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Description
nk25 20 inaTechnische Basisdaten Hersteller: INA Synonym: 0507540920000 NB253320 NK25 20 RNA253320 TAF253320 Auendurchmesser: 33 mm Bezugsdrehzahl: 10. 400 1 min Dichtring: G25X33X4 Gewicht: 43 Gramm Grenzdrehzahl: 17. 800 1 min Herstellungsland: Slowakei Lubrikation: Umfangsnut Schmiernut vorhanden(en) Zolltarifnummer: 8482 4000 Erweiterte technische Daten ueres Breitenmae: mm 33,00 Begrenzungsdrehzahl (n G) "17800. 0000" ueres Breitenmae:(B) mm 20,00
Technische Basisdaten
| Hersteller: INA |
| Synonym: 0507540920000 NB253320 NK25/20 RNA253320 TAF253320 |
| Außendurchmesser: 33 mm |
| Bezugsdrehzahl: 10.400 1/min |
| Dichtring: G25X33X4 |
| Gewicht: 43 Gramm |
| Grenzdrehzahl: 17.800 1/min |
| Herstellungsland: Slowakei |
| Lubrikation: Umfangsnut Schmiernut vorhanden(en) |
| Zolltarifnummer: 8482 4000 |
Erweiterte technische Daten
| Äußeres Breitenmaße: mm 33,00 |
| Begrenzungsdrehzahl (n G) "17800.0000" |
| Äußeres Breitenmaße:(B) mm 20,00 |
| Durchmesser Unterrollen (F w) mm 25,00 |
| ECLASS number 23-05-09-07 |
| ECLASS2 number 23-05-09-07 |
| Einzelgewicht in (kg): 0.042 |
| Innenmaße: mm 25,00 |
| Radial Dynamic Load Rating Cr (N) 21300 |
| Radial Static Load Rating C0r (N) 30500 |
| Referenzdrehzahl (n ϑr) "10400.0000" |
| XL X-Life |
| Betriebstemperatur max.: 120 °C |
| Betriebstemperatur min.: -30 °C |
| C 0r 30.500 N Statische Tragzahl, radial |
| C r 21.300 N Dynamische Tragzahl, radial |
| C ur 5.400 N Ermüdungsgrenzbelastung, radial |
| D 33 mm Außendurchmesser |
| Dichtring 2: SD25X33X4 |
| Dynamische Tragzahl, radial: 21.300 N |
| Ermüdungsgrenzbelastung, radial: 5.400 N |
| G25X33X4 Dichtring |
| Minimaler Kantenabstand: 0,3 mm |
| SD25X33X4 Dichtring 2 |
| Statische Tragzahl, radial: 30.500 N |
| T max 120 °C Betriebstemperatur max. |
| T min -30 °C Betriebstemperatur min. |
| n G 17.800 1/min Grenzdrehzahl |
| n ϑr 10.400 1/min Bezugsdrehzahl |
| r min 0,3 mm Minimaler Kantenabstand |
| ≈m 41,32 g Einzelgewicht |
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.7 ★★★★★
Based on 528 reviews
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Product Reviews
★★★★★ 5
Great for a gaming laptop!
Color: Black, Size: 1.37" without hook
Great product is you want to mount any size laptop under your desk. I used it for my Alienware gaming laptop and it's fantastic! The three points of contact hold the laptop securely, while allowing maximum airflow for the fans. The three "clamps" are rock solid and will definitely outlive the laptop. The installation was simple and easy, just need a drill.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 15, 2026
★★★★★ 5
under desk laptop system
Color: Black, Size: 1.37" without hook
Reclaimed real desk space with this one. The mount holds the laptop securely underneath without any vibration or creaking and the installation required no drilling — clamped cleanly to the desk edge. The ventilation spacing is generous enough that thermals stay reasonable even under load. Works with a solid range of laptop sizes and the adjustment mechanism is easy to use. If your laptop spends most of its time docked this is the cleanest way to get it out of the way.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 25, 2026
★★★★★ 4
Works great, but pads are peeling.
Color: Black, Size: 1.37" without hook
Works for what I needed, which was to mount my work laptop to the side of my desk. However, the rubber pads started peeling the first day. I tried clamping them down overnight, but they still ended up peeling up. They haven't come off completely and are still working, though. I may have to glue them down.
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Quality product.
Color: White, Size: 1.37" without hook
First of all it's made of metal so, I won't worry about accidentally breaking it and dropping my laptop. It came with adhesive rubber pads that fit inside the brackets, which is a nice touch for helping not to scratch up the laptop. It makes a huge difference to help declutter the desktop space.
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Reviewed in the United States on March 18, 2026
★★★★★ 5
Satisfied my need.
Color: Black, Size: 1.37" without hook
Easy to install and my laptop fits solidly. I have a work laptop, tower and my personal laptop. I hated how busy my home office desk looked. Moved my personal laptop underneath and made a big difference.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 28, 2026
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