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Ships within 48 hours · Estimated delivery Sep 26 - Oct 1
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Description
NJ2308 EMC3 NSKNJ2308EM d 40 mm Bore diameter D 90 mm Outside diameter B 33 mm Width FW 52 mm Raceway diameter of inner ring r (min.) 1. 5 mm Chamfer dimension r1 (min.) 1. 5 mm Chamfer dimension Cr 140000 N Basic dynamic load rating C0r 122000 N Basic static load rating Thermal Speed Rating (Oil bath) 8000 min 1 Oil bath lubrication subject to conditions outlined in ISO 15312 Mechanical (forced circulation oil) 12000 min 1 Properly designed and controlled forced
| NJ2308EM |
| d | 40 | mm | Bore diameter |
| D | 90 | mm | Outside diameter |
| B | 33 | mm | Width |
| FW | 52 | mm | Raceway diameter of inner ring |
| r (min.) | 1.5 | mm | Chamfer dimension |
| r1 (min.) | 1.5 | mm | Chamfer dimension |
| Cr | 140000 | N | Basic dynamic load rating |
| C0r | 122000 | N | Basic static load rating |
| Thermal Speed Rating (Oil-bath) | 8000 | min-1 | Oil-bath lubrication subject to conditions outlined in ISO 15312 |
| Mechanical (forced-circulation oil) | 12000 | min-1 | Properly designed and controlled forced-circulation oil lubrication |
| Grease | 6000 | min-1 | Grease lubrication |
| Oil (Oil-bath) | 7500 | min-1 | Oil-bath lubrication |
| da (min.) | 48 | mm | Diameter of shaft abutment (min) |
| db (min.) | 48 | mm | Diameter of shaft / spacer sleeve abutment |
| db (max.) | 50 | mm | Diameter of shaft / spacer sleeve abutment |
| dc (min.) | 55 | mm | Diameter of shaft abutment |
| dd (min.) | 60 | mm | Diameter of shaft abutment |
| Da (max.) | 82 | mm | Diameter of housing abutment |
| rb (max.) | 1.5 | mm | Radius of shaft or housing fillet |
| ra (max.) | 1.5 | mm | Radius of shaft or housing fillet |
| Mass approx. | 1.1 | 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
4.5 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 5
Fun, Durable Toy That Keeps Dogs Entertained
Color: light blue
This interactive dog toy has been great for keeping my dog fairly active and engaged. The auto-bounce and rotating features grab attention instantly, and the chew-resistant material holds up well. You can also turn the multicolored lights on to play in the dark or just have a fun time while your pet chases the ball. It is so easy to use, rechargeable, and perfect for burning energy indoors or outside. 🐶
Although both my dogs were sorta interested…due to colder temperatures (they are elder dogs) they probably would have had more fun, if the weather was warmer. I also tried to entertain the neighbors poodle too!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 18, 2026
★★★★★ 5
Fun ball for dog
Color: light blue
This is a great toy for the dog. So far the ball is still complete by chewing several days. I have to say it is perfect size for the big dog. The ball is light and also has a changeable light and models.
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Reviewed in the United States on May 18, 2026
★★★★★ 5
For medium
Color: light blue
So far this ball is holding up. Others I have purchased have fallen apart. I highly recommend if your dog is an aggressive chewer
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 21, 2026
★★★★★ 5
Dog favorite new ball toy
Color: light blue
Easy to use dog ball. Made out of rubber and you can do vibration with it opens in half. Solid ball and rolls smoothly. It’s quiet and my dog loves it.
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Reviewed in the United States on May 26, 2026
★★★★★ 5
rechargeable dog ball
Color: light blue
dog toy works pretty good, after full charge it lasts for about 75 minutes of play till gets too low, it does keep up in durability for my dogs rough play for a border collie
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
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