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Description
NKI42/20-XL INATechnische Basisdaten Hersteller: INA Synonym: 0507622900000 NA425720 NBI425720 NKI42 20 NKJ42 20A TAFI425720 Auendurchmesser: 57 mm Bezugsdrehzahl: 5. 600 1 min Gewicht: 146 Gramm Grenzdrehzahl: 9. 800 1 min Herstellungsland: Slowakei 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 20,00 ueres
Technische Basisdaten
| Hersteller: INA |
| Synonym: 0507622900000 NA425720 NBI425720 NKI42/20 NKJ42/20A TAFI425720 |
| Außendurchmesser: 57 mm |
| Bezugsdrehzahl: 5.600 1/min |
| Gewicht: 146 Gramm |
| Grenzdrehzahl: 9.800 1/min |
| Herstellungsland: Slowakei |
| 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 20,00 |
| Äußeres Breitenmaße:(b) mm 20,00 |
| ECLASS number 23-05-09-07 |
| ECLASS2 number 23-05-09-07 |
| Einzelgewicht in (kg): 0.148 |
| Innenmaße: mm 42,00 |
| Radial Dynamic Load Rating Cr (N) 32500 |
| Radial Static Load Rating C0r (N) 56000 |
| Referenzdrehzahl (n ϑr) "5600.0000" |
| XL X-Life |
| Betriebstemperatur max.: 120 °C |
| Betriebstemperatur min.: -30 °C |
| C 0r 56.000 N Statische Tragzahl, radial |
| C r 32.500 N Dynamische Tragzahl, radial |
| C ur 10.100 N Ermüdungsgrenzbelastung, radial |
| D 57 mm Außendurchmesser |
| Dynamische Tragzahl, radial: 32.500 N |
| Ermüdungsgrenzbelastung, radial: 10.100 N |
| Minimaler Kantenabstand: 0,3 mm |
| Statische Tragzahl, radial: 56.000 N |
| T max 120 °C Betriebstemperatur max. |
| T min -30 °C Betriebstemperatur min. |
| axialer Verschiebeweg: 0,5 mm |
| n G 9.800 1/min Grenzdrehzahl |
| n ϑr 5.600 1/min Bezugsdrehzahl |
| r min 0,3 mm Minimaler Kantenabstand |
| s 0,5 mm axialer Verschiebeweg |
| ≈m 146,3 g Einzelgewicht |
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- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
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4.2 ★★★★★
Based on 1537 reviews
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Product Reviews
★★★★★ 5
Great value and amazing quality!
Great quality, as the bags are not as thin as the other brands, so they are an amazing value and choice.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2026
★★★★★ 5
Small balls for all of my dogs
I have 5 dogs of various sizes, and I have found that they all love the smallest tennis balls. The biggest won't touch a 3" tennis ball. I also have 2" balls, but everyone's favorite is the 1.5" ball. Now I have 40 of them to last a while!. This package comes with more colors than I've ever had, and they're all very visible. The purple is the least visible, but you can still see it in the grass. We have a large field and constantly throw the balls out. The dogs get plenty of exercise running and jumping after them. The dogs love the squeakers. The big dog (only 35 lb) can put the whole ball in her mouth, but she is not the type to try to swallow it, so I'm not worried. (I know there are some dogs out there who would swallow anything.) She just wants to bite down on it and hear it squeak. It's so much fun watching my dogs and their squeaky balls. The set came with a mesh bag for storage, too.
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Reviewed in the United States on April 28, 2026
★★★★★ 5
My dog is pleased!
Size: 10 Pacck, Color: Multicolor
My 7 lb cavapoo loves these!! They are the perfect size and a good deal.
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Reviewed in the United States on March 11, 2026
★★★★★ 5
balls for puppy
Size: 10 Pacck, Color: Multicolor
great value, exactly what I was looking for, my puppy loves them.
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Reviewed in the United States on May 6, 2026
★★★★★ 4
Works but fibers are an issue
Size: 10 Pacck, Color: Multicolor
These were great for my small Yorkie puppy. She had to is bite issue and we needed these tennis balls to help her stretch and correct her jaw. Squeaker works well. The chewing helped but it wasn’t necessarily “chew resistant”. the little fibers from the ball will start to come off and dog will hack a bit. For that reason, I am unsure of the safety of it long term. Must be supervised always. Will try a def brand next time but this helped our lady w her jaw pain/issue.
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Reviewed in the United States on May 25, 2026
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