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Description
nk55 25 inaTechnische Basisdaten Hersteller: INA Synonym: 0507544080000 NB556825 NK55 25 RNA556825 TAF556825 Auendurchmesser: 68 mm Bezugsdrehzahl: 5. 200 1 min Gewicht: 191 Gramm Grenzdrehzahl: 8. 400 1 min Herstellungsland: Slowakei Lubrikation: Umfangsnut Schmiernut vorhanden(en) Zolltarifnummer: 8482 4000 Erweiterte technische Daten ueres Breitenmae: mm 68,00 Begrenzungsdrehzahl (n G) "8400. 0000" ueres Breitenmae:(B) mm 25,00 Durchmesser Unterrollen (F w)
Technische Basisdaten
| Hersteller: INA |
| Synonym: 0507544080000 NB556825 NK55/25 RNA556825 TAF556825 |
| Außendurchmesser: 68 mm |
| Bezugsdrehzahl: 5.200 1/min |
| Gewicht: 191 Gramm |
| Grenzdrehzahl: 8.400 1/min |
| Herstellungsland: Slowakei |
| Lubrikation: Umfangsnut Schmiernut vorhanden(en) |
| Zolltarifnummer: 8482 4000 |
Erweiterte technische Daten
| Äußeres Breitenmaße: mm 68,00 |
| Begrenzungsdrehzahl (n G) "8400.0000" |
| Äußeres Breitenmaße:(B) mm 25,00 |
| Durchmesser Unterrollen (F w) mm 55,00 |
| ECLASS number 23-05-09-07 |
| ECLASS2 number 23-05-09-07 |
| Einzelgewicht in (kg): 0.191 |
| Innenmaße: mm 55,00 |
| Radial Dynamic Load Rating Cr (N) 45500 |
| Radial Static Load Rating C0r (N) 82000 |
| Referenzdrehzahl (n ϑr) "5200.0000" |
| XL X-Life |
| Betriebstemperatur max.: 120 °C |
| Betriebstemperatur min.: -30 °C |
| C 0r 82.000 N Statische Tragzahl, radial |
| C r 45.500 N Dynamische Tragzahl, radial |
| C ur 14.300 N Ermüdungsgrenzbelastung, radial |
| D 68 mm Außendurchmesser |
| Dynamische Tragzahl, radial: 45.500 N |
| Ermüdungsgrenzbelastung, radial: 14.300 N |
| Minimaler Kantenabstand: 0,6 mm |
| Statische Tragzahl, radial: 82.000 N |
| T max 120 °C Betriebstemperatur max. |
| T min -30 °C Betriebstemperatur min. |
| n G 8.400 1/min Grenzdrehzahl |
| n ϑr 5.200 1/min Bezugsdrehzahl |
| r min 0,6 mm Minimaler Kantenabstand |
| ≈m 191,05 g Einzelgewicht |
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4.6 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
Great ball!
Style: Recharges, Size: Medium
The dog loves chasing it! Walks around sqeeking it all the time. And bonus, I can see it in the middle of the floor when I get up in the middle of the night so I won't unknowing step on it.
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Reviewed in the United States on May 5, 2026
★★★★★ 5
Lil boy's favorite ball
Style: Recharges, Size: Medium
The squeak gets my little boy every time. The glow factor is under par. I mainly get it because he also enjoys the brighter colors. All of the others be trying to get his ball. Good product just wish it would glow better because our park times are right around sunset.
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Reviewed in the United States on January 20, 2026
★★★★★ 5
Chuck it!
Style: Recharges, Size: Medium
My Golden Doodle absolutely loves this ball. His new favorite!
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Reviewed in the United States on April 17, 2026
★★★★★ 4
The glow doesn’t last long, not super bright.
Style: Recharges, Size: Medium
I charge my glow in the dark balls with a black light flashlight, this one was not very bright, and it did not hold the charge very long. Also, with it being green, it was hard for my dog to find in the grass.
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Reviewed in the United States on April 6, 2026
★★★★★ 5
Squeaks and glows
Style: Recharges, Size: Medium
Squeaks. Glows, and labs love them.
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Reviewed in the United States on January 19, 2026