Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
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For Your Every Summer RSVP, with Code: SUMMER15
Description
6311dducm nsk6311DDU d 55 mm Bore diameter D 120 mm Outside diameter B 29 mm Width r (min.) 2 mm Chamfer dimension Cr 78500 N Basic dynamic load rating C0r 44500 N Basic static load rating Grease 4000 min 1 Grease lubrication da (min.) 64 mm Diameter of shaft abutment (min) da (max.) 72. 5 mm Diameter of shaft abutment Da (max.) 111 mm Diameter of housing abutment ra (max.) 2 mm Radius of shaft or housing fillet fo 13. 1 Factor z 8 Number of Balls Dw 20. 638 mm
| 6311DDU |
| d | 55 | mm | Bore diameter |
| D | 120 | mm | Outside diameter |
| B | 29 | mm | Width |
| r (min.) | 2 | mm | Chamfer dimension |
| Cr | 78500 | N | Basic dynamic load rating |
| C0r | 44500 | N | Basic static load rating |
| Grease | 4000 | min-1 | Grease lubrication |
| da (min.) | 64 | mm | Diameter of shaft abutment (min) |
| da (max.) | 72.5 | mm | Diameter of shaft abutment |
| Da (max.) | 111 | mm | Diameter of housing abutment |
| ra (max.) | 2 | mm | Radius of shaft or housing fillet |
| fo | 13.1 | Factor |
| z | 8 | Number of Balls | |
| Dw | 20.638 | mm | Ball Diameter (mm) |
| Mass approx. | 1.37 | 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
- If time is of the essence, please consider selecting expedited delivery for faster service.
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 211 reviews
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Product Reviews
★★★★★ 5
efficient and professional
very reputable
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Fast
Excellent and easy transaction
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Reviewed in the United States on May 16, 2026
★★★★★ 5
Always there
Very simple claim process. Reliable coverage that's worth the cost.
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Reviewed in the United States on January 31, 2026
★★★★★ 5
Definitely Worth It
Quick and easy process. Coffee maker died and I had the insurance. Refunded and only ended up paying the price of insurance. Would do it again!
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Reviewed in the United States on January 24, 2026
★★★★★ 5
Claim was easy, speedy, and Amazon gift card was applied almost immediately.
I had to make a claim for a Ninja blender that was emitting an odor of burning or melting wires. I called a service representative thinking I might encounter a problem and was surprised. The agent was helpful and made the entire process so easy I applaud her! The Amazon gift card was posted to my account almost immediately after UPS picked the product up. I have decided that for products with a large number of parts and electronics that can fail I will purchase Asurion protection.
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Reviewed in the United States on April 20, 2026
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