Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 11 - Jul 16
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Description
6318 zz nsk6318ZZ d 90 mm Bore diameter D 190 mm Outside diameter B 43 mm Width r (min.) 3 mm Chamfer dimension Cr 157000 N Basic dynamic load rating C0r 107000 N Basic static load rating Grease 4000 min 1 Grease lubrication da (min.) 103 mm Diameter of shaft abutment (min) da (max.) 117 mm Diameter of shaft abutment Da (max.) 177 mm Diameter of housing abutment ra (max.) 2. 5 mm Radius of shaft or housing fillet fo 13. 3 Factor z 8 Number of Balls Dw 31. 75 mm
| 6318ZZ |
| d | 90 | mm | Bore diameter |
| D | 190 | mm | Outside diameter |
| B | 43 | mm | Width |
| r (min.) | 3 | mm | Chamfer dimension |
| Cr | 157000 | N | Basic dynamic load rating |
| C0r | 107000 | N | Basic static load rating |
| Grease | 4000 | min-1 | Grease lubrication |
| da (min.) | 103 | mm | Diameter of shaft abutment (min) |
| da (max.) | 117 | mm | Diameter of shaft abutment |
| Da (max.) | 177 | mm | Diameter of housing abutment |
| ra (max.) | 2.5 | mm | Radius of shaft or housing fillet |
| fo | 13.3 | Factor |
| z | 8 | Number of Balls | |
| Dw | 31.75 | mm | Ball Diameter (mm) |
| Mass approx. | 4.98 | 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
4.7 ★★★★★
Based on 157 reviews
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Product Reviews
★★★★★ 3
Seem to help heal, but doesn't reach the balls of my feet
Size: 3 Pairs - Gray, Green, Pink
Only can wear when I am sitting down because they're to slippery to walk in
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Reviewed in the United States on April 15, 2026
★★★★★ 5
love these for soft feet!!
Size: 3 Pairs - Gray, Green, Pink
these are great. My feet are soft already! What I like best is my feet. Don't get hot in them because the heels and toes are exposed.
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Reviewed in the United States on January 3, 2026
★★★★★ 5
Heel saver
Size: 3 Pairs - Gray, Green, Pink
These little things are great, super comfy and I saw the difference in my feet after one use
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Reviewed in the United States on January 8, 2026
★★★★★ 5
Bouncy, not hard, and good value.
Style: Fetch Balls (Pack of 10), Size: 2.5 inch
Great balls for the ball launcher and not rockhard like some of the solid rubber balls. These have great bounce, and because of the two holes, they make a fun whistling noise as they fly through the air. My dogs love them and they are a good value.
By the way, if you throw them too hard, they will go through chain-link and no climb fence because they squish a bit!
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Reviewed in the United States on February 16, 2026
★★★★★ 5
Excellent dog balls — safe design and very durable
Style: Fetch Balls (Pack of 3), Size: 2.5 inch
These fetch balls from Amazon Basics are fantastic, and my dog absolutely loves them. One of the biggest reasons I prefer these over other brands is the hole that runs through the center of the ball. This is a very important safety feature: if a dog were to accidentally get the ball stuck in the back of the throat, the hole allows air to pass through. That small detail could literally make a life-saving difference.
Aside from the safety benefit, they bounce well, are easy to clean, and hold up to a lot of playtime. They’re firm but not rock-hard, and my dog goes crazy for them. Great value, great quality, and a thoughtful design.
Highly recommended for dog owners who want a safer alternative to standard solid rubber balls.
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Reviewed in the United States on December 1, 2025