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Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
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Description
21312 eae4 nsk21312EAE4 d 60 mm Bore diameter D 130 mm Outside diameter B 31 mm Width r (min.) 2. 1 mm Chamfer dimension Cr 238000 N Basic dynamic load rating C0r 244000 N Basic static load rating Thermal Speed Rating (Oil bath) 4800 min 1 Oil bath lubrication subject to conditions outlined in ISO 15312 Mechanical (forced circulation oil) 6700 min 1 Properly designed and controlled forced circulation oil lubrication Grease 3800 min 1 Grease lubrication Oil (Oil
| 21312EAE4 |
| d | 60 | mm | Bore diameter |
| D | 130 | mm | Outside diameter |
| B | 31 | mm | Width |
| r (min.) | 2.1 | mm | Chamfer dimension |
| Cr | 238000 | N | Basic dynamic load rating |
| C0r | 244000 | N | Basic static load rating |
| Thermal Speed Rating (Oil-bath) | 4800 | min-1 | Oil-bath lubrication subject to conditions outlined in ISO 15312 |
| Mechanical (forced-circulation oil) | 6700 | min-1 | Properly designed and controlled forced-circulation oil lubrication |
| Grease | 3800 | min-1 | Grease lubrication |
| Oil (Oil-bath) | 4800 | min-1 | Oil-bath lubrication |
| da (min.) | 72 | mm | Diameter of shaft abutment (min) |
| da (max.) | 87 | mm | Diameter of shaft abutment |
| Da (min.) | 117 | mm | Diameter of housing abutment |
| Da (max.) | 118 | mm | Diameter of housing abutment |
| ra (max.) | 2 | mm | Radius of shaft or housing fillet |
| e | 0.22 | Constant | |
| Y2 | 4.5 | Axial load Factors | |
| Y3 | 3 | Axial load Factors | |
| Y0 | 3 | Axial load Factors |
| Mass approx. | 1.98 | 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
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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]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Our first babies favorite and longest lasting ball yet and he is fixing to be 7.
Style: Ball, Size: Medium (Pack of 2), Style: Ball, Size: Medium (Pack of 2)
Toughest ball we have found yet. Our doberman loves Chuckit! Balls especially the crunch one. He spreads all the balls and toys we have bought but these lasted the longest. The crunch and the glow in the dark are usually his pick but he has several different choices.
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Fantastic tool for dog owners!
Size: 1-pack
This is a great tool to keep your dog active without getting your hands messy! I discovered it launches better when you don't push the ball completely into the holder, but just have it in partially. The ball included is nice and bouncy. The launcher also works with Kong balls.
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Endless Fetch Fun—Perfect for My Jack Russell!
Size: 1-pack
This ball launcher has been a total game-changer for fetch time with my Jack Russell! She has tons of energy, and this helps me keep up without wearing out my arm. It works great with most standard tennis balls, so I don’t have to worry about tracking down special ones.
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Reviewed in the United States on July 2, 2025
★★★★★ 4
It is good for small yards but not so good for distance.
Size: 1-pack
Getting used to a ball thrower takes practice. This one is no exception. The angle is off for me. If I use it as an extension of my arm it goes straight to the ground, but once I got the hang of it. Balls launch with great height. Distance isn't a feature for this tool.
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Reviewed in the United States on April 15, 2025
★★★★★ 3
Get a longer launcher. This only throws 30 ft
Size: 1+3pack
Buy a longer launcher!!!
I got what I paid for!
A 12.2 inch launcher does not build up enough energy to throw it very far and it is tweaking my elbow. The dog is very disappointed since the ball only goes about 30 feet. I’ll keep it for small dog park use. The balls are hard and my 22 pound Cockapoo can’t get it to squeak.
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Reviewed in the United States on May 10, 2026