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Description
21311 EAE4C3 NSK21311EAE4 d 55 mm Bore diameter D 120 mm Outside diameter B 29 mm Width r (min.) 2 mm Chamfer dimension Cr 178000 N Basic dynamic load rating C0r 174000 N Basic static load rating Thermal Speed Rating (Oil bath) 5300 min 1 Oil bath lubrication subject to conditions outlined in ISO 15312 Mechanical (forced circulation oil) 8000 min 1 Properly designed and controlled forced circulation oil lubrication Grease 4500 min 1 Grease lubrication Oil (Oil bath)
| 21311EAE4 |
| d | 55 | mm | Bore diameter |
| D | 120 | mm | Outside diameter |
| B | 29 | mm | Width |
| r (min.) | 2 | mm | Chamfer dimension |
| Cr | 178000 | N | Basic dynamic load rating |
| C0r | 174000 | N | Basic static load rating |
| Thermal Speed Rating (Oil-bath) | 5300 | min-1 | Oil-bath lubrication subject to conditions outlined in ISO 15312 |
| Mechanical (forced-circulation oil) | 8000 | 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.) | 65 | mm | Diameter of shaft abutment (min) |
| da (max.) | 72 | mm | Diameter of shaft abutment |
| Da (min.) | 98 | mm | Diameter of housing abutment |
| Da (max.) | 110 | mm | Diameter of housing abutment |
| ra (max.) | 2 | mm | Radius of shaft or housing fillet |
| e | 0.23 | Constant | |
| Y2 | 4.4 | Axial load Factors | |
| Y3 | 3 | Axial load Factors | |
| Y0 | 2.9 | Axial load Factors |
| Mass approx. | 1.58 | kg | Mass approx. |
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4.3 ★★★★★
Based on 2322 reviews
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Product Reviews
★★★★★ 4
This book is great to share with friends and an excellent conversation starter ...
Format: Paperback
A quick but thoughtful read. This book is great to share with friends and an excellent conversation starter without being exactly political, in the negative sense of the word. Inspires constructive conversation regardless of your background.
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Reviewed in the United States on February 18, 2017
★★★★★ 5
Best book on the subject
Format: Paperback
Short yet concise argument for ending wars.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 31, 2022
★★★★★ 5
A must learn
Format: Paperback
Too important to be forgitten
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 14, 2019
★★★★★ 5
It's How Wars End That Become Important Afterward
Format: Paperback
The twentiety century taught us a lot about wars and how they end. World War I showed us that making strong demands on the defeated (who didn't admit defeat to their own people) set the stage for the next big war.
World War II was fought until the Unconditional Surrender of the Germans and Japanese. Something that thinkers still debate as having made them fight all that harder.
VietNam was fought with no clear end in sight, and "another VietNam" entered our language.
The first Gulf War was ended when Colin Powell and Bush II debated how to end the war. They stopped before they had to go in and see what the Sunni's, Shiite's and Kurds made of the power vacuum left by the removal of Saddam would have created. Bush II is learning about this now.
This is the second revised edition of this book, originally published in 1971 and then updated in 1991 and now 2005 to reflect happenings in new wars.
Still some of the old wars had interesting insights that I didn't know before, such as how Finland, originally on Germany's side against Russia, made a peace with Russia and kicked the Germans out before they became a Russian province. Great Book.
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Reviewed in the United States on April 6, 2005
★★★★★ 3
Complementary readings
Format: Paperback
There are already three good reviews so I will only suggest reading the following books instead of, or in addition to, this peculiar work: a) "War in human civilization" by Azar Gat; b) "War before Civilization. The Myth of the Peaceful Savage", by Lawrence Keeley; c) "How War Began" by Keith F. Otterbein; d) "War and Peace and War: The Rise and Fall of Empires" by Peter Turchin; and e) "War and the Law of Nations: A General History" by Stephen Neff.
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Reviewed in the United States on August 8, 2009
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