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Description
nk38 20 inaTechnische Basisdaten Hersteller: INA Synonym: 0507542620000 NB384820 NK38 20 RNA384820 TAF384820 Bezugsdrehzahl: 7. 200 1 min Dichtring: G38X48X4 Gewicht: 77 Gramm Grenzdrehzahl: 12. 000 1 min Herstellungsland: Slowakei Lubrikation: Umfangsnut Schmiernut vorhanden(en) Zolltarifnummer: 8482 4000 Erweiterte technische Daten ueres Breitenmae: mm 48,00 Begrenzungsdrehzahl (n G) "12000. 0000" ueres Breitenmae:(B) mm 20,00 Durchmesser Unterrollen (F w) mm
Technische Basisdaten
| Hersteller: INA |
| Synonym: 0507542620000 NB384820 NK38/20 RNA384820 TAF384820 |
| Bezugsdrehzahl: 7.200 1/min |
| Dichtring: G38X48X4 |
| Gewicht: 77 Gramm |
| Grenzdrehzahl: 12.000 1/min |
| Herstellungsland: Slowakei |
| Lubrikation: Umfangsnut Schmiernut vorhanden(en) |
| Zolltarifnummer: 8482 4000 |
Erweiterte technische Daten
| Äußeres Breitenmaße: mm 48,00 |
| Begrenzungsdrehzahl (n G) "12000.0000" |
| Äußeres Breitenmaße:(B) mm 20,00 |
| Durchmesser Unterrollen (F w) mm 38,00 |
| ECLASS number 23-05-09-07 |
| ECLASS2 number 23-05-09-07 |
| Einzelgewicht in (kg): 0.079 |
| Innenmaße: mm 38,00 |
| Radial Dynamic Load Rating Cr (N) 29000 |
| Radial Static Load Rating C0r (N) 45000 |
| Referenzdrehzahl (n ϑr) "7200.0000" |
| XL X-Life |
| Betriebstemperatur max.: 120 °C |
| Betriebstemperatur min.: -30 °C |
| C 0r 45.000 N Statische Tragzahl, radial |
| C r 29.000 N Dynamische Tragzahl, radial |
| C ur 8.100 N Ermüdungsgrenzbelastung, radial |
| Dichtring 2: SD38X48X4 |
| Dynamische Tragzahl, radial: 29.000 N |
| Ermüdungsgrenzbelastung, radial: 8.100 N |
| G38X48X4 Dichtring |
| Minimaler Kantenabstand: 0,3 mm |
| SD38X48X4 Dichtring 2 |
| Statische Tragzahl, radial: 45.000 N |
| T max 120 °C Betriebstemperatur max. |
| T min -30 °C Betriebstemperatur min. |
| n G 12.000 1/min Grenzdrehzahl |
| n ϑr 7.200 1/min Bezugsdrehzahl |
| r min 0,3 mm Minimaler Kantenabstand |
| ≈m 77,3 g Einzelgewicht |
Shipping Notes
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Exchange/Return Notes
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4.3 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 5
Best chew toy ever!
Size: Small, Color: Textured Ring, Size: Small, Color: Textured Ring
This bone is indestructible. Finally a toy that doesn't get chewed up to pieces.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
★★★★★ 5
Heavy duty, excellent quality
Size: Small, Color: Textured Ring, Size: Small, Color: Textured Ring
I trust the Nylabone brand and would not buy a cheap substitute to save a few bucks. This ring is heavy duty. I got it for our 9-week-old puppy and it keeps her interested and entertained with all the little nubs. She uses it more as a toy than something to chew on, tossing it around and mouthing it. It's very hard so I'm not worried about her being able to chew off any little pieces at this point. This satisfies her for now and helps to keep her busy and reigns in some of her puppy energy. Recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 9, 2026
★★★★★ 5
Strong
Size: Small, Color: Textured Ring
My French Bulldogs have really strong jaws and are aggressive chewers. These really are sturdy and last a good amount of time. I replace every couple of months and they are one of my dogs favorites and easy for them to hold onto.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
★★★★★ 4
Durable Chew Toy That Actually Holds Up to Strong Jaws
Size: Large, Color: Bundle
This is a reliable option for a heavy chewer, especially for a large breed with a strong bite. The material feels tough and well-made, and it stands up well to consistent chewing without immediately breaking down like softer toys tend to do. It also gives a bit of dental benefit by helping reduce plaque and tartar buildup during play, which is a nice bonus since brushing isn’t always realistic. The textured surface keeps it interesting enough to hold attention for a while, and it doesn’t splinter or create a mess. Overall, it’s a solid, durable chew toy that works well for strong chewers who tend to destroy most standard toys quickly.
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Ergonomic good, material so, so
Size: Large, Color: Wishbone
Nice ergonomic, but the plastic come off and dog chew it. I had rather have a stronger material adequate for bigger dogs.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
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