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Description
nk68 25 inaTechnische Basisdaten Hersteller: INA Synonym: 0507545640000 NB688225 NK68 25 RNA688225 TAF688225 Auendurchmesser: 82 mm Bezugsdrehzahl: 4. 500 1 min Gewicht: 239 Gramm Grenzdrehzahl: 6. 800 1 min Herstellungsland: Slowakei Innendurchmesser: 68 mm Lubrikation: Umfangsnut Schmiernut vorhanden(en) Zolltarifnummer: 8482 4000 Erweiterte technische Daten ueres Breitenmae: mm 82,00 Begrenzungsdrehzahl (n G) "6800. 0000" ueres Breitenmae:(B) mm 25,00
Technische Basisdaten
| Hersteller: INA |
| Synonym: 0507545640000 NB688225 NK68/25 RNA688225 TAF688225 |
| Außendurchmesser: 82 mm |
| Bezugsdrehzahl: 4.500 1/min |
| Gewicht: 239 Gramm |
| Grenzdrehzahl: 6.800 1/min |
| Herstellungsland: Slowakei |
| Innendurchmesser: 68 mm |
| Lubrikation: Umfangsnut Schmiernut vorhanden(en) |
| Zolltarifnummer: 8482 4000 |
Erweiterte technische Daten
| Äußeres Breitenmaße: mm 82,00 |
| Begrenzungsdrehzahl (n G) "6800.0000" |
| Äußeres Breitenmaße:(B) mm 25,00 |
| Durchmesser Unterrollen (F w) mm 68,00 |
| ECLASS number 23-05-09-07 |
| ECLASS2 number 23-05-09-07 |
| Einzelgewicht in (kg): 0.241 |
| Innenmaße: mm 68,00 |
| Radial Dynamic Load Rating Cr (N) 49500 |
| Radial Static Load Rating C0r (N) 89000 |
| Referenzdrehzahl (n ϑr) "4500.0000" |
| XL X-Life |
| Betriebstemperatur max.: 120 °C |
| Betriebstemperatur min.: -30 °C |
| C 0r 89.000 N Statische Tragzahl, radial |
| C r 49.500 N Dynamische Tragzahl, radial |
| C ur 15.500 N Ermüdungsgrenzbelastung, radial |
| D 82 mm Außendurchmesser |
| Dynamische Tragzahl, radial: 49.500 N |
| Ermüdungsgrenzbelastung, radial: 15.500 N |
| F w 68 mm Hüllkreis Innenmaße: |
| Hüllkreis innen: 68 mm |
| Minimaler Kantenabstand: 0,6 mm |
| Statische Tragzahl, radial: 89.000 N |
| T max 120 °C Betriebstemperatur max. |
| T min -30 °C Betriebstemperatur min. |
| n G 6.800 1/min Grenzdrehzahl |
| n ϑr 4.500 1/min Bezugsdrehzahl |
| r min 0,6 mm Minimaler Kantenabstand |
| ≈m 237,9 g Einzelgewicht |
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Exchange/Return Notes
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4.9 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
Great rope, but not for aggressive chewers
Style: 5 KNOTS
This is a great rope, but if your dog is a aggressive chewer, don't buy it. My Doberman chews everything, she destroyed this rope into many pieces, after only having it for 3 days.I swear she would chew iron into pieces. Now she has only bones to chew on....
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Reviewed in the United States on February 7, 2026
★★★★★ 4
New Rope for my Pit Bulls
Style: 5 KNOTS
When I received this from Amazon delivery my pit bull mix went crazy on the rope, and she chew on it for the longest time. Then, I played keep away but that lasted a short time. The rope is very strong and long for me to play with my pit bull mix she wants me to play tug a war with her. She will win every time, I do enjoy her every day, makes me happy that she mine.
Price is very reasonable and color was very good and lasted a long time too.
I buy again soon as she wear this one out.
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Reviewed in the United States on June 22, 2025
★★★★★ 5
Strongest rope toy
Style: 5 KNOTS
Great tough long lasting rope for my two labs who are constantly playing tug of war with it!
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Reviewed in the United States on May 21, 2026
★★★★★ 3
Not for aggressive chewers
Style: 4 Styles Set
These were ok for a short while. But with this aggressive chewer we have they shred and the threads get hung between her teeth. Had to start throwing them away 😕
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Reviewed in the United States on March 19, 2026
★★★★★ 5
Best toy for big dogs
Style: 5 KNOTS
This is the toughest rope I have found. It is the only toy my Rottweiler doesn’t destroy in a day. It lasts over a week with her constantly carrying it around and tearing at it. She loves it.
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Reviewed in the United States on May 19, 2026