Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 15 - Jul 20
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Description
21311EAE4 NSK21311EAE4 d 55 mm Bore diameter D 120 mm Outside diameter B 29 mm Width r (min.) 2 mm Chamfer dimension Cr 178000 N Basic dynamic load rating C0r 174000 N Basic static load rating Thermal Speed Rating (Oil bath) 5300 min 1 Oil bath lubrication subject to conditions outlined in ISO 15312 Mechanical (forced circulation oil) 8000 min 1 Properly designed and controlled forced circulation oil lubrication Grease 4500 min 1 Grease lubrication Oil (Oil bath)
| 21311EAE4 |
| d | 55 | mm | Bore diameter |
| D | 120 | mm | Outside diameter |
| B | 29 | mm | Width |
| r (min.) | 2 | mm | Chamfer dimension |
| Cr | 178000 | N | Basic dynamic load rating |
| C0r | 174000 | N | Basic static load rating |
| Thermal Speed Rating (Oil-bath) | 5300 | min-1 | Oil-bath lubrication subject to conditions outlined in ISO 15312 |
| Mechanical (forced-circulation oil) | 8000 | min-1 | Properly designed and controlled forced-circulation oil lubrication |
| Grease | 4500 | min-1 | Grease lubrication |
| Oil (Oil-bath) | 5600 | min-1 | Oil-bath lubrication |
| da (min.) | 65 | mm | Diameter of shaft abutment (min) |
| da (max.) | 72 | mm | Diameter of shaft abutment |
| Da (min.) | 98 | mm | Diameter of housing abutment |
| Da (max.) | 110 | mm | Diameter of housing abutment |
| ra (max.) | 2 | mm | Radius of shaft or housing fillet |
| e | 0.23 | Constant | |
| Y2 | 4.4 | Axial load Factors | |
| Y3 | 3 | Axial load Factors | |
| Y0 | 2.9 | Axial load Factors |
| Mass approx. | 1.58 | 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
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.5 ★★★★★
Based on 475 reviews
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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.
WAS THIS REVIEW HELPFUL?YesReportShare
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.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
★★★★★ 5
Great enrichment
Size: 2.8in for Small & Medium Dogs
These are great for our 3 dogs, they’re durable and strong. The pup ford training treats fit great into these and it takes our dogs a good bit to get all the treats out. Easy to clean and a great enrichment toy, will buy again!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 6, 2026
★★★★★ 5
My dog looks forward to this every day
Size: 2.8in for Small & Medium Dogs
My dog used to have separation anxiety every time I left the house. I tried to find things to distract her when I left, but nothing kept her attention long enough for me to get out of the house. I stuff treats in this ball and she keeps focused and gets all of the treats out. Perfect solution to keep her occupied as I leave for work. Very easy to put treats in and I’ve had it for about 6 months now, which is great because my dog chews toys to pieces within days! High quality ball. I love it so much (well, my dog loves it so much), I bought one to give my neighbor’s dog.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 7, 2025
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