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Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
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Description
NUP311 ETC3 NSKNUP311ET d 55 mm Bore diameter D 120 mm Outside diameter B 29 mm Width FW 70. 5 mm Raceway diameter of inner ring r (min.) 2 mm Chamfer dimension r1 (min.) 2 mm Chamfer dimension Cr 169000 N Basic dynamic load rating C0r 143000 N Basic static load rating Thermal Speed Rating (Oil bath) 6000 min 1 Oil bath lubrication subject to conditions outlined in ISO 15312 Mechanical (forced circulation oil) 7500 min 1 Properly designed and controlled forced
| NUP311ET |
| d | 55 | mm | Bore diameter |
| D | 120 | mm | Outside diameter |
| B | 29 | mm | Width |
| FW | 70.5 | mm | Raceway diameter of inner ring |
| r (min.) | 2 | mm | Chamfer dimension |
| r1 (min.) | 2 | mm | Chamfer dimension |
| Cr | 169000 | N | Basic dynamic load rating |
| C0r | 143000 | N | Basic static load rating |
| Thermal Speed Rating (Oil-bath) | 6000 | min-1 | Oil-bath lubrication subject to conditions outlined in ISO 15312 |
| Mechanical (forced-circulation oil) | 7500 | 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.) | 64 | mm | Diameter of shaft abutment (min) |
| db (min.) | 64 | mm | Diameter of shaft / spacer sleeve abutment |
| db (max.) | 68 | mm | Diameter of shaft / spacer sleeve abutment |
| dc (min.) | 72 | mm | Diameter of shaft abutment |
| dd (min.) | 80 | mm | Diameter of shaft abutment |
| Da (max.) | 111 | mm | Diameter of housing abutment |
| rb (max.) | 2 | mm | Radius of shaft or housing fillet |
| ra (max.) | 2 | mm | Radius of shaft or housing fillet |
| Mass approx. | 1.5 | 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
4.2 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Great shoes
I like these shoes they are comfortable, and look great. Good quality, it fits to its size.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2025
★★★★★ 1
Mal presentado
Size: 9, Color: Black Full Grain
Un zapato llego con cosido defectuoso
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Reviewed in the United States on October 29, 2025
★★★★★ 5
Comfortable
Size: 11.5, Color: Black Full Grain
Fit great very comfortable
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Reviewed in the United States on October 16, 2025
★★★★★ 5
Nice shoes!
Size: 11, Color: Black Full Grain
I bought them in black and I like them so much I will be buying the brown soon. They fit true to size and are comfortable and stylish. I like the clean simplicity. They're basically a dressy sneaker which is perfect for my job's 'dress code'. Yet they're stylish enough to be worn weekends or a night out. They seemed just a touch stiff out of the box but IMO that's completely normal and fine - after just a couple days of wearing them they are breaking in nicely. No complaints on that. They seem to be of very high quality and I'm very happy with them.
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Reviewed in the United States on February 8, 2026
★★★★★ 5
Good shoes!!!!!
Size: 10, Color: Tan Full Grain
They are comfortable, they fit, great style. I bought blue, brown and black shoes.
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Reviewed in the United States on August 18, 2025