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Description
6221 DDU NSK6221DDU d 105 mm Bore diameter D 190 mm Outside diameter B 36 mm Width r (min.) 2. 1 mm Chamfer dimension Cr 146000 N Basic dynamic load rating C0r 105000 N Basic static load rating Grease 2200 min 1 Grease lubrication da (min.) 116 mm Diameter of shaft abutment (min) da (max.) 127. 5 mm Diameter of shaft abutment Da (max.) 179 mm Diameter of housing abutment ra (max.) 2 mm Radius of shaft or housing fillet fo 14. 4 Factor z 10 Number of Balls Dw 26.
| 6221DDU |
| d | 105 | mm | Bore diameter |
| D | 190 | mm | Outside diameter |
| B | 36 | mm | Width |
| r (min.) | 2.1 | mm | Chamfer dimension |
| Cr | 146000 | N | Basic dynamic load rating |
| C0r | 105000 | N | Basic static load rating |
| Grease | 2200 | min-1 | Grease lubrication |
| da (min.) | 116 | mm | Diameter of shaft abutment (min) |
| da (max.) | 127.5 | mm | Diameter of shaft abutment |
| Da (max.) | 179 | mm | Diameter of housing abutment |
| ra (max.) | 2 | mm | Radius of shaft or housing fillet |
| fo | 14.4 | Factor |
| z | 10 | Number of Balls | |
| Dw | 26.988 | mm | Ball Diameter (mm) |
| Mass approx. | 3.79 | kg | Mass approx. |
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4.7 ★★★★★
Based on 2028 reviews
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Product Reviews
★★★★★ 5
Jarvis pocket companion
Format: Paperback
got it for nursing school at UT Tyler. Love it as it's a great little resource to haul around everywhere which has a significant amount of great information which is needed for my classes and clinicals. Highly recommend it but due note that the 8th edition contains the same information merely a few pages are numbered differently and that older edition was nearly $30 less in price. Just an FYI if looking to save a few bucks...
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Reviewed in the United States on February 2, 2026
★★★★★ 5
Brand New
Format: Paperback
Purchased brand new. Arrived in perfect condition
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Reviewed in the United States on December 11, 2023
★★★★★ 5
Nice book
Format: Paperback
For study
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Reviewed in the United States on October 22, 2023
★★★★★ 2
Ordered new, got it used
Format: Paperback
Paid for a new book. It arrived very clearly used. It is in decent condition but it is frustrating paying that much for something to arrive used with damage.
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Reviewed in the United States on January 17, 2026
★★★★★ 5
Excellent and Necessary!
Format: Kindle
Adding this book to the impactful list in my life! Very well written and easy to read. Thank you John Mark Comer.
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Reviewed in the United States on June 2, 2026