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Description
sl024938 c3 inaTechnische Basisdaten Hersteller: INA Synonym: 0001241680030 NNCL4938V C3 Auendurchmesser: 260 mm ueres Breitenma: 69 mm Gewicht: 10636 Gramm Herstellungsland: Deutschland Zolltarifnummer: 8482 5000 Erweiterte technische Daten ueres Breitenmae: mm 260,00 Begrenzungsdrehzahl (n G) "1410. 0000" ueres Breitenmae:(B) mm 69,00 ueres Breitenmae:(b) mm 69,00 C3 Internal Clearance Larger Than Normal ECLASS number 23 05 09 01 ECLASS2 number 23 05 09 01
Technische Basisdaten
| Hersteller: INA |
| Synonym: 0001241680030 NNCL4938V/C3 |
| Außendurchmesser: 260 mm |
| Äußeres Breitenmaß: 69 mm |
| Gewicht: 10636 Gramm |
| Herstellungsland: Deutschland |
| Zolltarifnummer: 8482 5000 |
Erweiterte technische Daten
| Äußeres Breitenmaße: mm 260,00 |
| Begrenzungsdrehzahl (n G) "1410.0000" |
| Äußeres Breitenmaße:(B) mm 69,00 |
| Äußeres Breitenmaße:(b) mm 69,00 |
| C3 Internal Clearance Larger Than Normal |
| ECLASS number 23-05-09-01 |
| ECLASS2 number 23-05-09-01 |
| Einzelgewicht in (kg): 11 |
| Innenmaße: mm 190,00 |
| Interne Radialluft C3 Innenluft (größer als Cn) |
| Radial Dynamic Load Rating Cr (N) 580000 |
| Radial Static Load Rating C0r (N) 1270000 |
| Referenzdrehzahl (n ϑr) "860.0000" |
| B 69 mm Äußeres Breitenmaße: |
| C 0r 1.270.000 N Statische Tragzahl, radial |
| C 34,5 mm Abstand Schmierkanal |
| C r 580.000 N Dynamische Tragzahl, radial |
| C ur 155.000 N Ermüdungsgrenzbelastung, radial |
| D 260 mm Außendurchmesser |
| NNCL4938V Kurzzeichen DIN5412 |
| T max 120 °C Betriebstemperatur max. |
| T min -30 °C Betriebstemperatur min. |
| n G 1.410 1/min Grenzdrehzahl |
| n ϑr 860 1/min Bezugsdrehzahl |
| r a max 2 mm Maximaler Freistichradius |
| r min 2 mm Minimaler Kantenabstand |
| s 4 mm axialer Verschiebeweg |
| ≈m 10,636 kg Einzelgewicht |
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4.8 ★★★★★
Based on 97 reviews
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Product Reviews
★★★★★ 5
Blows Me Away!
It was time to clean out my business computers. Besides the general dust accumulation, dust builds up on the cooling fins of the CPU which can cause all kinds of computing issues. In the past I've used canned compressed air, which works well, but is getting expensive and doesn't last long. I spotted this on Amazon and, after watching the videos, decided to give it a try. I'm very glad I did! The Wolfbox works just as well, if not better, than the canned air! In fact, it blew out some dust bunnies the canned air had missed!
Canned air runs out quickly and loses power as the pressure decreases, leaving you with an empty can that needs to be recycled. The Wolfbox is rechargeable. After fully charging it I used it intermittently for about 15 minutes and it was still showing a full charge. This amount of use would translate into 2-3 cans of air.
So many things today are slapped together with little thought given to their design. The Wolfbox, however, seems to be well thought out and designed. The Wolfbox includes several different nozzles to direct and concentrate the air stream. To turn it on, just press and hold the small orange button on the back of the handle. There is a 4 led charge indicator on the side of the handle that lights up. Then, simply aim the Wolfbox and pull the trigger. It's just that simple! If you finish the job and forget to turn it off, it will turn itself off after a couple of minutes to save the battery charge. This charge indicator also works during the charging process, flashing while charging and solid when fully charged.
This was discounted to about $40, and that price helped me make the decision to try it. There apparently is a "New and Improved!" version now available at a higher price which promises more power. But this Wolfbox easily met my needs and exceeded my expectations. If you used cans of compressed air this will pay for itself in a reasonable amount of time and will not leave you with a bunch of empty cans to recycle.
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Reviewed in the United States on January 20, 2026
★★★★★ 5
A great engineering calculator
Color: Black
I am an electrical engineering professor. it is a struggle to find an inexpensive calculator to recommend to students that can handle complex matrices! There are other engineering calculators that I like much more than the 9750 (such as the hp-prime (my favorite) or the Casio fx-cg50) but this is the least expensive of the calculators I consider "engineering capable". I didn't mention the TI 84 because it handles complex math very poorly, and requires "Euler entry" of polar numbers. The TI-Nspire can do it all, but has way too many menu levels to get anything done.
The 9750 doesn't support CAS mode, and the graphing capabilities are tedious, slow, and poor resolution, but as an engineering calculator I rate it highly because of the complex math and matrix capabilities. I like the larger "graphing" screen for showing larger matrices (not for graphing).
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Reviewed in the United States on November 13, 2025
★★★★★ 5
Great value for money, calculus and linear algebra Calculator
Color: White
Great calculator for Linear Algebra. I’ve been using it for 5 months nearly everyday for hours on end and its battery is still holding up. It comes with a sleeve and made from light plastic that is durable. For a cheap calculator, it pulls its weight in matrices, polynomials, and even graphing. My only gripe with this calculator is the limited vector calculations that make it less than ideal for any sort of physics academics.
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Reviewed in the United States on November 25, 2025
★★★★★ 5
Recommended!
Color: Pink
This calculator model was recommended by the school for math classes, and my daughter has been using it for quite some time now. She's very happy with it and finds it reliable and easy to use. She especially loves that it comes in this color - it's a nice "girly" option that stands out from the usual standard designs.
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Reviewed in the United States on March 20, 2026
★★★★★ 4
Good and convenient.
Color: Black
A great calculator. Simple, has all necessary features, works well and quickly. Great for students and adults alike, works for a long time, responds quickly doesn’t lag. Havent needed to charge it yet- great battery life and screen, even has brightness and zoom options! Even spdurabke enough to hold up to all the times it’s been dropped😅 Overall, a great purchase.
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Reviewed in the United States on April 28, 2026