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Description
21320 ek skfTechnische Basisdaten Hersteller: SKF Auendurchmesser: 215 Axiallastfaktor: Y0: 2. 8 Axiallastfaktor: Y1: 2. 8 Axiallastfaktor: Y2: 4. 2 ueres Breitenma: 47 ueres Breitenma: B: 47 mm Ermdungsgrenzbelastung: 49 kN Gewicht: 8826 Gramm Grenzdrehzahl: 4 500 r min Grenzwert: e: 0. 24 Innendurchmesser: 100 mm Kantenabstand: r12: min. 3 mm Referenzdrehzahl: 3 400 r min Erweiterte technische Daten ueres Breitenmae:(D) mm 215,00 ueres Breitenmae:(B) mm 47,00
Technische Basisdaten
| Hersteller: SKF |
| Außendurchmesser: 215 |
| Axiallastfaktor: Y0: 2.8 |
| Axiallastfaktor: Y1: 2.8 |
| Axiallastfaktor: Y2: 4.2 |
| Äußeres Breitenmaß: 47 |
| Äußeres Breitenmaß: B: 47 mm |
| Ermüdungsgrenzbelastung: 49 kN |
| Gewicht: 8826 Gramm |
| Grenzdrehzahl: 4 500 r/min |
| Grenzwert: e: 0.24 |
| Innendurchmesser: 100 mm |
| Kantenabstand: r12: min.3 mm |
| Referenzdrehzahl: 3 400 r/min |
Erweiterte technische Daten
| Äußeres Breitenmaße:(D) mm 215,00 |
| Äußeres Breitenmaße:(B) mm 47,00 |
| Einzelgewicht in (kg): 8.826 |
| Innenmaße:(d) mm 100,00 |
| Interne Radialluft Cn Normale Innenluft |
| Lubrikationsoptimierung W33 – Schmiernut und 3 Löcher |
| Schwingsiebausführung Keine Schwingsiebausführung |
| Wärmestabilisierung: Keine Wärmestabilisierung: - Temperaturen bis 120°C |
| 4.5 mm Durchmesser der Schmierkanal |
| 47 mm Äußeres Breitenmaß |
| 8.3 mm Äußeres Breitenmaß der Umfangsnut |
| Anzahl der Reihen 2 |
| Äußeres Breitenmaß 47 mm |
| Äußeres Breitenmaß der Umfangsnut: b: 8.3 mm |
| Durchmesser der Schmierkanal: K: 4.5 mm |
| Dynamische Tragzahl 433 kN |
| Dynamische Tragzahl: 433 kN |
| Einzelgewicht 8.83 kg |
| Empfohlener Anzugswinkel der Welle Nmutter: ±150° |
| Grenzdrehzahl 4 500 r/min |
| Nachschmierfunktion Für |
| Referenzdrehzahl 3 400 r/min |
| Statische Tragzahl 490 kN |
| Statische Tragzahl: 490 kN |
| Tolerance class for dimensions Normal |
| Tolerance class for run-out P5 |
| UNSPSC-Code 31171510 |
| eClass-Code 23-05-09-11 |
| max.2.5 mm Radius der Rundung |
| min.3 mm Kantenabstand |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
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4.8 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
Authentic flavor
Size: 20 Ounces
Exactly as the website says. Very strong and very easily to enjoy every single moment.
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Reviewed in the United States on January 29, 2026
★★★★★ 4
The quality looks quite good considering where it was manufactured.
Size: 11.8 Ounces
Looks great, haven’t used the machine yet. However, it arrived timely and it looks to be
Very nice piece of equipment. I look forward the first cup.
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Reviewed in the United States on October 21, 2025
★★★★★ 5
Excellent little grinder
For the price, this thing is a great value. I wanted to use it a bit before writing a review, because anything can be amazing initially. I have been using it for several weeks now and let me just say that for the price, you get a great little grinder.
This thing isn't meant to grind up bags and bags of coffee, but for grinding a nice little bit for a few days at a time, it's perfect. It's easy to set the grind level / coarseness, and it "stays" where you put it. I have not had any issues and it seems pretty durable.
I saw some complaints of it being slow, but maybe they just expected electric speeds with a manual grinder? Not sure, but for me I am able to grind a full reservoir (the container of this item) in less than a minute and a half, at best.
I got this because sometimes I am lazy and didn't use the electric grinder the night before and I don't want to wake up the wife grinding my coffee, so this is PERFECT. The only thing is, now I don't use my electric grinder anymore..
The reason for that is I get more consistent ground coffee using this little guy than my electric grinder ever has. So now I am stuck in manual mode, and for cheap!
This thing is super light and easy to store away, not bulky and won't get in your way. So if you are hesitant because you saw some bad reviews, just do what I did.. buy it anyway and find out for yourself. I have learned that most negative reviews on Amazon are because people expect things to be more than they are or to somehow function beyond their capabilities... This thing does what it's supposed to do, and it does it well. So buy one now, you won't regret it!
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Reviewed in the United States on April 4, 2026
★★★★★ 5
The right tool
Works great with peppercorns as well!
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Reviewed in the United States on June 1, 2026
★★★★★ 4
Gets it done.
At this price point it is a excellent grinder for coffee. It does adjust for different grinds but there is no scale to gauge, just clockwise or counter clockwise. Recommended if you are not sure if you want one.
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Reviewed in the United States on May 3, 2026