50x80x8 Double Lip Nitrile Rubber Rotary Shaft Seal

50x80x8 Double Lip Nitrile Rubber Rotary Shaft Seal

Marsoni

M251S

$13.64

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

50x80x8 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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The price was decent and I like the color. It is easy to get started and it came with batteries which was unexpected and nice! Like others have said, it doesn't stop on it's own like it's supposed to, which is my only drawback with it. I had thought that if I pushed the button on the top it might stop it, but all that does is reverse the direction of the opener. 4 stars because it does work, but having to fool around with it to make it stop makes it lose a star for me.

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Reviewed in the United States on September 17, 2025

Verified Purchase

Marisela Alaniz

Whiting, US

★★★★★ 4

Not bad at all

Color: Green/Battery

Super EASY for my 83 old mother with arthritis to use. It’s not “speedy” but it works great.

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Reviewed in the United States on January 12, 2026

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