Double Lip Nitrile Rotary Shaft Seal (3.438x4.501x0.438 Inch)

Double Lip Nitrile Rotary Shaft Seal (3.438x4.501x0.438 Inch)

Marsoni

M251S

$28.29

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

Double Lip Nitrile Rotary Shaft Seal (3.438x4.501x0.438 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.
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Can’t really say to much about these. They have a strong magnet and are durable enough for everyday use. I use them to hang my compression leggings from normatec as well as other accessories. They work well and are at an affordable price. Hook size is ok. I feel like most items you would hang have no issue. Have not loaded them with to much weight but I’m sure they can hold a fair amount.

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Reviewed in the United States on May 7, 2026

Verified Purchase

Kevin D. Gebert

Cuba, US

★★★★★ 5

can always use more

Color: Black

I keep buying more of these for fitness equipment storage. I got long and short hook models and very strong magnets hold up pull down attachments weighing 10lbs or more. Works great for belts, carabiners and anything you want to organize in the weight room.

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Reviewed in the United States on February 16, 2026

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Kit kat

Boise, US

★★★★★ 5

Strong and durable

Color: Orange Hooks

I got this to hang my water hose on the frame of my metal porch. The magnet is super strong. I'm impressed!

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Reviewed in the United States on April 14, 2026

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