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Ships within 48 hours · Estimated delivery Aug 24 - Aug 29
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Description
6328 C3 NSK63 28 d 28 mm Bore diameter D 68 mm Outside diameter B 18 mm Width r (min.) 1. 1 mm Chamfer dimension d1 55. 6 mm Outside diameter of inner ring D1 40. 4 mm Bore diameter of outer ring Cr 29400 N Basic dynamic load rating C0r 14000 N Basic static load rating Grease 10000 min 1 Grease lubrication Oil (Oil bath) 13000 min 1 Oil bath lubrication da (min.) 34. 5 mm Diameter of shaft abutment (min) da (max.) 38 mm Diameter of shaft abutment Da (max.) 61. 5
| 63/28 |
| d | 28 | mm | Bore diameter |
| D | 68 | mm | Outside diameter |
| B | 18 | mm | Width |
| r (min.) | 1.1 | mm | Chamfer dimension |
| d1 | 55.6 | mm | Outside diameter of inner ring |
| D1 | 40.4 | mm | Bore diameter of outer ring |
| Cr | 29400 | N | Basic dynamic load rating |
| C0r | 14000 | N | Basic static load rating |
| Grease | 10000 | min-1 | Grease lubrication |
| Oil (Oil-bath) | 13000 | min-1 | Oil-bath lubrication |
| da (min.) | 34.5 | mm | Diameter of shaft abutment (min) |
| da (max.) | 38 | mm | Diameter of shaft abutment |
| Da (max.) | 61.5 | mm | Diameter of housing abutment |
| ra (max.) | 1 | mm | Radius of shaft or housing fillet |
| fo | 12.4 | Factor |
| z | 7 | Number of Balls | |
| Dw | 12.7 | mm | Ball Diameter (mm) |
| Mass approx. | 0.287 | kg | Mass approx. |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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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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- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 13 reviews
Sort
Product Reviews
★★★★★ 5
Indestructible
Color: 3PC-Bacon-Brown, Pattern Name: Tough Dog Toys
Finally found a chew bone strong enough for our pit mix, would highly recommend for an agressive chewer! Will buy again
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 12, 2026
★★★★★ 5
My four approve
Color: 3PC-Bacon-Brown, Pattern Name: Tough Dog Toys
My dogs, which I have 4, 2 labradors, one Jack Russell and one medium smallish mixed breed dog, all really love the bones. Three of them seem to be vigorous chewers the mixed breed girl being the toughest one on bones. These bones are holding up really well and the dogs really seem to like them. The dogs have not been able to get any big chunks off of the bones so I feel safe letting them have them even when I’m not watching. I would recommend these to Pet owners.
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Reviewed in the United States on May 22, 2026
★★★★★ 3
Size
Color: 3PC-Bacon-Brown, Pattern Name: Tough Dog Toys
I have a medium sized dog and these were to big for him. A bigger dog would love them. Great for chewers.
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Reviewed in the United States on May 23, 2026
★★★★★ 5
The best for my 3 extreme chewers!!
Size: 9.75"
These are the only bones I buy!!! We have three extreme chewers, pitty, Great Dane, German Shepard, and they love these! They last for about 6 months or so before they get to small for my liking and I order more. That is amazing considering the "toughest" toys that are "indestructible" usually last three minutes max lol. I like that they are made of good ingredients and made in the USA, and they don't have any weird smells like some bones I've tried. They all go bananas when I get a new box in, definitely my only go to for extreme chewers!!
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Reviewed in the United States on October 8, 2025
★★★★★ 5
10/10!
Size: 6", Size: 6"
My dogs love the Boar BarkBone! I ordered a medium thinking it would still be pretty big, but it came in looking more like a small, hence the name of the "Boar" BarkBone. The Dino BarkBones seem to size up one and the Boar BarkBones size down one, so keep that in kind when getting one for your furry friend. Nevertheless, my two smaller dogs still enjoy chewing on this bone! It is easy for them to keep a hold of and easy to chew on. Like other Pet Qwerks bones we’ve gotten in the past, it does not smell to me, but the dogs seem to love the smell and it is everlasting throughout the entire life of the bone. It doesn’t ever break off in easy-to-swallow chunks and is actually pretty hard to break into. This bone is perfect for every dog, from light chewers to tough chewers, and is something I would recommend to anyone!
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Reviewed in the United States on July 18, 2019