Shipping Estimate
USA
- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 8 - Jul 13
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Description
21310EAE4 NSK21310EAE4 d 50 mm Bore diameter D 110 mm Outside diameter B 27 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)
| 21310EAE4 |
| d | 50 | mm | Bore diameter |
| D | 110 | mm | Outside diameter |
| B | 27 | 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.) | 60 | mm | Diameter of shaft abutment (min) |
| da (max.) | 72 | mm | Diameter of shaft abutment |
| Da (min.) | 98 | mm | Diameter of housing abutment |
| Da (max.) | 100 | 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. | 1.21 | 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 2130 reviews
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Product Reviews
★★★★★ 5
Cute!
Format: Board book
Super cute! Did come with some tape on it that took off a tiny bit of the front but no big deal.
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Reviewed in the United States on March 23, 2026
★★★★★ 5
GREAT LITTLE BOOK
Format: Board book
MY BUNNY LOVES THESE!
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Reviewed in the United States on March 26, 2026
★★★★★ 4
cute
Format: Board book
its a cute and sturdy book. came a bit dented tho
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Reviewed in the United States on April 18, 2021
★★★★★ 5
Cute!
Format: Board book
Perfect for little ones Easter basket!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 22, 2026
★★★★★ 5
Amazon Consumer
Format: Board book
I love this book. Has true facts in it. Giving it to grandchild for Easter. Great price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 22, 2026