Single Lip Nitrile Rotary Shaft Seal (2.813x4.003x0.438 Inch)

Single Lip Nitrile Rotary Shaft Seal (2.813x4.003x0.438 Inch)

Marsoni

M251S

$24.95

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

Single Lip Nitrile Rotary Shaft Seal (2.813x4.003x0.438 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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This ball has been a great way to keep my dog entertained, especially when I can’t play nonstop. The movement really grabs their attention, and the 3 play modes are a nice touch depending on how energetic your dog is feeling. It works well both indoors and outside, and my dog loves chasing it around. It's not noisy at all and has thicker material so it cannot be easily chewed or ripped. The E-TPU material feels durable and has held up well so far, even with pretty rough play. It’s easy to use, simple to switch modes, and keeps my dog busy for a good amount of time without getting bored. Definitely a fun and engaging toy for medium to large dogs, especially if they need extra stimulation. Would recommend for supervised play!

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Reviewed in the United States on December 14, 2025

Verified Purchase

Melissa Elie

Carnegie, US

★★★★★ 5

Keeps him entertained!

My dog loves this ball! It's very durable, I love how it moves and jumps aorunf on it own keeping my dog entertained. The battery life is great, I have no complaints. It's very quiet also.

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Reviewed in the United States on March 3, 2026

Verified Purchase

Eric K

Waukegan, US

★★★★★ 4

Keeps the dog occupied

The ball seems to work fine. My only complaint is that it’s a little loud.

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Reviewed in the United States on June 9, 2026