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Ships within 48 hours · Estimated delivery Jul 24 - Jul 29
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Description
NU211 ET NSKNU211ET d 55 mm Bore diameter D 100 mm Outside diameter B 21 mm Width FW 66 mm Raceway diameter of inner ring r (min.) 1. 5 mm Chamfer dimension r1 (min.) 1. 1 mm Chamfer dimension Cr 106000 N Basic dynamic load rating C0r 98500 N Basic static load rating Thermal Speed Rating (Oil bath) 6700 min 1 Oil bath lubrication subject to conditions outlined in ISO 15312 Mechanical (forced circulation oil) 8500 min 1 Properly designed and controlled forced
| NU211ET |
| d | 55 | mm | Bore diameter |
| D | 100 | mm | Outside diameter |
| B | 21 | mm | Width |
| FW | 66 | mm | Raceway diameter of inner ring |
| r (min.) | 1.5 | mm | Chamfer dimension |
| r1 (min.) | 1.1 | mm | Chamfer dimension |
| Cr | 106000 | N | Basic dynamic load rating |
| C0r | 98500 | N | Basic static load rating |
| Thermal Speed Rating (Oil-bath) | 6700 | min-1 | Oil-bath lubrication subject to conditions outlined in ISO 15312 |
| Mechanical (forced-circulation oil) | 8500 | min-1 | Properly designed and controlled forced-circulation oil lubrication |
| Grease | 5600 | min-1 | Grease lubrication |
| Oil (Oil-bath) | 7100 | min-1 | Oil-bath lubrication |
| da (min.) | 63 | mm | Diameter of shaft abutment (min) |
| db (min.) | 61.5 | mm | Diameter of shaft / spacer sleeve abutment |
| db (max.) | 64 | mm | Diameter of shaft / spacer sleeve abutment |
| dc (min.) | 68 | mm | Diameter of shaft abutment |
| dd (min.) | 73 | mm | Diameter of shaft abutment |
| Da (max.) | 92 | mm | Diameter of housing abutment |
| rb (max.) | 1 | mm | Radius of shaft or housing fillet |
| ra (max.) | 1.5 | mm | Radius of shaft or housing fillet |
| Mass approx. | 0.652 | 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
4.0 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 4
Solid Everyday Mouse with a Few Comfort Trade-Offs
I’ve been using this Amazon Basics 2.4 GHz wireless optical mouse as a simple, no-frills option, and overall it does exactly what it’s supposed to do. Setup was instant with the USB nano receiver, tracking is accurate, and the wireless connection has been reliable with no dropouts or lag during daily use. It’s lightweight and works well for general browsing and office tasks.
Where it falls a bit short for me is ergonomics. Compared to my Logitech mouse, this one doesn’t feel quite as natural or contoured in the hand during longer sessions. It’s by no means uncomfortable, just not as refined in terms of hand fit. That said, for the price and simplicity, it’s a dependable mouse that gets the job done. A solid choice if you want something basic and reliable.
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Reviewed in the United States on January 10, 2026
★★★★★ 5
Love it
I’m honestly impressed with this mouse. The Wireless Optical Mouse works exactly as it should—simple, reliable, and smooth. Setup was instant, just plug in the USB receiver and it’s ready to go. No lag or connectivity issues at all.
The tracking is precise, and it feels comfortable even after long use. The battery life is solid, and I like that it goes into sleep mode to save power. It’s lightweight but still feels well-built, not cheap.
For the price, this is a great value. If you need a dependable wireless mouse without overpaying for unnecessary features, this is a perfect choice.
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Reviewed in the United States on April 24, 2026
★★★★★ 5
Amazon basics mouse
Good mouse with hight quality. Works like a charm. I recommend for anyone looking for a cheap high quality Amazon basics mouse. You wont regret it.
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Reviewed in the United States on June 6, 2026
★★★★★ 5
Awesome quality mouse
Fantastic value. First it feels like a quality mouse and works like a mouse 3-4x the price. It is solid and has nice weight to it, not like some of the flimsy competitors. I am buying another just to have.
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Great Mouse
I normally use the Logitech M325c. I've gone through dozens over the years. It works very well, but they seem to wear out fast; the wheel scroll is what fails. I decided to give the Amazon Basics a try. So far, it looks, feels, and functions the same as the Ltech; it doesn't have the fun colors, but if it holds up longer than a year, it's a fair tradeoff. I will revise this review if things change in the future, but as of now, I would recommend the Amazon Basics and will replace the other Ltech's when the time comes.
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Reviewed in the United States on May 7, 2026
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