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Description
NA4904-2RSR-XL INATechnische Basisdaten Abdichtung: 2RS GummiAbdichtung: beidseitig Hersteller: INA Synonym: 0507751970000 NA4904 2RSR Erweiterte technische Daten 2RSR Rubber Seals At Each Side Of The Bearing ueres Breitenmae: mm 37,00 Begrenzungsdrehzahl fr SchmierstoffLubrikation: (n G Fett) "10100. 0000" ueres Breitenmae:(B) mm 18,00 ECLASS number 23 05 09 07 ECLASS2 number 23 05 09 07 Einzelgewicht in (kg): 0. 078 Innenmae: mm 20,00 Medias beschreibung Nadellager
Technische Basisdaten
| Abdichtung: 2RS – GummiAbdichtung: beidseitig |
| Hersteller: INA |
| Synonym: 0507751970000 NA4904-2RSR |
Erweiterte technische Daten
| 2RSR Rubber Seals At Each Side Of The Bearing |
| Äußeres Breitenmaße: mm 37,00 |
| Begrenzungsdrehzahl für SchmierstoffLubrikation: (n G Fett) "10100.0000" |
| Äußeres Breitenmaße:(B) mm 18,00 |
| ECLASS number 23-05-09-07 |
| ECLASS2 number 23-05-09-07 |
| Einzelgewicht in (kg): 0.078 |
| Innenmaße: mm 20,00 |
| Medias beschreibung Nadellager NA49..-2RSR, Maßreihe 49, beidseitig LippenAbdichtung: |
| Radial Dynamic Load Rating Cr (N) 19500 |
| Radial Static Load Rating C0r (N) 19900 |
| XL X-Life |
| C 0r 19.900 N Statische Tragzahl, radial |
| C r 19.500 N Dynamische Tragzahl, radial |
| C ur 3.800 N Ermüdungsgrenzbelastung, radial |
| D 37 mm Außendurchmesser |
| T max 100 °C Betriebstemperatur max. |
| T min -20 °C Betriebstemperatur min. |
| r min 0,3 mm Minimaler Kantenabstand |
| ≈m 79 g Einzelgewicht |
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4.0 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 5
What a Ball
Size: Medium, Style: Ultra Tug
Great toy for exercise for my fur baby and me! She never tires from this ball! German shepherd loves to play!! Perfect size for her. She likes to chew and it stands up! Throw it in to wash with her towels!
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Reviewed in the United States on April 11, 2026
★★★★★ 5
Best and most durable toy for our German shepherd
Size: Medium, Style: Ultra Tug, Size: Medium, Style: Ultra Tug
We have a German shepherd. This is our 2nd purchase. The first one was her first and favorite toy.
We still have the first one. But the strap broke (after a year) bc we didn't realize she hid it under blanket, and she chewed it in half. But after a year of hard play, the strap was worn out. She still plays with her ball, and often carries it with her on her walks.
It throws well and I love not having to pick up a slobbery ball. The ball is soft, durable, safe, and easy to play with.
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Reviewed in the United States on August 22, 2025
★★★★★ 3
Cord is not durable. Not for unsupervised play.
Size: Medium, Style: Ultra Duo Tug
My dog loves this toy and chewed through the tether in about 15 minutes, making it pretty useless as a tug toy. So the cord is not durable as stated. This is not for dogs who love to chew. Also, it is a bit smaller, much more squishy and chewable than a tennis ball, and I was worried she would chew it apart and that it might get stuck in her throat without the tether, so I took it away, much to her disappointment.
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Excellent item
This is one of the best items that i've ever purchased. My puppy
Destroys every toy and every dog bed that i've ever gotten him. This particular toy is his favorite. It is well made, keeps him entertained And I must say, this company did a great job.
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Reviewed in the United States on January 14, 2026
★★★★★ 5
Doggy approved 👌
It did the trick my dog loves the toys
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Reviewed in the United States on April 18, 2026