50x72x8 Single Lip Viton Rubber Rotary Shaft Seal

50x72x8 Single Lip Viton Rubber Rotary Shaft Seal

Marsoni

M251S

$21.42

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

50x72x8 Single Lip Viton Rubber Rotary Shaft SealAcrylonitrile 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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Fast: 2-3 business days
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We offer a 30-day return/exchange service after receiving.
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These ear plugs fit better than a lot of others I’ve tried and they stay in place while swimming. They’re soft enough to wear comfortably for longer periods without irritating my ears. I also like that they come with different sizes, which makes it easier to find the right fit. They block water well and the carrying case is convenient for keeping everything organized.

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Reviewed in the United States on May 19, 2026

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Ana

Chelsea, US

★★★★★ 4

Good fit and keep the water out.

Color: Multicolored 1, Size: 1 pair (Pack of 3)

These earplugs work really well for lap swimming. They keep the water out and stay put whether I'm wearing a swim cap or not. They are easy to put in and take out and the size is perfect, they are so soft they adjust to the size of your ear canal. They keep out lots of sound. My only issue is they sink. Not sure what I'll do with open water swimming except keep them in the entire time.

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Reviewed in the United States on February 24, 2026

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B Jacks

Cuba, US

★★★★★ 5

THE BEST!!

Color: Multicolored 4, Size: 3 Pairs (Pack of 1)

Wish I found these last year! My daughter is on a swim team and had 3 separate episodes of swimmers ear. Bought these and not a single issue, keeps the water out yet she can still hear. Perfect for little ears, the price, and convenient to have extra sets.

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Reviewed in the United States on May 27, 2026

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Revista1

New York, US

★★★★★ 5

Effective and comfortable

Color: Multicolored 2, Size: 3 Pairs (Pack of 1)

Great! I have used Macks silicone Chistmas tree style earplugs for many years, these are more comfortable. They keep ear canal completely dry, never fall out during swimming, and are easy to insert and remove with no discomfort whatever. The left and right orientation makes them easier to adjust in the ear, and there is no (sometimes painful) pop on removal, like standard silicone plugs with a stem. Happy swimmer here.

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Reviewed in the United States on May 17, 2026

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Luci Nomed

Bozeman, US

★★★★★ 3

Didn’t do much for me but the product is made very well

Color: Multicolored 1, Size: 1 pair (Pack of 3)

Maybe it’s just my ears but these didn’t really work for me. They’re made very well, but they really didn’t keep water out of my ears. I swim laps daily and am very sensitive to ear infections from pools. I even wear a swim cap with them. They do stay in place and. I love the little case they come with. I’m sure they’ll work well for other people

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Reviewed in the United States on March 4, 2026