Single Lip Nitrile Rotary Shaft Seal (2.75x3.623x0.438 Inch)

Single Lip Nitrile Rotary Shaft Seal (2.75x3.623x0.438 Inch)

Marsoni

M251S

$14.78

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

Single Lip Nitrile Rotary Shaft Seal (2.75x3.623x0.438 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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We offer a 30-day return/exchange service after receiving.
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Great dock that works well with with Mac and Windows, and seems to be able to handle anything I can throw at it. I've had other UGREEN combo video+usb dongles that really bogged down when I used the video port, however this one did not even break a sweat when pushing out 1080p@60fps from my MacBook while handling multiple USB inputs and outputs, power delivery, and ethernet all at the same time. Definitely would consider this to be some of the best value for money around on the budget-conscious side of the USB-C hub/dock market.

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Reviewed in the United States on February 4, 2026

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J. Hankerson

Birmingham, US

★★★★★ 5

great quality hub for your needs

works for connecting items to my laptop. it's a little bulky but it does the job i need it to and seems well built

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Reviewed in the United States on June 8, 2026

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Tobi

Lexington, US

★★★★★ 5

Hell yeah

Love this, except it only works for my ipad, for some reason, it only charges my Samsung phone, note it might be user error. I didn't really try to check what the problem was because I bought it to use on my ipad. I use it to play pubg, and it works pretty good.

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Reviewed in the United States on February 24, 2026

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Grantham, US

★★★★★ 4

Good hub for the price. Got it on discount.

Good product that works as expected. Power draw would depend on the amount of peripherals but it also gets pretty warm with use.

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Reviewed in the United States on March 8, 2026

Verified Purchase

Atif Khan

Fort Morgan, US

★★★★★ 5

Incredible value

This is my third UGREEN product and I am once again impressed. Their products are consistently top quality at a fraction of the cost compared to other brands. This hub is no exception. Good combination of ports. High speed USB-C and USB-A. 4K@60Hz HDMI. Everything is working as advertised. The hub itself is very high quality feeling but also lightweight. Similar offerings from other brands can easily run more than double the price of this

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Reviewed in the United States on March 30, 2026