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Description
NA6909-ZW-XL INATechnische Basisdaten Hersteller: INA Synonym: 0507442160000 NA6909 ZW Auendurchmesser: 68 mm Bezugsdrehzahl: 4. 750 1 min Gewicht: 508 Gramm Grenzdrehzahl: 8. 600 1 min Herstellungsland: Slowakei Lubrikation: Umfangsnut Schmiernut vorhanden(en) Zolltarifnummer: 8482 4000 Erweiterte technische Daten ueres Breitenmae: mm 68,00 Begrenzungsdrehzahl (n G) "8600. 0000" ueres Breitenmae:(B) mm 40,00 ueres Breitenmae:(b) mm 40,00 ECLASS number 23 05 09 07
Technische Basisdaten
| Hersteller: INA |
| Synonym: 0507442160000 NA6909-ZW |
| Außendurchmesser: 68 mm |
| Bezugsdrehzahl: 4.750 1/min |
| Gewicht: 508 Gramm |
| Grenzdrehzahl: 8.600 1/min |
| Herstellungsland: Slowakei |
| Lubrikation: Umfangsnut Schmiernut vorhanden(en) |
| Zolltarifnummer: 8482 4000 |
Erweiterte technische Daten
| Äußeres Breitenmaße: mm 68,00 |
| Begrenzungsdrehzahl (n G) "8600.0000" |
| Äußeres Breitenmaße:(B) mm 40,00 |
| Äußeres Breitenmaße:(b) mm 40,00 |
| ECLASS number 23-05-09-07 |
| ECLASS2 number 23-05-09-07 |
| Einzelgewicht in (kg): 0.495 |
| Innenmaße: mm 45,00 |
| Radial Dynamic Load Rating Cr (N) 79000 |
| Radial Static Load Rating C0r (N) 127000 |
| Referenzdrehzahl (n ϑr) "4750.0000" |
| XL X-Life |
| ZW Double Row Needle Roller And Cage Assembly |
| Betriebstemperatur max.: 120 °C |
| Betriebstemperatur min.: -30 °C |
| C 0r 127.000 N Statische Tragzahl, radial |
| C r 79.000 N Dynamische Tragzahl, radial |
| C ur 21.800 N Ermüdungsgrenzbelastung, radial |
| D 68 mm Außendurchmesser |
| Dynamische Tragzahl, radial: 79.000 N |
| Ermüdungsgrenzbelastung, radial: 21.800 N |
| Minimaler Kantenabstand: 0,6 mm |
| Statische Tragzahl, radial: 127.000 N |
| T max 120 °C Betriebstemperatur max. |
| T min -30 °C Betriebstemperatur min. |
| axialer Verschiebeweg: 0,5 mm |
| n G 8.600 1/min Grenzdrehzahl |
| n ϑr 4.750 1/min Bezugsdrehzahl |
| r min 0,6 mm Minimaler Kantenabstand |
| s 0,5 mm axialer Verschiebeweg |
| ≈m 508 g Einzelgewicht |
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Exchange/Return Notes
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4.4 ★★★★★
Based on 484 reviews
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Product Reviews
★★★★★ 5
Trimmer results
Was alittle hesitant with this being B&D
But I was surprised how great it really is.
By far way above my expectations. Works like a charm and does a great job. Chose electric because I really don't have other than a driveway to do. But it really did good around the flower beds.
Cord limits you alittle but nothing to cry about. Quiet also but still use ear plugs.
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Reviewed in the United States on May 9, 2026
★★★★★ 5
Easy to use
Style: 20V Pwr Drv Trimmer (LST522-CA)
Light weight perfect for edging around the yard.
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Reviewed in the United States on April 24, 2026
★★★★★ 5
Works great-easy-breezy!
Style: 20V Pwr Drv Trimmer (LST522-CA)
Wifey loves this!
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Reviewed in the United States on April 26, 2026
★★★★★ 4
Weeds
Style: 20V Pwr Drv Trimmer (LST522-CA)
Great
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Reviewed in the United States on May 16, 2026
★★★★★ 5
Very good trimmer
Style: 20V Pwr Drv Trimmer (LST522-CA)
This is my third black and decker trimmer over 10 years. This new one has a few more features. Great trimmer. The only thing I don’t like is the spool advance spring which if not careful can fall out and get lost when installing a new spool.
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Reviewed in the United States on December 3, 2025