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Ships within 48 hours · Estimated delivery Jul 11 - Jul 16
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Description
6321 ZZC3 NSK6321ZZ d 105 mm Bore diameter D 225 mm Outside diameter B 49 mm Width r (min.) 3 mm Chamfer dimension Cr 202000 N Basic dynamic load rating C0r 154000 N Basic static load rating Grease 2600 min 1 Grease lubrication da (min.) 118 mm Diameter of shaft abutment (min) da (max.) 138 mm Diameter of shaft abutment Da (max.) 212 mm Diameter of housing abutment ra (max.) 2. 5 mm Radius of shaft or housing fillet fo 13. 2 Factor z 8 Number of Balls Dw 38. 1 mm
| 6321ZZ |
| d | 105 | mm | Bore diameter |
| D | 225 | mm | Outside diameter |
| B | 49 | mm | Width |
| r (min.) | 3 | mm | Chamfer dimension |
| Cr | 202000 | N | Basic dynamic load rating |
| C0r | 154000 | N | Basic static load rating |
| Grease | 2600 | min-1 | Grease lubrication |
| da (min.) | 118 | mm | Diameter of shaft abutment (min) |
| da (max.) | 138 | mm | Diameter of shaft abutment |
| Da (max.) | 212 | mm | Diameter of housing abutment |
| ra (max.) | 2.5 | mm | Radius of shaft or housing fillet |
| fo | 13.2 | Factor |
| z | 8 | Number of Balls | |
| Dw | 38.1 | mm | Ball Diameter (mm) |
| Mass approx. | 8.09 | kg | Mass approx. |
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4.3 ★★★★★
Based on 293 reviews
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Product Reviews
★★★★★ 1
Completely useless
Format: Paperback
Do not recommend complete waste of time
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 22, 2025
★★★★★ 2
Disappointed
Format: Paperback
I’m thrilled that Ray Peat’s books are finally accessible to a wider audience, but I was disappointed to receive my copy in such bent condition.
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Reviewed in the United States on July 16, 2025
★★★★★ 5
Love this author!
Format: Hardcover
I love this author she is so helpful I love all her books! She is an excellent therapist and very helpful!
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Reviewed in the United States on April 27, 2026
★★★★★ 5
You'll love this book. Well worth the money
Format: Hardcover
I love reading this daily. It provides enough food for thought for me to think on throughout the day.
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Reviewed in the United States on April 2, 2026
★★★★★ 5
Set those boundaries!
Format: Hardcover
My favorite book on the shelf. Definitely worth reading more than once.
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Reviewed in the United States on March 19, 2026