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Description
nki42 20 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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4.7 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Stupid cute!
Color: Crown, Color: Crown
My Lily looked so cute on her first birthday and it was so easy to put on. It doubles as a toy if you want to cut the band off. It's got a crinkling sound, no squeaker
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Reviewed in the United States on August 24, 2025
★★★★★ 5
Not for tough dogs who chew
Color: Pawty
My dog loves it! We play tug of war and it’s still holding up. She is 40 pounds and is strong. But this would not be durable for dogs who rip things apart.
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Reviewed in the United States on April 29, 2025
★★★★★ 4
Cute gift
Color: Pawty
Cute and well made dog toys. A little smaller than anticipated but the dog liked it.
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Reviewed in the United States on February 15, 2026
★★★★★ 5
Love it
Color: Pawty
This was perfect for my boys 5th birthday. It’s cute and he loves it
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Reviewed in the United States on November 16, 2025
★★★★★ 5
Happy pup. Worth it.
My dog loves this thing. It takes hardly any effort to launch the ball. Flick of the wrist kinda thing. The squeaky ball is her favorite but unfortunately you can't buy this brand of ball separately. It says compatible with any 2.5 inch ball but that's not true. We have a ton of Penn tennis balls and they are just slightly too big for this launcher. You can do it but it's a huge pain and hard to throw. Another issue is that when we first got it the handle didn't want to stay screwed together. After the first day of use and having to rescrew it together multiple times, the issue seems to have corrected itself? Either way, for the price with the comfy handle, very low effort throwing for big pay off, two balls included and the crazy excitement from my dog anytime we get near the thing. It's definitely worth it. I like it much better than the chuck it and stone random cheap brand we used to have. I'm going to try one of the balls recommended in the product pictures. I'll update if they work out.
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Reviewed in the United States on May 19, 2026