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Description
NU224 WC3 NSKN224W d 120 mm Bore diameter D 215 mm Outside diameter B 40 mm Width EW 191. 5 mm Raceway diameter of outer ring r (min.) 2. 1 mm Chamfer dimension r1 (min.) 2. 1 mm Chamfer dimension Cr 320000 N Basic dynamic load rating C0r 320000 N Basic static load rating Thermal Speed Rating (Oil bath) 4000 min 1 Oil bath lubrication subject to conditions outlined in ISO 15312 Grease 2400 min 1 Grease lubrication Oil (Oil bath) 2800 min 1 Oil bath lubrication da
| N224W |
| d | 120 | mm | Bore diameter |
| D | 215 | mm | Outside diameter |
| B | 40 | mm | Width |
| EW | 191.5 | mm | Raceway diameter of outer ring |
| r (min.) | 2.1 | mm | Chamfer dimension |
| r1 (min.) | 2.1 | mm | Chamfer dimension |
| Cr | 320000 | N | Basic dynamic load rating |
| C0r | 320000 | N | Basic static load rating |
| Thermal Speed Rating (Oil-bath) | 4000 | min-1 | Oil-bath lubrication subject to conditions outlined in ISO 15312 |
| Grease | 2400 | min-1 | Grease lubrication |
| Oil (Oil-bath) | 2800 | min-1 | Oil-bath lubrication |
| da (min.) | 131 | mm | Diameter of shaft abutment (min) |
| Db (min.) | 196 | mm | Diameter of housing abutment |
| rb (max.) | 2 | mm | Radius of shaft or housing fillet |
| Db (max.) | 204 | mm | Diameter of housing abutment |
| ra (max.) | 2 | mm | Radius of shaft or housing fillet |
| Mass approx. | 5.63 | kg | Mass approx. |
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4.2 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 4
Solid little workhorse
Color: Space Grey
Works well. Key part of my espresso setup. Battery charge lasts. Easy to use. My only gripe is that the power switch can be hard (for me) to turn on and off without lifting it up to find it.
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Reviewed in the United States on March 15, 2026
★★★★★ 5
Worth it!
Color: Black
A necessity for anyone trying to elevate their espresso making game. I use this to measure my beans and to also measure the shot I pull and how long it takes to pull. It’s great quality and totally worth it. The scale is very quick to start when the shot starts to pull. Easy to use and a great scale.
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Reviewed in the United States on April 2, 2026
★★★★★ 5
Works prefectly, accurate, easy to use, and looks great.
Color: Black
I didn't expect much but it works really well and seems to be very accurate. It's much more sensitive (to 0.1g) than the scale I was using to measure my coffee and the autostart timer works really well. Also, unlike my other scale, this one is USB-C rechargable and so far has no indication of needing a recharge after a week or so of daily use. My other scale uses CR2032 batteries and goes through a pair every three weeks, so being able to recharge instead is quite nice.
It's small and I can use it to time the extraction and also use it to measure out heated water for tea, or whatever I need. This is definitely a steal for the price.
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Reviewed in the United States on December 9, 2025
★★★★★ 5
Great value and full-functioned.
Color: Black
This is a simple, elegant little scale with timer. It's perfect for use with a small espresso machine like my Breville Bambino Plus. It shifts easily from counter use weighing beans before grinding, to placing on the drip tray to time and weigh shots. The top is smooth and water resistant. I think it's a great value.
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Reviewed in the United States on February 19, 2026
★★★★★ 5
Great scale that needs some improvements to be perfect
Color: White, Color: White
Very accurate scale, looks good in white, timer works nicely and I do like the concept of the ratio conversion. Shown in photos with 0 measurement drift over time, even without the silicone mat.
To make this the best scale in the price range, I would change:
- The auto timer function. Timing currently stops if you pick up the brew to swirl; you must completely restart the process if you do happen to pick it up. I would change that to only stop on user input (pressing a button).
- The ratio conversion. Why offer XX.0 precision if you can only change the ratio in whole amounts? I'd suggest offering 0.1 increments, selectable with +/- buttons instead of cycling through.
- The silicone mat is not well affixed and slides around. Kind of useless as-is and I just keep it off. I would wrap the whole thing around the measurement platform, similar to how the Greater Goods scale does it, to really keep it secure.
It's not perfect, but for the price, it's a 4.5/5 for me. Rounding up to 5 since a 4 is considered "bad" by today's online rating standards.
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Reviewed in the United States on December 22, 2025