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Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
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Description
6811 ddu nsk6811DDU d 55 mm Bore diameter D 72 mm Outside diameter B 9 mm Width r (min.) 0. 3 mm Chamfer dimension d1 68. 8 mm Outside diameter of inner ring D1 59 mm Bore diameter of outer ring Cr 9700 N Basic dynamic load rating C0r 8500 N Basic static load rating Grease 4800 min 1 Grease lubrication da (min.) 57 mm Diameter of shaft abutment (min) da (max.) 59 mm Diameter of shaft abutment Da (max.) 70 mm Diameter of housing abutment ra (max.) 0. 3 mm Radius
| 6811DDU |
| d | 55 | mm | Bore diameter |
| D | 72 | mm | Outside diameter |
| B | 9 | mm | Width |
| r (min.) | 0.3 | mm | Chamfer dimension |
| d1 | 68.8 | mm | Outside diameter of inner ring |
| D1 | 59 | mm | Bore diameter of outer ring |
| Cr | 9700 | N | Basic dynamic load rating |
| C0r | 8500 | N | Basic static load rating |
| Grease | 4800 | min-1 | Grease lubrication |
| da (min.) | 57 | mm | Diameter of shaft abutment (min) |
| da (max.) | 59 | mm | Diameter of shaft abutment |
| Da (max.) | 70 | mm | Diameter of housing abutment |
| ra (max.) | 0.3 | mm | Radius of shaft or housing fillet |
| fo | 17 | Factor |
| z | 22 | Number of Balls | |
| Dw | 4.762 | mm | Ball Diameter (mm) |
| Mass approx. | 0.081 | kg | Mass approx. |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 5
Mark T T-shirt
Size: XX-Large, Color: White
I’m content nice quality good price works for me
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 12, 2025
★★★★★ 5
I like the shirt and the price was decent
Size: X-Large, Color: Black
Nice but I don’t like it on my neck. I’m giving it away as a gift.
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Reviewed in the United States on October 14, 2025
★★★★★ 1
Too small for the shown size.
Size: XX-Large, Color: Black, Size: XX-Large, Color: Black
I usually would buy XL size but in this case I bought XXL thinking since it's cotton it might shrink. But when I tried the T-shirt it was too small. My older XL sized T-shirt has 2 1/2" larger total shoulder width and 3" wider body width. See attached pictures. Length was also a bit shorter by about 1/2". I will to return it.
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Reviewed in the United States on April 15, 2026
★★★★★ 2
Does not match the size
Size: 3X-Large, Color: Blue
Way smaller than the size indicated. Very thin material, almost see- thru.
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Reviewed in the United States on December 5, 2025
★★★★★ 5
Will buy again
Size: XX-Large, Color: White
Very comfortable. Fits as expected,
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Reviewed in the United States on September 15, 2025