Pay in installments of $15.99 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 1 - Aug 6
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
21311EAE4 NSK21311EAE4 d 55 mm Bore diameter D 120 mm Outside diameter B 29 mm Width r (min.) 2 mm Chamfer dimension Cr 178000 N Basic dynamic load rating C0r 174000 N Basic static load rating Thermal Speed Rating (Oil bath) 5300 min 1 Oil bath lubrication subject to conditions outlined in ISO 15312 Mechanical (forced circulation oil) 8000 min 1 Properly designed and controlled forced circulation oil lubrication Grease 4500 min 1 Grease lubrication Oil (Oil bath)
| 21311EAE4 |
| d | 55 | mm | Bore diameter |
| D | 120 | mm | Outside diameter |
| B | 29 | mm | Width |
| r (min.) | 2 | mm | Chamfer dimension |
| Cr | 178000 | N | Basic dynamic load rating |
| C0r | 174000 | N | Basic static load rating |
| Thermal Speed Rating (Oil-bath) | 5300 | min-1 | Oil-bath lubrication subject to conditions outlined in ISO 15312 |
| Mechanical (forced-circulation oil) | 8000 | 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.) | 65 | mm | Diameter of shaft abutment (min) |
| da (max.) | 72 | mm | Diameter of shaft abutment |
| Da (min.) | 98 | mm | Diameter of housing abutment |
| Da (max.) | 110 | mm | Diameter of housing abutment |
| ra (max.) | 2 | mm | Radius of shaft or housing fillet |
| e | 0.23 | Constant | |
| Y2 | 4.4 | Axial load Factors | |
| Y3 | 3 | Axial load Factors | |
| Y0 | 2.9 | Axial load Factors |
| Mass approx. | 1.58 | 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
4.6 ★★★★★
Based on 25 reviews
Sort
Product Reviews
★★★★★ 5
Good Quality
Color: C-apricot, Size: 14 Inch
The quality of the backpack is very good. I like how it has a waterproof feeling fabric. I have used it for work and travel and it is excellent quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 12, 2026
★★★★★ 5
Great Bag
Color: Black Brown, Size: 17.3 Inch
This backpack is awesome it holds way more than I anticipated and is super cute. The quality seems to be good to what I can tell.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 16, 2025
★★★★★ 5
Classy!
Love this! Classy looking and nice quality. Received many compliments on our trip.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 10, 2025
★★★★★ 5
Gran producto
Color: C-black, Size: 14 Inch
Muy buen producto. La calidad era la esperada.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 22, 2025
★★★★★ 5
Very nice
Color: Green
It’s such a cute backpack! I’d get the beige color if using for work. The olive green can look a bit flashy in a corporate environment :( old people don’t know how to have fun
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026