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Description
na4911 inaTechnische Basisdaten Hersteller: INA Synonym: 0506325150000 NA4911 Auendurchmesser: 80 mm Bezugsdrehzahl: 4. 000 1 min Gewicht: 406 Gramm Grenzdrehzahl: 7. 200 1 min Herstellungsland: Slowakei Lubrikation: Umfangsnut Schmiernut vorhanden(en) Zolltarifnummer: 8482 4000 Erweiterte technische Daten ueres Breitenmae: mm 80,00 Begrenzungsdrehzahl (n G) "7200. 0000" ueres Breitenmae:(B) mm 25,00 ueres Breitenmae:(b) mm 25,00 ECLASS number 23 05 09 07
Technische Basisdaten
| Hersteller: INA |
| Synonym: 0506325150000 NA4911 |
| Außendurchmesser: 80 mm |
| Bezugsdrehzahl: 4.000 1/min |
| Gewicht: 406 Gramm |
| Grenzdrehzahl: 7.200 1/min |
| Herstellungsland: Slowakei |
| Lubrikation: Umfangsnut Schmiernut vorhanden(en) |
| Zolltarifnummer: 8482 4000 |
Erweiterte technische Daten
| Äußeres Breitenmaße: mm 80,00 |
| Begrenzungsdrehzahl (n G) "7200.0000" |
| Äußeres Breitenmaße:(B) mm 25,00 |
| Äußeres Breitenmaße:(b) mm 25,00 |
| ECLASS number 23-05-09-07 |
| ECLASS2 number 23-05-09-07 |
| Einzelgewicht in (kg): 0.425 |
| Innenmaße: mm 55,00 |
| Radial Dynamic Load Rating Cr (N) 65000 |
| Radial Static Load Rating C0r (N) 100000 |
| Referenzdrehzahl (n ϑr) "4000.0000" |
| XL X-Life |
| Betriebstemperatur max.: 120 °C |
| Betriebstemperatur min.: -30 °C |
| C 0r 100.000 N Statische Tragzahl, radial |
| C r 65.000 N Dynamische Tragzahl, radial |
| C ur 17.600 N Ermüdungsgrenzbelastung, radial |
| D 80 mm Außendurchmesser |
| Dynamische Tragzahl, radial: 65.000 N |
| Ermüdungsgrenzbelastung, radial: 17.600 N |
| Minimaler Kantenabstand: 1 mm |
| Statische Tragzahl, radial: 100.000 N |
| T max 120 °C Betriebstemperatur max. |
| T min -30 °C Betriebstemperatur min. |
| axialer Verschiebeweg: 1,5 mm |
| n G 7.200 1/min Grenzdrehzahl |
| n ϑr 4.000 1/min Bezugsdrehzahl |
| r min 1 mm Minimaler Kantenabstand |
| s 1,5 mm axialer Verschiebeweg |
| ≈m 406,81 g Einzelgewicht |
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Exchange/Return Notes
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4.7 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Durable yet soft ball that our dog enjoys chewing.
The balls are soft and well received by our puppy. They are pretty durable and he enjoys both chasing after them and teething on them.
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Reviewed in the United States on August 27, 2025
★★★★★ 5
size and quality are excellent
Just the right size for our little dog.
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Reviewed in the United States on December 1, 2025
★★★★★ 4
Deceptive Advertising
There's a little bit of false advertising going on here unless you thoroughly read the description. There are three balls in the picture, but you are only purchasing two. Always read the whole description before buying!
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Reviewed in the United States on September 22, 2025
★★★★★ 5
Great for indoor fun!
Dog loves it.
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Reviewed in the United States on March 11, 2026
★★★★★ 1
Not the same rubber.
I just received these today. I already have two of the same size direct from the local pet store. The one thing I liked about them that made me want to buy more - my 13lb dog could chew on them all night and never leave a mark. The red one I received was as expected. The blue one I received was not made out of the same rubber. It was softer. We played catch a few times and it didn’t bounce the same. I looked away for 5 minutes and she had it already starting to shred. Not sure what happened but 1 of the 2 balls I was sent was not up to par, possibly defective.
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Reviewed in the United States on May 23, 2024