40x68x8 Single Lip Nitrile Rubber Rotary Shaft Seal

40x68x8 Single Lip Nitrile Rubber Rotary Shaft Seal

Marsoni

M251S

$11.92

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

40x68x8 Single 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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Your 40x68x8 Single Lip Nitrile Rubber Rotary Shaft Seal orders ship within 1-2 business days.

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Fast: 2-3 business days
Express: 1-2 business days

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
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I purchased the cotton stretch Briefs for my husband and he says they are not only comfortable, but have a great fit. He’s very athletic and complained about how some of his briefs would shift when running or other activities. These do not! The fabric breaths and stays cool, and no chaffing. We’ll be getting a few more of these Stretch Briefs for sure!

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Reviewed in the United States on March 15, 2026

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Phil W.

New York, US

★★★★★ 5

True size!

Size: Medium, Color: Red Orange Yellow Blue

True fit for size. Extremely comfortable. Long lasting product.

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Reviewed in the United States on April 29, 2026

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Bozeman, US

★★★★★ 4

Good quality

Size: X-Large, Color: Black

Perfect fit

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Reviewed in the United States on September 15, 2025

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Kevin baker

Pawtucket, US

★★★★★ 5

Extremely comfortable

Size: Medium, Color: Red Orange Yellow Blue

I wore a popular name-brand contour pouch brief for a decade, but when their quality tanked, I started looking for a replacement. These are perfect! There is plenty of room in the pouch to keep everything in place during physical labor, and they offer full back coverage while maintaining a bikini-brief feel.

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Reviewed in the United States on April 26, 2026

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James C.

Cuba, US

★★★★★ 5

Excellent flyless low rise men’s briefs

Size: Medium, Color: Black

Try pleased with these flyless low rise briefs. Well made pouch with excellent collection of my equipment. The material is very soft and comfortable. The waist and leg areas are well constructed and fit very well to my form. I recommend these briefs as a 10/10.

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Reviewed in the United States on February 9, 2026