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Description
rna4838 inaTechnische Basisdaten Hersteller: INA Synonym: 0507673800000 RNA4838 Bezugsdrehzahl: 1. 360 1 min Gewicht: 3170 Gramm Grenzdrehzahl: 2. 250 1 min Herstellungsland: Deutschland Lubrikation: Umfangsnut Schmiernut vorhanden(en) Zolltarifnummer: 8482 4000 Erweiterte technische Daten ueres Breitenmae: mm 240,00 Begrenzungsdrehzahl (n G) "2250. 0000" Begrenzungsdrehzahl fr SchmierstoffLubrikation: (n G Fett) "1350. 0000" ueres Breitenmae:(B) mm 50,00 ueres
Technische Basisdaten
| Hersteller: INA |
| Synonym: 0507673800000 RNA4838 |
| Bezugsdrehzahl: 1.360 1/min |
| Gewicht: 3170 Gramm |
| Grenzdrehzahl: 2.250 1/min |
| Herstellungsland: Deutschland |
| Lubrikation: Umfangsnut Schmiernut vorhanden(en) |
| Zolltarifnummer: 8482 4000 |
Erweiterte technische Daten
| Äußeres Breitenmaße: mm 240,00 |
| Begrenzungsdrehzahl (n G) "2250.0000" |
| Begrenzungsdrehzahl für SchmierstoffLubrikation: (n G Fett) "1350.0000" |
| Äußeres Breitenmaße:(B) mm 50,00 |
| Äußeres Breitenmaße:(b) mm 50,00 |
| Durchmesser Unterrollen (F w) mm 210,00 |
| ECLASS number 23-05-09-07 |
| ECLASS2 number 23-05-09-07 |
| Einzelgewicht in (kg): 3.1624 |
| Innenmaße: mm 210,00 |
| Radial Dynamic Load Rating Cr (N) 255000 |
| Radial Static Load Rating C0r (N) 690000 |
| Referenzdrehzahl (n ϑr) "1360.0000" |
| XL X-Life |
| Betriebstemperatur max.: 120 °C |
| Betriebstemperatur min.: -30 °C |
| C 0r 690.000 N Statische Tragzahl, radial |
| C r 255.000 N Dynamische Tragzahl, radial |
| C ur 102.000 N Ermüdungsgrenzbelastung, radial |
| Dynamische Tragzahl, radial: 255.000 N |
| Ermüdungsgrenzbelastung, radial: 102.000 N |
| Minimaler Kantenabstand: 1,5 mm |
| Statische Tragzahl, radial: 690.000 N |
| T max 120 °C Betriebstemperatur max. |
| T min -30 °C Betriebstemperatur min. |
| n G 2.250 1/min Grenzdrehzahl |
| n ϑr 1.360 1/min Bezugsdrehzahl |
| r min 1,5 mm Minimaler Kantenabstand |
| ≈m 3,17 kg Einzelgewicht |
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4.6 ★★★★★
Based on 380 reviews
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Product Reviews
★★★★★ 1
DO NOT BUY! DO NOT BUY! DO NOT BUY!
Color: Black, Color: Black
Absolute garbage chair. Only had for six month and the mesh on the seat has already come apart after using it for my home office. Chair was squaking after only three months and now I can't even sit in it cause it sags.
Can't even get my money back for this cheap garbage.
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Just What I Needed for My Home Office
Color: Black
I’ve been very happy with this office chair. It was straightforward to assemble, feels sturdy, and offers excellent support for long hours at my desk.
The adjustable lumbar support, armrests, and headrest make it easy to customize for a comfortable fit, and the mesh design helps keep the chair breathable throughout the day.
Overall, this chair is comfortable, ergonomic, and a great value for a home office setup.
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Great chair for my gaming husband
Color: Black
My husband loves this chair. He is 6’ 4” and he has room in this chair. It is super comfortable and easy to put together. This chair is sturdy and worth every penny.
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Reviewed in the United States on June 7, 2026
★★★★★ 4
OK for basic Office chair
Color: Black
Positives:Comfortable chair, decent lumbar support. Negatives: no height adjustment for seat or tilt. Handles spin to sides with the slightest touch. Will try to figure out how to securehandles in place. Period good entry level office chair, should have ordered more of an upgraded chair.
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Reviewed in the United States on April 19, 2026
★★★★★ 5
Great daily chair
Color: Black, Color: Black
This is a great chair and very comfortable. I'm hard on fabrics and the material is excellent for me. I didn't think I would like the headrest (because I've never had one), however, I enjoy it's use at times. The wheels roll very easily and the seat height is perfect. The seat is easy to keep clean. I've had this chair for 3 months with daily use and it looks brand new. I would buy this chair again.
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Reviewed in the United States on April 21, 2026