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Description
rna4912 inaTechnische Basisdaten Hersteller: INA Synonym: 0506664440000 RNA4912 Bezugsdrehzahl: 3. 850 1 min Gewicht: 272 Gramm Grenzdrehzahl: 6. 700 1 min Herstellungsland: Slowakei Innendurchmesser: 68 mm Lubrikation: Umfangsnut Schmiernut vorhanden(en) Zolltarifnummer: 8482 4000 Erweiterte technische Daten ueres Breitenmae: mm 85,00 Begrenzungsdrehzahl (n G) "6700. 0000" Begrenzungsdrehzahl fr SchmierstoffLubrikation: (n G Fett) "4000. 0000" ueres
Technische Basisdaten
| Hersteller: INA |
| Synonym: 0506664440000 RNA4912 |
| Bezugsdrehzahl: 3.850 1/min |
| Gewicht: 272 Gramm |
| Grenzdrehzahl: 6.700 1/min |
| Herstellungsland: Slowakei |
| Innendurchmesser: 68 mm |
| Lubrikation: Umfangsnut Schmiernut vorhanden(en) |
| Zolltarifnummer: 8482 4000 |
Erweiterte technische Daten
| Äußeres Breitenmaße: mm 85,00 |
| Begrenzungsdrehzahl (n G) "6700.0000" |
| Begrenzungsdrehzahl für SchmierstoffLubrikation: (n G Fett) "4000.0000" |
| Äußeres Breitenmaße:(B) mm 25,00 |
| Äußeres Breitenmaße:(b) mm 25,00 |
| Durchmesser Unterrollen (F w) mm 68,00 |
| ECLASS number 23-05-09-07 |
| ECLASS2 number 23-05-09-07 |
| Einzelgewicht in (kg): 0.275 |
| Innenmaße: mm 68,00 |
| Radial Dynamic Load Rating Cr (N) 68000 |
| Radial Static Load Rating C0r (N) 108000 |
| Referenzdrehzahl (n ϑr) "3850.0000" |
| XL X-Life |
| Betriebstemperatur max.: 120 °C |
| Betriebstemperatur min.: -30 °C |
| C 0r 108.000 N Statische Tragzahl, radial |
| C r 68.000 N Dynamische Tragzahl, radial |
| C ur 19.100 N Ermüdungsgrenzbelastung, radial |
| Dynamische Tragzahl, radial: 68.000 N |
| Ermüdungsgrenzbelastung, radial: 19.100 N |
| F w 68 mm Hüllkreis Innenmaße: |
| Hüllkreis innen: 68 mm |
| Minimaler Kantenabstand: 1 mm |
| Statische Tragzahl, radial: 108.000 N |
| T max 120 °C Betriebstemperatur max. |
| T min -30 °C Betriebstemperatur min. |
| n G 6.700 1/min Grenzdrehzahl |
| n ϑr 3.850 1/min Bezugsdrehzahl |
| r min 1 mm Minimaler Kantenabstand |
| ≈m 0,272 kg Einzelgewicht |
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Exchange/Return Notes
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4.3 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 3
Ok
Not bad not great. Quality feels cheap.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 30, 2025
★★★★★ 5
Lower unit water pump
Worked fine
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Reviewed in the United States on October 16, 2025
★★★★★ 5
Great value and working started
Great starter. I had ordered a cheaper option before this and it just hold up. When this one arrived I could tell I made the right decision right out of the box. It looked, felt and worked like the OEM one. No shims just a good working starter. Spend a few extra bucks and save time.
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Perfect fit for 5.7 Mercruiser
Great fit for mercruiser 5.7
Have had it installed for about 6 months and still working great!
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Reviewed in the United States on May 17, 2026
★★★★★ 5
Great Buy!!! 5-Star!!!
Bolted up! Boat starts like the original starter! Great Buy!!!
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Reviewed in the United States on April 1, 2026