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Description
81209 tv inaTechnische Basisdaten Hersteller: INA Synonym: 0006515590000 Auendurchmesser: 73 mm Axialrollenkranz: K81209 TV Bezugsdrehzahl: 1. 820 1 min Gewicht: 288 Gramm Grenzdrehzahl: 4. 900 1 min Laufscheibe: LS6590 Wellenscheibe: WS81209 Zolltarifnummer: 8482 5000 Erweiterte technische Daten ueres Breitenmae: mm 73,00 Axial Dynamic Load Rating Ca (N) 105000 Axial Static Load Rating C0a (N) 265000 Begrenzungsdrehzahl (n G) "4900. 0000" ueres Breitenmae:(B) mm
Technische Basisdaten
| Hersteller: INA |
| Synonym: 0006515590000 |
| Außendurchmesser: 73 mm |
| Axialrollenkranz: K81209-TV |
| Bezugsdrehzahl: 1.820 1/min |
| Gewicht: 288 Gramm |
| Grenzdrehzahl: 4.900 1/min |
| Laufscheibe: LS6590 |
| Wellenscheibe: WS81209 |
| Zolltarifnummer: 8482 5000 |
Erweiterte technische Daten
| Äußeres Breitenmaße: mm 73,00 |
| Axial Dynamic Load Rating Ca (N) 105000 |
| Axial Static Load Rating C0a (N) 265000 |
| Begrenzungsdrehzahl (n G) "4900.0000" |
| Äußeres Breitenmaße:(B) mm 20,00 |
| ECLASS number 23-05-11-01 |
| ECLASS2 number 23-05-11-01 |
| Einzelgewicht in (kg): 0.288 |
| Innenmaße: mm 45,00 |
| Referenzdrehzahl (n ϑr) "1820.0000" |
| TV Polyamide Cage |
| Betriebstemperatur max.: 120 °C |
| Betriebstemperatur min.: -30 °C |
| Borddurchmesser Wellenscheibe: 73 mm |
| C 0a 265.000 N statische Tragzahl, axial |
| C a 105.000 N dynamische Tragzahl, axial |
| C ua 23.700 N Ermüdungsgrenzbelastung, axial |
| D 73 mm Außendurchmesser |
| Ermüdungsgrenzbelastung, axial: 23.700 N |
| K81209-TV Axialrollenkranz |
| LS6590 Laufscheibe |
| Maximaler Freistichradius: 1 mm |
| Minimaler Kantenabstand: 1 mm |
| T max 120 °C Betriebstemperatur max. |
| T min -30 °C Betriebstemperatur min. |
| WS81209 Wellenscheibe |
| d =1 73 mm Borddurchmesser Wellenscheibe |
| dynamische Tragzahl, axial: 105.000 N |
| n G 4.900 1/min Grenzdrehzahl |
| n ϑr 1.820 1/min Bezugsdrehzahl |
| r a max 1 mm Maximaler Freistichradius |
| r min 1 mm Minimaler Kantenabstand |
| statische Tragzahl, axial: 265.000 N |
| ≈m 287,9 g Einzelgewicht |
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4.8 ★★★★★
Based on 549 reviews
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Product Reviews
★★★★★ 5
An Actual Nice Chair for a Decent Price. +2 for the Tool.
Color: Black Grey
Welp, My old chair finally broke, so It was time for a new one. I ended up coming across this chair here, and I couldn't really find anyone talking about it online. I decided to give it a shot since it was on a good sale for Christmas, going down to 99$. I'm going to be honest, I am pleasantly surprised. The cushioning for it is a little firm, but that is perfect for me. Its pretty average when it comes to office chairs, but having the added lower back support is a great touch. I have no complaints about it.
The one thing that I am actually really happy about isn't on the chair. Don't get me wrong, over the week I have been using it, It has been nothing but great. That thing is the actual tool it came with. Its a basic Allen key, but the top of it is a molded handle instead of a "L" piece of metal. It made the already easy process of putting together this chair even better. Even after this chair has ran its course like all other chairs, I'm going to still use this tool.
So yeah, I think 5 - stars pretty accurately describes how I feel about my chair.
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Reviewed in the United States on January 2, 2026
★★★★★ 5
Comfortable chair that works great for long hours
Color: Black
I’ve been using this office chair for a few days and it’s been very comfortable for working and longer desk sessions. The high back design and ergonomic support help maintain good posture, while the cushioning stays comfortable throughout the day. The chair feels sturdy and stable, and the 330 lb capacity gives it a solid, durable feel. It also rolls smoothly and quietly, which is nice when moving around the workspace without creating a lot of noise. Overall, it was easy to assemble, looks professional, and offers great value for the money.
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Reviewed in the United States on June 10, 2026
★★★★★ 5
Very Comfortable Ergonomic Chair - Great for Long Work Days!
Color: Black, Color: Black
I’ve been using this ergonomic office chair for a couple of weeks now and I’m genuinely impressed. For the price, it offers excellent comfort and support.
What I like:
• Very comfortable padded seat and backrest — I can sit for 8+ hours without back pain.
• Good lumbar support and adjustable height/armrests.
• Holds up to 330 lbs easily (I’m 240 lbs and it feels very stable).
• Smooth rolling wheels and sturdy base.
• Easy to assemble (took about 20 minutes).
The mesh back breathes well and doesn’t get hot. It looks professional in my home office too.
Overall, this is a solid ergonomic chair. If you spend a lot of time at a desk, I highly recommend it.
Would I buy it again? Yes, definitely.
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Reviewed in the United States on May 12, 2026
★★★★★ 4
Great if you're average height.
Color: Black
Comfortable for the price. The seat could be a bit better, but for a budget friendly ergonomic chair, it's well made and has helped a lot with my back pain caused by my previous desk chair.
Assembly wasn't terribly difficult, though I did have one screw with damaged threads. Luckily they ship spare screws in the kit, so that was a non-issue.
Rollers work great on my small rug and hard flooring and don't tend to tangle cords or cables too much.
Size wise, works great for my frame (5 ft 6 in) but for someone more than a few inches taller than myself, you should probably look at another chair.
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Reviewed in the United States on September 4, 2025
★★★★★ 5
Great chair
Color: Black
I am very happy with my purchase. Easy to assemble but be aware your drill bits included with your set won't fit their screws. However, you can get a fair bit done with the drill and then use tool included to adjust. Super comfortable and exactly the right height for my desk. Highly recommend for quality exceeding price point.
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Reviewed in the United States on May 9, 2026