30x55x7 Double Lip Nitrile Rubber Rotary Shaft Seal

30x55x7 Double Lip Nitrile Rubber Rotary Shaft Seal

Marsoni

M251S

$10.63

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

30x55x7 Double Lip Nitrile 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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We offer a 30-day return/exchange service after receiving.
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These worked perfectly! They aren’t the warmest but do the job for long cold runs in Texas. I ran a half marathon in 40 degree weather with these on and they kept me warm. They are a bit smaller in size, similar to what other reviewers have said. But I’m a small woman with small hands so the size medium I ordered were perfect. They were warm enough that I took them off at about mile 6. So overall, I’d definitely recommend for a light coverage, snug fit, glove.

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Reviewed in the United States on December 24, 2025

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Joanne Laskowski

San Leandro, US

★★★★★ 5

The product is great. I like it very much.

Color: (001) Black / Black / Reflective, Size: Large

The product is great. I like it very much.

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Reviewed in the United States on July 14, 2025

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Kilee

Chelsea, US

★★★★★ 5

Great buy

Color: (001) Black / Black / Reflective, Size: Medium

I absolutely love these! They fit great, I can use them with my phone and they're comfortable. I wear them for just about everything.

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Reviewed in the United States on February 11, 2026

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Port Orchard, US

★★★★★ 4

Decent UA gloves pricey for the quality

Color: (001) Black / Black / Reflective, Size: Large

The thickness isn’t what I thought it would be. They’re ok for warmth as long as it isn’t single digits or in the negatives. They’re durable so far and grip is good. The size and fit are good for smaller to medium sized hands. It is also good for pressing your phone screen.

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Reviewed in the United States on December 2, 2025

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Bee

Lowell, US

★★★★★ 5

Great morning run gloves

Color: (001) Black / Black / Reflective, Size: Large

Absolutely love these gloves and they are perfect for a fall morning run or as an extra layer inside a mitten I have noticed under armour gloves seem to run slightly small but the large fit ne perfect and id consider my hand a little on the smaller side these fit perfectly snug

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Reviewed in the United States on December 3, 2025