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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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Exchange/Return Notes
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4.1 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
Best socks for work or working out.
Size: One Size, Color: (015) Tetra Gray / Gray Matter / White Quartz
Great socks. They stay on your heel! Love the material; breathable and not thick. Love the neutral tone colors.
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Reviewed in the United States on January 1, 2025
★★★★★ 3
Didn’t meet full expectations
Size: One Size, Color: (001) Black / Black / Jet Gray
Much shorter than anticipated.
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Reviewed in the United States on December 16, 2025
★★★★★ 5
Perfect thickness and soft feel.
Size: 6-10, Color: Halo Gray/Assorted
Why did you pick this product vs others?:
Love theses socks. It's hard to find socks which won't get pulled down by athletic shoes. These stay put.
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Reviewed in the United States on June 29, 2025
★★★★★ 5
Comfy, great quality
Size: 6-10, Color: White
I’ve had these for quite a while now. They are holding up very well as i wear them a lot for work (coaching). They are very cushiony and most importantly, they do not slip!
I would compare these to Bombas but at a significantly better price point.
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Reviewed in the United States on December 18, 2024
★★★★★ 5
My favorite socks now!
Size: Medium, Color: Deep Sea/Breaker Blue/Electro Pink
I love socks! And these are quickly becoming my favorites! They do not slide down into your shoe no matter if you are working out or just wearing them for normal everyday use. The price is a little higher than I would normally pay for 3 pair of socks, but after wearing these for a few weeks, I think the quality and comfortability of these socks is well worth the money.
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Reviewed in the United States on November 1, 2023