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Description
NJ2211 ETC3 NSKNJ2211ET d 55 mm Bore diameter D 100 mm Outside diameter B 25 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 125000 N Basic dynamic load rating C0r 122000 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
| NJ2211ET |
| d | 55 | mm | Bore diameter |
| D | 100 | mm | Outside diameter |
| B | 25 | 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 | 125000 | N | Basic dynamic load rating |
| C0r | 122000 | 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. | 0.799 | kg | Mass approx. |
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4.6 ★★★★★
Based on 1925 reviews
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Product Reviews
★★★★★ 5
Detailed. Complete. Well done
Format: Paperback
I’m learning rock climbing with the Boy Scouts and this book is a great addition to the training I’m receiving. Explanations are clear and eaay to follow through
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Reviewed in the United States on May 18, 2018
★★★★★ 5
over all good book, quality pictures
Format: Paperback
this book will get you ready for the course, but there is a lot to learn outside of the book as well. Training and time is the only way to become truly proficient at the skills out lined in this book. over all good book, quality pictures.
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Reviewed in the United States on November 7, 2017
★★★★★ 5
Great way to prepare
Format: Paperback
Excellent way to prepare for the AMGA SPI course and exam. Buy it early and start to practice.
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Reviewed in the United States on May 19, 2020
★★★★★ 5
Great for semi-experienced looking to build on knowledge.
Format: Paperback
Fantastic instructional manual if you already have some basic knowledge of anchors, ropework and climbing technique. It is written as an instructional manual for climbers looking to turn into guides so if you're brand new this probably isn't the best option for you.
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Reviewed in the United States on August 18, 2014
★★★★★ 5
Clear, straight forward, and authoritative
Format: Paperback
Excellent, straightforward information about how to stay safe at the crag. Every guy who's put his hand on a rock has an opinion about how to set anchors, belay, etc -- this book gives you the answers on how to do things the right way. Spend the 10 or 15 bucks and read the book. It might save your life.
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Reviewed in the United States on August 5, 2018