Single Lip Nitrile Rotary Shaft Seal (2.5x3.251x0.438 Inch)

Single Lip Nitrile Rotary Shaft Seal (2.5x3.251x0.438 Inch)

Marsoni

M251S

$21.36

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

Single Lip Nitrile Rotary Shaft Seal (2.5x3.251x0.438 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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This is a fairly decent MagSafe mount that attaches cleanly to an LCD car display. It works and looks good on my Tesla Model 3. The only part that is metal is the bracket but the rest seems to be made from a metallic looking plastic. I do like that the inside of the clamps can be adjusted independently and there’s a layer of silicone padding to protect the screen. I was able to make it pretty tight with no movement at all. It only works well on a “naked” phone or a cover that has MagSafe ring built in. I have a super thin case and it seems to hold pretty well so far but I do wish the magnets were a bit stronger. The good thing is that it uses a standard ball joint so I have other types of mounts that could easily fit in place of the MagSafe version. The only other thing that I think detracts from the overall “clean look” is the screened text on the clamp that simply says “Screen Holder”. It would have been better not there.

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Reviewed in the United States on October 24, 2025

Verified Purchase

K.G.

Houston, US

★★★★★ 5

EXCELLENT Product for using with the dash mount BUT not so good for all cars with the vent mount.

This is a great product for wireless phones worked perfectly for my SG S21 the mount is really good sturdy flexible and firm if done right. BUT the vent jack plug is short for my Camry 2018 doesn't hold the phone firmly. It keeps wobbling when driving. So if you're looking for using just the vent holder make sure your car has a short AC flap so it can mount the plug firmly hold the phone properly. The phone holder is amazing it works really good just the way it is shown in the description. So guys first check the flap size of your cars AC vent must be short if you're looking to use the Vent plug holder. But if you're going to use it only with the dash mount its fantastic and holds the phone really firm and good. I really love this product and highly recommend to buy.

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Reviewed in the United States on September 12, 2025

Verified Purchase

Richard shinnamon

Bozeman, US

★★★★★ 5

Cell phone charger

Ok I've had alot of cell phone holdes,,,but this one is the best I've had. I use the vent clip when I start me car it open up to set my phone in and automatically closes to lick the phone I. And starts charging,,just remember to take oho e out before shutting off the cat because it work off you USB PORT so it needs the power in the unlock your phone Two thumbs up

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Reviewed in the United States on March 31, 2026

Verified Purchase

Tiffany Hammond

Charlottesville, US

★★★★★ 5

Fastens to the windshield and stay secure

Preformed well Good value for money

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Reviewed in the United States on May 29, 2026

Verified Purchase

MamaSylvia

Battle Creek, US

★★★★★ 4

This sticks to my Chrysler Pacifica!

I bought a new-to-me Chrysler Pacifica and of course wanted a phone holder or two for when my husband and I are travelling. I absolutely adore the car, but I've never had so much trouble finding a phone holder that would stick to the dash, no matter how thoroughly I cleaned it with alcohol! Finally found this one, but it only sticks if you do NOT activate the suction part. That pulls the sticky part off the dash. And it's not very attractive on top of the dash. I'm more concerned with function than appearance so I'm happy with it, and it works great. The phone stays put and stays charged, which is all I ask.

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Reviewed in the United States on May 21, 2026