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Description
na6904 inaTechnische Basisdaten Hersteller: INA Synonym: 0507441600000 NA6904 Auendurchmesser: 37 mm Bezugsdrehzahl: 8. 900 1 min Gewicht: 137 Gramm Grenzdrehzahl: 16. 900 1 min Herstellungsland: Slowakei Lubrikation: Umfangsnut Schmiernut vorhanden(en) Zolltarifnummer: 8482 4000 Erweiterte technische Daten ueres Breitenmae: mm 37,00 Begrenzungsdrehzahl (n G) "16900. 0000" Begrenzungsdrehzahl fr SchmierstoffLubrikation: (n G Fett) "10100. 0000" ueres
Technische Basisdaten
| Hersteller: INA |
| Synonym: 0507441600000 NA6904 |
| Außendurchmesser: 37 mm |
| Bezugsdrehzahl: 8.900 1/min |
| Gewicht: 137 Gramm |
| Grenzdrehzahl: 16.900 1/min |
| Herstellungsland: Slowakei |
| Lubrikation: Umfangsnut Schmiernut vorhanden(en) |
| Zolltarifnummer: 8482 4000 |
Erweiterte technische Daten
| Äußeres Breitenmaße: mm 37,00 |
| Begrenzungsdrehzahl (n G) "16900.0000" |
| Begrenzungsdrehzahl für SchmierstoffLubrikation: (n G Fett) "10100.0000" |
| Äußeres Breitenmaße:(B) mm 30,00 |
| Äußeres Breitenmaße:(b) mm 30,00 |
| ECLASS number 23-05-09-07 |
| ECLASS2 number 23-05-09-07 |
| Einzelgewicht in (kg): 0.141 |
| Innenmaße: mm 20,00 |
| Radial Dynamic Load Rating Cr (N) 40500 |
| Radial Static Load Rating C0r (N) 51000 |
| Referenzdrehzahl (n ϑr) "8900.0000" |
| XL X-Life |
| Betriebstemperatur max.: 120 °C |
| Betriebstemperatur min.: -30 °C |
| C 0r 51.000 N Statische Tragzahl, radial |
| C r 40.500 N Dynamische Tragzahl, radial |
| C ur 9.200 N Ermüdungsgrenzbelastung, radial |
| D 37 mm Außendurchmesser |
| Dynamische Tragzahl, radial: 40.500 N |
| Ermüdungsgrenzbelastung, radial: 9.200 N |
| Minimaler Kantenabstand: 0,3 mm |
| Statische Tragzahl, radial: 51.000 N |
| T max 120 °C Betriebstemperatur max. |
| T min -30 °C Betriebstemperatur min. |
| axialer Verschiebeweg: 1 mm |
| n G 16.900 1/min Grenzdrehzahl |
| n ϑr 8.900 1/min Bezugsdrehzahl |
| r min 0,3 mm Minimaler Kantenabstand |
| s 1 mm axialer Verschiebeweg |
| ≈m 137 g Einzelgewicht |
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Exchange/Return Notes
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4.3 ★★★★★
Based on 320 reviews
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Product Reviews
★★★★★ 3
Pretty Colors to Encourage Me to Walk!
Size: X-Large, Color: (601) Bittersweet Pink / Stone / Stone
Hum. Extra large does not seem extra large. I have a slender but size 10-10.5 foot. Will keep but was hoping for a looser fit. Bought to match an Under Armour walking outfit.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
★★★★★ 5
Socks
Size: X-Large, Color: (601) Bittersweet Pink / Stone / Stone
So cute
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 6, 2026
★★★★★ 5
Real comfort.
Size: Large, Color: (001) Black / Black / Pitch Gray
Second purchase. Good workout sock.
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Reviewed in the United States on May 13, 2026
★★★★★ 5
Very nice
Size: Large, Color: (100) White / White / Pitch Gray
I just received these for my son. They are very nice and look sturdy, but he hasn't worn them yet, so I cannot speak to how well they hold up in the wash or when worn. They appear to be the right size and look stretchy, but not the kind of stretchy that feels super tight on the foot (which I don't like). If they wear unusually well or poorly, I will come back and edit this.
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Reviewed in the United States on December 26, 2025
★★★★★ 5
MY FAVORITE SOCKS
Size: Large, Color: (001) Black / Black / Pitch Gray
I bought these originally at my local UA store and had to buy more. They are my favorite daily wear.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 25, 2026
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