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Description
NK47/30-XL INATechnische Basisdaten Hersteller: INA Synonym: 0507543780000 NK47 30 RNA475730 TAF475730 Auendurchmesser: 57 mm Bezugsdrehzahl: 5. 800 1 min Gewicht: 143 Gramm Grenzdrehzahl: 9. 800 1 min Herstellungsland: Slowakei Innendurchmesser: 47 mm Lubrikation: Umfangsnut Schmiernut vorhanden(en) Zolltarifnummer: 8482 4000 Erweiterte technische Daten ueres Breitenmae: mm 57,00 Begrenzungsdrehzahl (n G) "9800. 0000" ueres Breitenmae:(B) mm 30,00 Durchmesser
Technische Basisdaten
| Hersteller: INA |
| Synonym: 0507543780000 NK47/30 RNA475730 TAF475730 |
| Außendurchmesser: 57 mm |
| Bezugsdrehzahl: 5.800 1/min |
| Gewicht: 143 Gramm |
| Grenzdrehzahl: 9.800 1/min |
| Herstellungsland: Slowakei |
| Innendurchmesser: 47 mm |
| Lubrikation: Umfangsnut Schmiernut vorhanden(en) |
| Zolltarifnummer: 8482 4000 |
Erweiterte technische Daten
| Äußeres Breitenmaße: mm 57,00 |
| Begrenzungsdrehzahl (n G) "9800.0000" |
| Äußeres Breitenmaße:(B) mm 30,00 |
| Durchmesser Unterrollen (F w) mm 47,00 |
| ECLASS number 23-05-09-07 |
| ECLASS2 number 23-05-09-07 |
| Einzelgewicht in (kg): 0.142 |
| Innenmaße: mm 47,00 |
| Radial Dynamic Load Rating Cr (N) 48500 |
| Radial Static Load Rating C0r (N) 94000 |
| Referenzdrehzahl (n ϑr) "5800.0000" |
| XL X-Life |
| Betriebstemperatur max.: 120 °C |
| Betriebstemperatur min.: -30 °C |
| C 0r 94.000 N Statische Tragzahl, radial |
| C r 48.500 N Dynamische Tragzahl, radial |
| C ur 17.800 N Ermüdungsgrenzbelastung, radial |
| D 57 mm Außendurchmesser |
| Dynamische Tragzahl, radial: 48.500 N |
| Ermüdungsgrenzbelastung, radial: 17.800 N |
| F w 47 mm Hüllkreis Innenmaße: |
| Hüllkreis innen: 47 mm |
| Minimaler Kantenabstand: 0,3 mm |
| Statische Tragzahl, radial: 94.000 N |
| T max 120 °C Betriebstemperatur max. |
| T min -30 °C Betriebstemperatur min. |
| n G 9.800 1/min Grenzdrehzahl |
| n ϑr 5.800 1/min Bezugsdrehzahl |
| r min 0,3 mm Minimaler Kantenabstand |
| ≈m 0,143 kg Einzelgewicht |
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4.1 ★★★★★
Based on 2042 reviews
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Product Reviews
★★★★★ 5
Wonderful
Size: 9 Inch, Color: Red
Just bought my second one for my German shepherd. 1st one I bought a year ago. She managed to pop it within a few days. She still was able to play with it by grabbing ahold of the straps. Takes it everywhere. We call it her tether ball. Should've seen her when we got the new one out of the box. Hasn't left it alone since.
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Reviewed in the United States on April 14, 2026
★★★★★ 4
Keeps him busy. Puppy proof
Size: 6 Inch, Color: Independence Day
Thankfully I bought 2. One of the pumps broke as I was trying to blow up. That is the reason i did not give then 5 stats. This is a great toy for my puppy. Keeps him entertained and is pretty sturdy.
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Reviewed in the United States on April 30, 2026
★★★★★ 5
Great for dog self play
Size: 6 Inch, Color: Red, Size: 6 Inch, Color: Red
So much fun for my puppy. Easy to grab and throw for him to play alone. Durable for a medium dog. This is his favorite toy. I also bought one for my friends cattle dog puppy who went bonkers with it. Yet her dog liked to chew the tags off. So I wouldn’t recommend for chewers.
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Fun to fetch
Size: 5 Inch, Color: Red, Size: 5 Inch, Color: Red
Perfect size for my 1 yr old Cavapoo that is ball obsessed. This ball is fun to toss around in the yard to exercise and wear out my energetic boy. Perfect for after my work day when I don’t have the energy to match his energy level. He gets to run and chase and I can enjoy his playtime too. Overall the ball is durable and I have confidence it will last for a very long time. We have 2 sizes, small and medium, for my 30 pound athletic pup. He enjoys both equally.
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Reviewed in the United States on April 21, 2026
★★★★★ 5
Dog loves them
Size: 6 Inch, Color: Independence Day
My dog loved the first ball I got her, so I got her a second one. Both hhavr been very durable (she likes to puncture things with her teeth). I left each ball slightly deflated, so they were still firm, but she could bite them without issues. She has not punctured either ball yet. I did have to watch her because she started trying to chew the tabs off because she was bored. She has not chewed one off, just started thinking about it, and did a tiny bit of damage to one tab.
She loves these balls. We have played tug of wat with them too, so yhe tabs are sturdy, and so is the ball.
The dog did not care what collar she got, so I grabbed the least expensive one, and the 6 inch. She is a medium sized dog with razor teeth, and these work great.
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Reviewed in the United States on March 15, 2026