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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6
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Description
6311 dduc3 nsk6311DDU d 55 mm Bore diameter D 120 mm Outside diameter B 29 mm Width r (min.) 2 mm Chamfer dimension Cr 78500 N Basic dynamic load rating C0r 44500 N Basic static load rating Grease 4000 min 1 Grease lubrication da (min.) 64 mm Diameter of shaft abutment (min) da (max.) 72. 5 mm Diameter of shaft abutment Da (max.) 111 mm Diameter of housing abutment ra (max.) 2 mm Radius of shaft or housing fillet fo 13. 1 Factor z 8 Number of Balls Dw 20. 638 mm
| 6311DDU |
| d | 55 | mm | Bore diameter |
| D | 120 | mm | Outside diameter |
| B | 29 | mm | Width |
| r (min.) | 2 | mm | Chamfer dimension |
| Cr | 78500 | N | Basic dynamic load rating |
| C0r | 44500 | N | Basic static load rating |
| Grease | 4000 | min-1 | Grease lubrication |
| da (min.) | 64 | mm | Diameter of shaft abutment (min) |
| da (max.) | 72.5 | mm | Diameter of shaft abutment |
| Da (max.) | 111 | mm | Diameter of housing abutment |
| ra (max.) | 2 | mm | Radius of shaft or housing fillet |
| fo | 13.1 | Factor |
| z | 8 | Number of Balls | |
| Dw | 20.638 | mm | Ball Diameter (mm) |
| Mass approx. | 1.37 | 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.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
MY CHIHUAHUA LOVES THESE BALLS!!
Color: Samll Set of 8
My little chihuahua, BamBam, is addicted to balls, especially little balls that squeak! However, any balls that have material on them, BamBam will tear them apart, swallow the material and then get an upset tummy! These balls saved the day! BamBam LOVES them & she cannot tear them apart! They hold up so well! No matter how much BamBam plays with them, they keep squeaking away!
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Reviewed in the United States on July 15, 2025
★★★★★ 5
Great thick squeaky ball
Color: Large Set of 2
These are good thick rubbery squeaky balls. My boy loves them! He's 75lbs. Strong chewer. I hav hard time squeezing to squeak, but he doesn't... He loves it!!!
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Reviewed in the United States on March 24, 2026
★★★★★ 5
Squeaky ball
Color: Large Set of 4
Perfect squeaky ball. Dogs love them. I love that they're durable and their thickness aids their durability. My Great Dane will play alone for hours with a ball.
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Reviewed in the United States on June 20, 2025
★★★★★ 5
Fun
Color: Interactive Dog Ball
Fun!
Second purchase. Solid and rugged for 22 lb dog. He loves it.
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Reviewed in the United States on December 21, 2025
★★★★★ 5
Really indestructible
Color: Yellow
As advertised. I have an obsessed 16lb mixed breed dog that has destroyed everything purchased that says indestructible. Until now... These balls really are indestructible. She loves them and plays with 2-3 at a time. Chews on them and still going. They are the size of regular tennis balls. Others are slightly smaller. These are great and bright... Mooky highly recommends.
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Reviewed in the United States on March 25, 2026