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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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4.9 ★★★★★
Based on 1197 reviews
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Product Reviews
★★★★★ 5
Educational book loved by older infants and toddlers
Format: Board book
Such a cute book. I got one for each grandchild and they both love it. They are so cute mimicking animal sounds and they adore pushing the sound buttons.
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Reviewed in the United States on April 23, 2026
★★★★★ 5
Excellent book
Format: Board book
Very nice and interesting for baby
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Reviewed in the United States on March 16, 2026
★★★★★ 5
Amazing product!
Format: Board book
LOVE this book for my baby. The buttons are very sensitive and responds to a light touch which means that my baby can actually push the buttons with positive feedback. Wish they had more books like this!
(Only thing that I would consider changing on this book is an on/off toggle for the sound)
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Reviewed in the United States on January 12, 2026
★★★★★ 5
Perfect for 1 year old
Format: Board book
My child has had 2 of these books now - she loves it!
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Reviewed in the United States on February 23, 2026
★★★★★ 5
Cute Book. Baby Favorite
Format: Board book
My Grandsons favorite book. ( he’s 8 months old)
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Reviewed in the United States on June 1, 2026