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- USA
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Ships within 48 hours · Estimated delivery Jul 6 - Jul 11
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Description
6818 ddu nsk6818DDU d 90 mm Bore diameter D 115 mm Outside diameter B 13 mm Width r (min.) 1 mm Chamfer dimension Cr 20900 N Basic dynamic load rating C0r 21000 N Basic static load rating Grease 3000 min 1 Grease lubrication da (min.) 95 mm Diameter of shaft abutment (min) da (max.) 95. 5 mm Diameter of shaft abutment Da (max.) 110 mm Diameter of housing abutment ra (max.) 1 mm Radius of shaft or housing fillet fo 17. 2 Factor z 24 Number of Balls Dw 7. 144 mm
| 6818DDU |
| d | 90 | mm | Bore diameter |
| D | 115 | mm | Outside diameter |
| B | 13 | mm | Width |
| r (min.) | 1 | mm | Chamfer dimension |
| Cr | 20900 | N | Basic dynamic load rating |
| C0r | 21000 | N | Basic static load rating |
| Grease | 3000 | min-1 | Grease lubrication |
| da (min.) | 95 | mm | Diameter of shaft abutment (min) |
| da (max.) | 95.5 | mm | Diameter of shaft abutment |
| Da (max.) | 110 | mm | Diameter of housing abutment |
| ra (max.) | 1 | mm | Radius of shaft or housing fillet |
| fo | 17.2 | Factor |
| z | 24 | Number of Balls | |
| Dw | 7.144 | mm | Ball Diameter (mm) |
| Mass approx. | 0.276 | kg | Mass approx. |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 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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4.0 ★★★★★
Based on 1884 reviews
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Product Reviews
★★★★★ 5
My Golden Retriever’s favorite
We’ve owned lots of toys and balls. This specific version (in blue) has been her absolute favorite. She’s about 72lbs and chews on this thing regularly with no visible damage. We actually own about 6 of them because they have a tendency to go missing underneath furniture and in the yard. We have two of the orange colored ones but she doesn’t like those nearly as much which I assume is because the blue is easier to see in the grass.
Other than that…They bounce really well and also whistle a little when you throw them hard enough. I hope they never stop making these.
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Reviewed in the United States on October 6, 2024
★★★★★ 4
doesn't whistle as loud as other chuckit balls I've seen, but a good ball.
makes some noise, but I've seen (and played with) others at the dog park that whistle much louder than the 1 I got. all Chuckit balls... so, just this one I'm betting.
but it flys good and the dog loves to chase it.
he chews it a fair bit as well and the ball has not taken much damage from him (lab mix) or others that have had a go at it.
I'll likely buy another at some point ... just wish it was a little louder when flying.
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Reviewed in the United States on November 4, 2025
★★★★★ 5
Blue ball, my dog likes blue.
Just a ball right? Evidently not! My dog won’t chase an orange chuck it ball or the glow in the dark ball- only the blue one 🤷🏼♀️
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Reviewed in the United States on May 9, 2025
★★★★★ 3
I wanted a blue ball
It's great. It just wasn't blue.
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Reviewed in the United States on January 5, 2026
★★★★★ 5
its a great ball
works well
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Reviewed in the United States on July 8, 2025