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Ships within 48 hours · Estimated delivery Jul 17 - Jul 22
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Description
2310K NSK2310K d 50 mm Bore diameter D 110 mm Outside diameter B 40 mm Width r (min.) 2 mm Chamfer dimension Cr 72000 N Basic dynamic load rating C0r 20200 N Basic static load rating Grease 5000 min 1 Grease lubrication Oil (Oil bath) 6300 min 1 Oil bath lubrication da (min.) 59 mm Diameter of shaft abutment (min) Da (max.) 101 mm Diameter of housing abutment ra (max.) 2 mm Radius of shaft or housing fillet e 0. 42 Constant Y2 2. 3 Axial load Factors Y3 1. 5
| 2310K |
| d | 50 | mm | Bore diameter |
| D | 110 | mm | Outside diameter |
| B | 40 | mm | Width |
| r (min.) | 2 | mm | Chamfer dimension |
| Cr | 72000 | N | Basic dynamic load rating |
| C0r | 20200 | N | Basic static load rating |
| Grease | 5000 | min-1 | Grease lubrication |
| Oil (Oil-bath) | 6300 | min-1 | Oil-bath lubrication |
| da (min.) | 59 | mm | Diameter of shaft abutment (min) |
| Da (max.) | 101 | mm | Diameter of housing abutment |
| ra (max.) | 2 | mm | Radius of shaft or housing fillet |
| e | 0.42 | Constant | |
| Y2 | 2.3 | Axial load Factors | |
| Y3 | 1.5 | Axial load Factors | |
| Y0 | 1.6 | Axial load Factors |
| Mass approx. | 1.58 | kg | Mass approx. |
| Adapter | H2310X | Adapter |
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
4.0 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
Very nice
Size: Large, Color: (100) White / White / Pitch Gray
I just received these for my son. They are very nice and look sturdy, but he hasn't worn them yet, so I cannot speak to how well they hold up in the wash or when worn. They appear to be the right size and look stretchy, but not the kind of stretchy that feels super tight on the foot (which I don't like). If they wear unusually well or poorly, I will come back and edit this.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 26, 2025
★★★★★ 5
MY FAVORITE SOCKS
Size: Large, Color: (001) Black / Black / Pitch Gray
I bought these originally at my local UA store and had to buy more. They are my favorite daily wear.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 25, 2026
★★★★★ 4
A sock with real support and thickness!
Size: Large, Color: (001) Black / Black / Pitch Gray
I’m pretty happy with these. It seems like sock manufacturing changed 10-15 years ago, and it’s become hard to find pairs that are actually thick and durable. I bought these for an event where I knew I’d be on my feet all day, and they did not disappoint.
They provided excellent support throughout the day, even while wearing shoes that typically make my feet ache after just a couple of hours. Glad to finally find a pair that feels well-made.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 10, 2026
★★★★★ 5
Great socks
Size: Large, Color: (001) Black / Black / Pitch Gray
Love the quality of this great product very comfortable and fits really good
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Reviewed in the United States on July 31, 2025
★★★★★ 5
Happy husband
Size: Large, Color: (001) Black / Black / Pitch Gray
Husband loved the socks.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
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