Single Lip Nitrile Rotary Shaft Seal (2.75x3.751x0.438 Inch)

Single Lip Nitrile Rotary Shaft Seal (2.75x3.751x0.438 Inch)

Marsoni

M251S

$24.95

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

Single Lip Nitrile Rotary Shaft Seal (2.75x3.751x0.438 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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These are generally pretty good. Some have rough edges from the mold, but there's not too many in the pack that are like that. Each come shipped in a bag. DO NOT USE GORILLA GLUE IMPACT TOUGH SUPER GLUE to seal these. They cloud the plastic. I used JB WELD LIGHT ACTIVATED and it worked perfectly. Model glue probably works too, but I haven't tried that yet. Less is more.

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Reviewed in the United States on July 8, 2022

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Brad Smith

Battle Creek, US

★★★★★ 4

Great Cases for Cards

Item Package Quantity: 12, Item Package Quantity: 12

These were great for what I wanted them for. I like the look of having a card slabbed with a label but sending to the big grading companies is expensive. I was able to Slab wrestling cards, and sports cards. I even did one of my garbage pail kids. These are not designed to just snap together and do require some plastic adhesive or glue. Not a bad price for what I needed them for.

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Reviewed in the United States on December 26, 2021

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Mackenzie Risen

Battle Creek, US

★★★★★ 3

Don’t get this

Item Package Quantity: 6

The two sides don’t fit together properly and pop open with the slightest of uneven pressure. There’s practically no clips to keep them together so cards just slide right out of them when picked up vertically. Don’t get this if you are looking for something to keep very expensive items in as they will just get ruined or lost. You get what you pay for.

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Reviewed in the United States on November 14, 2022

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Karen Kay Gallagher

New York, US

★★★★★ 5

My son loved them

Item Package Quantity: 6

Perfect for trading graded baseball cards

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Reviewed in the United States on December 18, 2025