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Description
nu311 et nsk zylinderrollenlagerNU311ET d 55 mm Bore diameter D 120 mm Outside diameter B 29 mm Width FW 70. 5 mm Raceway diameter of inner ring r (min.) 2 mm Chamfer dimension r1 (min.) 2 mm Chamfer dimension Cr 169000 N Basic dynamic load rating C0r 143000 N Basic static load rating Thermal Speed Rating (Oil bath) 6000 min 1 Oil bath lubrication subject to conditions outlined in ISO 15312 Mechanical (forced circulation oil) 7500 min 1 Properly designed and controlled forced
| NU311ET |
| d | 55 | mm | Bore diameter |
| D | 120 | mm | Outside diameter |
| B | 29 | mm | Width |
| FW | 70.5 | mm | Raceway diameter of inner ring |
| r (min.) | 2 | mm | Chamfer dimension |
| r1 (min.) | 2 | mm | Chamfer dimension |
| Cr | 169000 | N | Basic dynamic load rating |
| C0r | 143000 | N | Basic static load rating |
| Thermal Speed Rating (Oil-bath) | 6000 | min-1 | Oil-bath lubrication subject to conditions outlined in ISO 15312 |
| Mechanical (forced-circulation oil) | 7500 | 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.) | 64 | mm | Diameter of shaft abutment (min) |
| db (min.) | 64 | mm | Diameter of shaft / spacer sleeve abutment |
| db (max.) | 68 | mm | Diameter of shaft / spacer sleeve abutment |
| dc (min.) | 72 | mm | Diameter of shaft abutment |
| dd (min.) | 80 | mm | Diameter of shaft abutment |
| Da (max.) | 111 | 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. | 1.43 | kg | Mass approx. |
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4.4 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 5
Great !
Format: Paperback
A great book, I’d recommend it to others ! The book came in good condition as well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
★★★★★ 5
Outstanding Book
Format: Paperback
Great book, a classic that seems more timely now than ever! First read Dr Akbar’s book years ago and bought this updated edition to replace the copy someone borrowed & never returned (another sign of a good book when they don’t get returned). So glad to have this new copy to revisit the deep wisdom and insights Dr Akbar lays out. He explains the painful & persistent psychological & sociological chains of slavery clearly and irrefutably. This book is a must read for anyone who wants to better understand why it’s so hard to heal the terrible wounds of slavery — even today, even generations past physical shackles....
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Reviewed in the United States on March 28, 2021
★★★★★ 5
Quick & Informative Read
Format: Paperback
I only called it a “quick read” because when I get warped in a book, I lose track of time. This is one of those books.
Quite an easy read.
Recently Purchased the other books that were recommended with this one.
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Reviewed in the United States on November 21, 2024
★★★★★ 5
A great read
Format: Paperback
A must read
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Reviewed in the United States on September 19, 2025
★★★★★ 5
Life altering
Format: Paperback
I really read this book because it was assigned to me in my co-African-American religion class at Merritt College in Oakland, California. In 2018. This book actually inspired me to change my diet which altered my life forever. I’m really glad that I read i. This is a must read
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Reviewed in the United States on February 15, 2025
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