NTN SNR Four-Bolt Flanged Unit (UCF308) - Sparex Part S.138325

NTN SNR Four-Bolt Flanged Unit (UCF308) - Sparex Part S.138325

Marsoni

M251S

$158.04

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

NTN SNR Four-Bolt Flanged Unit (UCF308) - Sparex Part S.138325Product Title: NTN SNR Four Bolt Flanged Unit (UCF308) Sparex Part No. S. 138325 ID: 40mm Product Specifications A2 (mm) 56 Bearing Reference UCF308 Bearing Type UCF Brand NTN SNR d (mm) 40 Inner (mm) 40 J (mm) 112 L (mm) 150 Metric or Imperial Metric N (mm) 19 Seal Type 2RS Tariff Code 8482200000 Suitable For This flanged unit is compatible with the following Keenan models: 160, 170L, 170S, 200, 340, 350, 360, 370. Manufacturer Information Part

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We've had this for about six months and my 75 lb, 14-month-old German Shepherd pup LOVES IT. Her favorite is "Crazy Bouncing Mode." In fact, she doesn't care much for the normal mode. She chews it a lot - even drops it in her water bowl at times - and it's still going strong. This is a great purchase. It's nice hands-off entertainment. Do know that it is heavy compared to a normal ball - if your pup likes dropping it on the ground like mine does, it will land with a hard "thud," even with the included sleeve. Hopefully you don't have downstairs neighbors. Also know that the cover that goes over the charging port is removable and your dog may choke on it if they chew it in just the right manner. Definitely only let the pup play with it while supervised. All in all, great toy.

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Reviewed in the United States on February 11, 2026

Verified Purchase

Amazon Customer

Alexandria, US

★★★★★ 5

Nice fabric weight.

Comfortable and cool

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Reviewed in the United States on August 9, 2025

Verified Purchase

Amazon Customer

Los Angeles, US

★★★★★ 5

Love these Chuckits!

These are awesome. Haven't broke one yet and the puppy loves it and so does my arm! Doesn't hurt to cast it out. Yay me!

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Reviewed in the United States on May 27, 2026

Verified Purchase

Amazon Customer

Port Orchard, US

★★★★★ 1

No returns… Confusing description

The seller doesn’t allow returns with this product. This product was much smaller than I expected, and I wouldn’t even re-gift it to a friend with a smaller dog. Why? Because they already tried a similar size and said it kept their hands clean… but gave them tennis elbow.

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Reviewed in the United States on January 2, 2023

Verified Purchase

Catch22ge

Lowell, US

★★★★★ 5

Captain loves it

So much easier to throw the ball. Pair with the three set of chuck-it balls. My parents can finally throw it far again

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Reviewed in the United States on August 6, 2025