Single Lip Viton Rotary Shaft Seal (2.5x3.5x0.438 Inch)

Single Lip Viton Rotary Shaft Seal (2.5x3.5x0.438 Inch)

Marsoni

M251S

$33.90

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

Single Lip Viton Rotary Shaft Seal (2.5x3.5x0.438 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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Several pluses with this product. On start, the downside for some is shorter distance throwing wiffle ball effect. Now the very good points. Glows from UV light exposure for dusk, second part is easy for dog to breathe when running around with it. Works with the Nerf lighted launcher also with it it "charges" them up along with the "Chuckit" handle. The original one for the Nerf one lasted 3 throws before busting. . . Belgian malinois so no surprise. I'll definitely be ordering more in the future.

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Reviewed in the United States on March 4, 2026

Verified Purchase

Wendy Holliday

Battle Creek, US

★★★★★ 5

My dog loves them!

Theme: 2 Pack, Size: Medium

Check the size before buying!! They are great balls tho!!

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Reviewed in the United States on May 20, 2026

Verified Purchase

jewelrycook

Massapequa, US

★★★★★ 5

Bouncy, not hard, and good value.

Style: Fetch Balls (Pack of 10), Size: 2.5 inch

Great balls for the ball launcher and not rockhard like some of the solid rubber balls. These have great bounce, and because of the two holes, they make a fun whistling noise as they fly through the air. My dogs love them and they are a good value. By the way, if you throw them too hard, they will go through chain-link and no climb fence because they squish a bit!

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Reviewed in the United States on February 16, 2026