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Description
nk73 25 inaTechnische Basisdaten Hersteller: INA Synonym: 0507546020000 NK73 25 RNA739025 TAF739025 Bezugsdrehzahl: 4. 150 1 min Gewicht: 303 Gramm Grenzdrehzahl: 6. 300 1 min Herstellungsland: Slowakei Innendurchmesser: 73 mm Lubrikation: Umfangsnut Schmiernut vorhanden(en) Zolltarifnummer: 8482 4000 Erweiterte technische Daten ueres Breitenmae: mm 90,00 Begrenzungsdrehzahl (n G) "6300. 0000" ueres Breitenmae:(B) mm 25,00 Durchmesser Unterrollen (F w) mm 73,00
Technische Basisdaten
| Hersteller: INA |
| Synonym: 0507546020000 NK73/25 RNA739025 TAF739025 |
| Bezugsdrehzahl: 4.150 1/min |
| Gewicht: 303 Gramm |
| Grenzdrehzahl: 6.300 1/min |
| Herstellungsland: Slowakei |
| Innendurchmesser: 73 mm |
| Lubrikation: Umfangsnut Schmiernut vorhanden(en) |
| Zolltarifnummer: 8482 4000 |
Erweiterte technische Daten
| Äußeres Breitenmaße: mm 90,00 |
| Begrenzungsdrehzahl (n G) "6300.0000" |
| Äußeres Breitenmaße:(B) mm 25,00 |
| Durchmesser Unterrollen (F w) mm 73,00 |
| ECLASS number 23-05-09-07 |
| ECLASS2 number 23-05-09-07 |
| Einzelgewicht in (kg): 0.302 |
| Innenmaße: mm 73,00 |
| Radial Dynamic Load Rating Cr (N) 60000 |
| Radial Static Load Rating C0r (N) 100000 |
| Referenzdrehzahl (n ϑr) "4150.0000" |
| XL X-Life |
| Betriebstemperatur max.: 120 °C |
| Betriebstemperatur min.: -30 °C |
| C 0r 100.000 N Statische Tragzahl, radial |
| C r 60.000 N Dynamische Tragzahl, radial |
| C ur 17.900 N Ermüdungsgrenzbelastung, radial |
| Dynamische Tragzahl, radial: 60.000 N |
| Ermüdungsgrenzbelastung, radial: 17.900 N |
| F w 73 mm Hüllkreis Innenmaße: |
| Hüllkreis innen: 73 mm |
| Minimaler Kantenabstand: 1 mm |
| Statische Tragzahl, radial: 100.000 N |
| T max 120 °C Betriebstemperatur max. |
| T min -30 °C Betriebstemperatur min. |
| n G 6.300 1/min Grenzdrehzahl |
| n ϑr 4.150 1/min Bezugsdrehzahl |
| r min 1 mm Minimaler Kantenabstand |
| ≈m 0,303 kg Einzelgewicht |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 174 reviews
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Product Reviews
★★★★★ 5
Durable
Color: S6-muti-color
The balls are great for chewers. The squeaky didn’t last long but they are perfect for the ball launcher.
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Reviewed in the United States on May 18, 2026
★★★★★ 4
The squeeker isn't durable, but the balls themselves are.
Color: S6-muti-color, Color: S6-muti-color
I have two 70+lb, ball obsessed dogs (a field bred Golden Retriever, and an Old Time Scotch Collie), and these balls are living up to the abuse they're receiving.
In the fall we always lose a ball or two in the yard due to getting lost in leaves or longer grass, so I always try and buy a multi pack at the start of the season, so went with these this year. I'm glad I did. Great price for a 6 pack, they fit the medium Chuck-It launcher (a little loosely, but they throw just fine), have great bounce, they FLOAT (which means I didn't lose any at the beach), and they're super durable to the dreaded "mouth squish." The squeaker dies pretty quick, like, within a day, but it isn't the kind that can fall out or choke your dog, so no worries there.
The boys are happy, I'm happy, my wallet is happy - I've already ordered another pack.
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Reviewed in the United States on November 2, 2024
★★★★★ 5
Good balls
Color: S6-glow
My dog is a chewer, and these have held up for close to a year actually a pretty good product
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Reviewed in the United States on May 27, 2026
★★★★★ 3
Disappointed
Color: S6-muti-color
These were great for about 20 minutes then they stopped squeaking...we have 2 left that I have saved but the other 4 do not squeak anymore...disappointed as my dog loves to squeak things...would not buy these again...My dog is only an 8lb dog too...but he can still play with the balls without the squeak...
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Great Value for a ball my dog loves!
Color: S6-muti-color
I wish these ball were in the subscription program! My dog gets sooo excited by the new ball, but her interest in things lasts for a few days. She kills the squeak within 11minutes, but the squeaker stays in place rather than becoming a chocking or swallow hazard, and she still loves to chew it. Next, we must throw the ball approximately 723 times the first day, possibly 496 times on day 2, and just 3- 4 on day 3, at which point she will chase the ball before hollering "it's over here if you need it," while she checks on the chipmunk den. We currently have 17 of these balls in our yard (because we have given several leftovers to a less discriminating doodle next door). These balls hold up really well, get her extremely active for the first couple of days, and are a much cheaper than doggie daycare (after an active morning with a new ball, she is happy to chew on it and sleep much of the day). I always have these on hand!
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Reviewed in the United States on November 22, 2025