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Ships within 48 hours · Estimated delivery Jul 20 - Jul 25
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Description
21317 EAKE4C3 NSK21317EAKE4 d 85 mm Bore diameter D 180 mm Outside diameter B 41 mm Width r (min.) 3 mm Chamfer dimension Cr 360000 N Basic dynamic load rating C0r 395000 N Basic static load rating Thermal Speed Rating (Oil bath) 3800 min 1 Oil bath lubrication subject to conditions outlined in ISO 15312 Mechanical (forced circulation oil) 5000 min 1 Properly designed and controlled forced circulation oil lubrication Grease 3000 min 1 Grease lubrication Oil (Oil bath)
| 21317EAKE4 |
| d | 85 | mm | Bore diameter |
| D | 180 | mm | Outside diameter |
| B | 41 | mm | Width |
| r (min.) | 3 | mm | Chamfer dimension |
| Cr | 360000 | N | Basic dynamic load rating |
| C0r | 395000 | N | Basic static load rating |
| Thermal Speed Rating (Oil-bath) | 3800 | min-1 | Oil-bath lubrication subject to conditions outlined in ISO 15312 |
| Mechanical (forced-circulation oil) | 5000 | min-1 | Properly designed and controlled forced-circulation oil lubrication |
| Grease | 3000 | min-1 | Grease lubrication |
| Oil (Oil-bath) | 4000 | min-1 | Oil-bath lubrication |
| da (min.) | 99 | mm | Diameter of shaft abutment (min) |
| da (max.) | 108 | mm | Diameter of shaft abutment |
| Da (min.) | 142 | mm | Diameter of housing abutment |
| Da (max.) | 166 | mm | Diameter of housing abutment |
| ra (max.) | 2.5 | mm | Radius of shaft or housing fillet |
| e | 0.24 | Constant | |
| Y2 | 4.3 | Axial load Factors | |
| Y3 | 2.9 | Axial load Factors | |
| Y0 | 2.8 | Axial load Factors |
| Mass approx. | 5.2 | kg | Mass approx. |
| Adapter | H317X | Adapter | |
| Withdrawal sleeve | AHX317 | Withdrawal sleeve |
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
4.4 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 5
Really snug, but not uncomfortable
Size: Large, Color: Black
I don't know why these were so much tighter than all the other UA socks I've bought over the years. Not uncomfortable, just really tight when putting them on.
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Great quality
Size: X-Large, Color: Black
Teenager loves these socks!
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Reviewed in the United States on May 22, 2026
★★★★★ 1
Leg part is TIGHT
Size: X-Large, Color: Black
I am a size 15, and the foot portion is comfortable enough, but the fit of the leg portion is so exceedingly tight that I can't wear them for long, which makes them worthless. I would return them if I didn't already toss the packaging.
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Perfect fit
Size: Large, Color: (100) White / White / Black
Durable and comfortable. Size works well. Very soft with nice thickness for training. Fairly long lasting
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Reviewed in the United States on February 12, 2026
★★★★★ 5
Post-COVID Sock Hunt: Finally a Win
Size: Medium, Color: (001) Black / Black / White
Ever since COVID, I haven’t been able to find a pair of socks that hold up for more than a few months. Brands like UA, Adidas, and others seem to have cut corners—likely in response to inflation—by downgrading materials and labor rather than raising prices. The result? Socks that wear thin, rip easily, or lose shape fast.
These, however, have been a pleasant surprise. I’ve been wearing them for a few weeks and so far, they’re holding strong. You can tell some cost-saving measures were still made—certain areas feel slightly thinner—but overall, the construction is solid.
A key win: they stay on. These are ankle socks (not “no-shows”), and they hug the ankle securely. That’s a huge plus in a world where most post-COVID no-shows slide off halfway through the day.
We may never get back to the pre-COVID quality standards without paying a premium, but for now, these are a reliable choice.
Ratings:
• No slipping: 10/10
• Price: 7/10
• Durability (so far): No pilling or loose threads — promising start.
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Reviewed in the United States on March 24, 2025