip Nitrile Rotary Shaft Seal (5.25x6.25x0.5 Inch)

Single Lip Nitrile Rotary Shaft Seal (5.25x6.25x0.5 Inch)

Marsoni

M251S

$40.14

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

Single Lip Nitrile Rotary Shaft Seal (5.25x6.25x0.5 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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Good product, not much to say. The product arrived quickly, looks to be of high quality construction, fit perfectly and took me only a couple of minutes to install. I love it when a product is no frills and delivers as advertised. I've used various filters from K&N before and have always had very good success with them so I will be buying more of these for sure when the time comes.

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Reviewed in the United States on November 9, 2025

Verified Purchase

john A.

New York, US

★★★★★ 5

Better than most.

Size: (Pack of 1)

Looks good, perfect fit.

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Reviewed in the United States on May 25, 2026