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Ships within 48 hours · Estimated delivery Sep 25 - Sep 30
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Description
nup311 et nskNUP311ET d 55 mm Bore diameter D 120 mm Outside diameter B 29 mm Width FW 70. 5 mm Raceway diameter of inner ring r (min.) 2 mm Chamfer dimension r1 (min.) 2 mm Chamfer dimension Cr 169000 N Basic dynamic load rating C0r 143000 N Basic static load rating Thermal Speed Rating (Oil bath) 6000 min 1 Oil bath lubrication subject to conditions outlined in ISO 15312 Mechanical (forced circulation oil) 7500 min 1 Properly designed and controlled forced
| NUP311ET |
| d | 55 | mm | Bore diameter |
| D | 120 | mm | Outside diameter |
| B | 29 | mm | Width |
| FW | 70.5 | mm | Raceway diameter of inner ring |
| r (min.) | 2 | mm | Chamfer dimension |
| r1 (min.) | 2 | mm | Chamfer dimension |
| Cr | 169000 | N | Basic dynamic load rating |
| C0r | 143000 | N | Basic static load rating |
| Thermal Speed Rating (Oil-bath) | 6000 | min-1 | Oil-bath lubrication subject to conditions outlined in ISO 15312 |
| Mechanical (forced-circulation oil) | 7500 | 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.) | 64 | mm | Diameter of shaft abutment (min) |
| db (min.) | 64 | mm | Diameter of shaft / spacer sleeve abutment |
| db (max.) | 68 | mm | Diameter of shaft / spacer sleeve abutment |
| dc (min.) | 72 | mm | Diameter of shaft abutment |
| dd (min.) | 80 | mm | Diameter of shaft abutment |
| Da (max.) | 111 | mm | Diameter of housing abutment |
| rb (max.) | 2 | mm | Radius of shaft or housing fillet |
| ra (max.) | 2 | mm | Radius of shaft or housing fillet |
| Mass approx. | 1.5 | kg | Mass approx. |
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- Free Standard Shipping on $100+ Orders to the USA.
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4.1 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 3
Fun but easy to destroy
Color: Green & Yellow & Blue
We foster puppies and go through a ton of toys. These soft, latex toys are great for non-super chewers, whether puppies or small to medium dogs. Our 20-week-old foster puppy has had a great time with hers, which still squeaks. She is fairly gentle and enjoys squeaking her toys, but is not destructive. If you have super chewers, these will not last for even a minute. One of our dogs got a hold of one toy after a few days and demolished it in literally 6 seconds. The price is quite high for toys if in this style, as you get three of them for $16, and typically you can get similar toys for a much lower price, but they do have a great squeak and the long necks have really pleased the puppy. I think that for the right dog, these would be great, and I would recommend them, but avoid them if your dog likes to destroy their toys because they are terribly easy to rip apart.
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Reviewed in the United States on December 7, 2025
★★★★★ 5
Fun new toys
Color: Yellow & Grey & Brown
My dog loves him. They’re easy to squeak and carry in his mouth so it’s a bonus bonus for him. He’s a puppy so he’s not the most coordinated thing yet.
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Reviewed in the United States on December 30, 2025
★★★★★ 2
Not for dogs who chew
Color: Green & Yellow & Blue
My dog loved them, but they were destroyed in 2 days.
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Reviewed in the United States on January 31, 2026
★★★★★ 5
A new favorite toy
Color: Yellow & Grey & Brown
My dog loves these!
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Reviewed in the United States on January 5, 2026
★★★★★ 5
Cute and Durable
Color: Them Apples, Color: Them Apples
I have purchased several Barkbox brand toys for my dog. “Them Apples” may be the cutest of them all. I am impressed at how well-made and designed this toy is. There is a large squeaker at the base of the tree and the rest of the tree has crinkle sound. My dog enjoys playing with the tree as much as he does playing with the apples. The apples are also well made and not flimsy like so many other hide & seek toys. The apples also have squeakers in them. My dog has had this toy for a couple of months now, and it’s still in good shape. I will definitely repurchase if this one ever wears out. Good value for the price.
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Reviewed in the United States on May 25, 2026