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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
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Description
NU2306 ET NSKNU2306ET d 30 mm Bore diameter D 72 mm Outside diameter B 27 mm Width FW 40. 5 mm Raceway diameter of inner ring r (min.) 1. 1 mm Chamfer dimension r1 (min.) 1. 1 mm Chamfer dimension Cr 92000 N Basic dynamic load rating C0r 77500 N Basic static load rating Thermal Speed Rating (Oil bath) 9500 min 1 Oil bath lubrication subject to conditions outlined in ISO 15312 Mechanical (forced circulation oil) 13000 min 1 Properly designed and controlled forced
| NU2306ET |
| d | 30 | mm | Bore diameter |
| D | 72 | mm | Outside diameter |
| B | 27 | mm | Width |
| FW | 40.5 | mm | Raceway diameter of inner ring |
| r (min.) | 1.1 | mm | Chamfer dimension |
| r1 (min.) | 1.1 | mm | Chamfer dimension |
| Cr | 92000 | N | Basic dynamic load rating |
| C0r | 77500 | N | Basic static load rating |
| Thermal Speed Rating (Oil-bath) | 9500 | min-1 | Oil-bath lubrication subject to conditions outlined in ISO 15312 |
| Mechanical (forced-circulation oil) | 13000 | min-1 | Properly designed and controlled forced-circulation oil lubrication |
| Grease | 8000 | min-1 | Grease lubrication |
| Oil (Oil-bath) | 9500 | min-1 | Oil-bath lubrication |
| da (min.) | 36.5 | mm | Diameter of shaft abutment (min) |
| db (min.) | 36.5 | mm | Diameter of shaft / spacer sleeve abutment |
| db (max.) | 39 | mm | Diameter of shaft / spacer sleeve abutment |
| dc (min.) | 44 | mm | Diameter of shaft abutment |
| dd (min.) | 48 | mm | Diameter of shaft abutment |
| Da (max.) | 65.5 | mm | Diameter of housing abutment |
| rb (max.) | 1 | mm | Radius of shaft or housing fillet |
| ra (max.) | 1 | mm | Radius of shaft or housing fillet |
| Mass approx. | 0.518 | 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:
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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]
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4.7 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Bouncy and durable
Color: Four colors, Size: 5cm (ball only), Color: Four colors, Size: 5cm (ball only)
These balls are awesome - bouncy and super durable for my little guy!
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Reviewed in the United States on May 17, 2026
★★★★★ 5
Great quality
Color: Four colors, Size: 5cm (ball only)
I was very surprised that these are as good as the chuck it balls. I have a super chewer and he’s tears balls up except for chuck its and he can’t tear these up.
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Happy pup
Color: Four colors, Size: 5cm (ball only)
Small but bouncy. Pupper loves them.
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Reviewed in the United States on May 3, 2026
★★★★★ 5
Awesome price for quality balls
Color: Four colors, Size: 5cm (ball only)
These balls are super bouncy and durable. My dog loves them and for the price these are totally worth it! I think they are as durable as nerf balls and equal in size, and much cheaper!
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Reviewed in the United States on November 19, 2025
★★★★★ 1
Rope comes out at the slightest force. Pointless tug toy!
Color: Four colors, Size: 6cm (with rope)
If your dog pulls on these (and why wouldn’t he?), the rope immediately comes out. Turns out they just fuse the ends of the nylon rope together, which is no match for a dog playing tug. Any dog, any level of pulling will dismantle these.
We’ve managed to reinsert the rope to a couple of these and KNOT it, which gives you a shorter rope but a toy that can withstand some play. But if I had wanted a DIY toy, I’d have used the balls and rope I already own.
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Reviewed in the United States on December 11, 2025