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Description
21312EAE4 NSK21312EAE4 d 60 mm Bore diameter D 130 mm Outside diameter B 31 mm Width r (min.) 2. 1 mm Chamfer dimension Cr 238000 N Basic dynamic load rating C0r 244000 N Basic static load rating Thermal Speed Rating (Oil bath) 4800 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 3800 min 1 Grease lubrication Oil (Oil
| 21312EAE4 |
| d | 60 | mm | Bore diameter |
| D | 130 | mm | Outside diameter |
| B | 31 | mm | Width |
| r (min.) | 2.1 | mm | Chamfer dimension |
| Cr | 238000 | N | Basic dynamic load rating |
| C0r | 244000 | N | Basic static load rating |
| Thermal Speed Rating (Oil-bath) | 4800 | 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 | 3800 | min-1 | Grease lubrication |
| Oil (Oil-bath) | 4800 | min-1 | Oil-bath lubrication |
| da (min.) | 72 | mm | Diameter of shaft abutment (min) |
| da (max.) | 87 | mm | Diameter of shaft abutment |
| Da (min.) | 117 | mm | Diameter of housing abutment |
| Da (max.) | 118 | mm | Diameter of housing abutment |
| ra (max.) | 2 | mm | Radius of shaft or housing fillet |
| e | 0.22 | Constant | |
| Y2 | 4.5 | Axial load Factors | |
| Y3 | 3 | Axial load Factors | |
| Y0 | 3 | Axial load Factors |
| Mass approx. | 1.98 | kg | Mass approx. |
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4.6 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
The shape of the world as it is now and has been
Format: Hardcover
I am currently reading this book. I am a specialist in political science, history, Latin American studies and an "old guy" now, born just post-WWII. This is in a long life of study and research and living in three countries--US my birth country and two very different Latin American countries, just for context. I can simply and unreservedly say that this is one of the most important books I have ever read. Not only interesting to read for any caring person, but absolutely requisite.
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Reviewed in the United States on February 23, 2026
★★★★★ 5
A Must Read
Format: Hardcover
Truly insightful work. Is there anything less to expect from Alfred McCoy? Start the new year off right with this timely read - you won't regret it.
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Reviewed in the United States on January 9, 2026
★★★★★ 5
Great
Format: Paperback
As expected. Fun to read
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Reviewed in the United States on September 17, 2025
★★★★★ 5
Sweet story
Format: Paperback
This is a sweet story for an early independent reader. Nice pictures to go along with the storyline.
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Reviewed in the United States on May 23, 2022
★★★★★ 5
Best Book for Kids who move around a lot...
Format: Paperback
Best book ever for children who move around a lot....
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Reviewed in the United States on February 19, 2020