53701 Single Lip Nitrile Rotary Shaft Seal (5.375x6.625x0.5 Inch)

53701 Single Lip Nitrile Rotary Shaft Seal (5.375x6.625x0.5 Inch)

Marsoni

M251S

$44.04

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

53701 Single Lip Nitrile Rotary Shaft Seal (5.375x6.625x0.5 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. SKF 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 SKF range of CR

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These tennis-style balls are, as promised, much tougher and thicker-skinned than an ordinary tennis ball, being made as a fetching ball for dogs. I bought them as foot covers for the legs of walkers used by the elderly, a very popular use. They work extremely well to protect rugs and flooring, and to make a quiet gliding cover, easier for seniors to move smoothly without snags. The usual tennis balls used for this purpose wear out pretty quickly, but this ball was made to be repeatedly fetched and gnawed on by your Rottweiler, so it's a big improvement. You will need a good cutting tool to score in the crosswise slits where you insert the walker leg; it's too tough for your household scissors, but that's just the point, right? It's tough. Very much recommended!

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Reviewed in the United States on March 8, 2024

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SC_B2

Whiting, US

★★★★★ 5

Not great quality

Color: Regular-Red, Size: 2.5"(Medium)-12 Pack

My dog is 7 months old, about 35lbs as of this review. These balls barely lasted a month as they all kept breaking if thrown against anything or just bounced repetitively. The color is good so that you can see it better in the dark, but I would not say these balls are worth the price. Update 2023-12: After posting my review the seller contacted me and provided me with two free sets of balls as an apology for the bad quality of the original set. So far these are holding much better with my dog and she loves to play fetch with them.

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Reviewed in the United States on November 25, 2023

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Karen

Bozeman, US

★★★★★ 4

Good minus one problem.

Color: Squeaky-Multi Colors, Size: 2.0"(Small)-4 Pack

1 of the 4 balls didn’t squeak. Other than that, good product.

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Reviewed in the United States on August 5, 2025

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