9858 Double Lip Viton Rotary Shaft Seal (1x1.499x0.25 Inch)

9858 Double Lip Viton Rotary Shaft Seal (1x1.499x0.25 Inch)

Marsoni

M251S

$15.69

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

9858 Double Lip Viton Rotary Shaft Seal (1x1.499x0.25 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. SKF 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 SKF range of CR

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It's a great product that works. I left the strips on for 2 hours. And my teeth were so white, I decided not to use the light. I drink 3-4 cups of strong coffee everyday, and they are still really white (after one application over two weeks ago). My gums were a little sensitive after 2 hours, but that only lasted a few hours after usage. Just be aware if you leave on more than 60 minutes. Then brush and rinse really good. I use their "brilliance" tooth paste as well.

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Reviewed in the United States on June 16, 2025

Verified Purchase

Ems

Chelsea, US

★★★★★ 4

DOOOO IT (see before & after pics)

Size: 40 Count (Pack of 1), Size: 40 Count (Pack of 1)

My dentist actually recommended this in contrast to the products offered in office! So I had to try. I was especially interested in a whitening system that would not sacrifice effectiveness for gum sensitivity. Not only could I see instant improvement, but I had no gum irritation whatsoever, not even next day. So that's the two big things that exceeded expectation. A few drawbacks though - (1) Instructions were unclear as to how long to leave the light on, & I didn't realize until after mixed Internet recommendations & testing it out blindly that it automatically times out after a few minutes; (2) the product unfortunately outlasts the light's battery life, so I had to find a $16 replacement LED on Ebay, & (3) the adhesive will strip your dental work fyi. Not cool, but still overall beneficial as a whitener & hundreds cheaper than true, professional whitening. BTW this before and after were taken within a month of each other.

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Reviewed in the United States on April 29, 2026

Verified Purchase

Waukegan, US

★★★★★ 5

Amazing transformation!!

Size: 40 Count (Pack of 1), Size: 40 Count (Pack of 1)

I hardly ever write reviews, but this product has transformed my life. And imonly on the forth day. After the first day it removed so much of my yellow stains. I can't even think about how white my teeth will be when I finish. I called my dentist to see how much it would be to whiten my teeth and she said $500. Are you kidding me? So I ended up trying these white strips instead. I'm so happy with the results after only a few days!! The first picture is the start, then after using the strips 1 time, then after using the strips 3 times. I had to come and post a review immediately. The pictures speak for themselves. And not to mention that I usually have sensitive teeth. So far my teeth don't hurt while using. I will definitely use this product every year. Thanks Crest!!

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Reviewed in the United States on April 10, 2026