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Description
nu312 etc3 nskNU312ET d 60 mm Bore diameter D 130 mm Outside diameter B 31 mm Width FW 77 mm Raceway diameter of inner ring r (min.) 2. 1 mm Chamfer dimension r1 (min.) 2. 1 mm Chamfer dimension Cr 184000 N Basic dynamic load rating C0r 157000 N Basic static load rating Thermal Speed Rating (Oil bath) 5600 min 1 Oil bath lubrication subject to conditions outlined in ISO 15312 Mechanical (forced circulation oil) 6700 min 1 Properly designed and controlled forced
| NU312ET |
| d | 60 | mm | Bore diameter |
| D | 130 | mm | Outside diameter |
| B | 31 | mm | Width |
| FW | 77 | mm | Raceway diameter of inner ring |
| r (min.) | 2.1 | mm | Chamfer dimension |
| r1 (min.) | 2.1 | mm | Chamfer dimension |
| Cr | 184000 | N | Basic dynamic load rating |
| C0r | 157000 | N | Basic static load rating |
| Thermal Speed Rating (Oil-bath) | 5600 | min-1 | Oil-bath lubrication subject to conditions outlined in ISO 15312 |
| Mechanical (forced-circulation oil) | 6700 | min-1 | Properly designed and controlled forced-circulation oil lubrication |
| Grease | 4800 | min-1 | Grease lubrication |
| Oil (Oil-bath) | 5600 | min-1 | Oil-bath lubrication |
| da (min.) | 71 | mm | Diameter of shaft abutment (min) |
| db (min.) | 71 | mm | Diameter of shaft / spacer sleeve abutment |
| db (max.) | 75 | mm | Diameter of shaft / spacer sleeve abutment |
| dc (min.) | 79 | mm | Diameter of shaft abutment |
| dd (min.) | 86 | mm | Diameter of shaft abutment |
| Da (max.) | 119 | 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. | 1.77 | kg | Mass approx. |
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4.2 ★★★★★
Based on 2459 reviews
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Product Reviews
★★★★★ 5
Tough read for a newbie
Format: Paperback
To start off, I am not the world’s best at writing code. I do have a low level understanding of the concepts and can figure out (with a longer amount of time) how to get some of the code functional.
With this in mind, this book (if your a beginner or struggle with Python) is going to be a tough read and hard to practice. Its pseudocode is solid and makes the coding easier but you need to beware of pythons syntax differences between the different versions when you are using this. (This is something I struggle with).
I am beyond happy with this book, albeit there are typos and errors inside it but I think it’s solid for practice in this field.
Coming from a nontechnical profession, having the concepts explained and taken out from theory into working practice helps understand the practical side of doing something like this.
Despite being a tough read, i have the frame of mind that ethical hacking and program development is not for a total newbie and some experience is needed for maximum efficiency.
Hope this helps!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 23, 2024
★★★★★ 5
💯 just buy
Format: Paperback
Hey guys I'm a im an E-black belt now
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 22, 2026
★★★★★ 5
Great learning guide!
Format: Paperback
Great book to learn from and well written!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 4, 2024
★★★★★ 5
Excelente
Format: Paperback
Excelente
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 15, 2025
★★★★★ 5
Use boxes
Format: Paperback
Loving this so far but no book will tell you how to import the projects use the boxes on the sides of your pc
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 9, 2025
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