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Description
NNU4921-S-K-M-SP FAGTechnische Basisdaten Hersteller: FAG Abdichtung: beidseitig Synonym: 0192328100000 Gewicht: 1870 Gramm Herstellungsland: Deutschland Schmiernutueres Breitenma: 6,5 mm Zolltarifnummer: 8482 5000 Erweiterte technische Daten ueres Breitenmae: mm 145,00 ueres Breitenmae: mm 40,00 ueres Breitenmae: mm 40,00 ECLASS number 23 05 09 01 ECLASS2 number 23 05 09 01 Einzelgewicht in (kg): 1. 87 Ermdungsgrenzbelastung, radial (C ur) "34500. 0000" Innenmae: mm
Technische Basisdaten
| Hersteller: FAG |
| Abdichtung: beidseitig |
| Synonym: 0192328100000 |
| Gewicht: 1870 Gramm |
| Herstellungsland: Deutschland |
| SchmiernutÄußeres Breitenmaß: 6,5 mm |
| Zolltarifnummer: 8482 5000 |
Erweiterte technische Daten
| Äußeres Breitenmaße: mm 145,00 |
| Äußeres Breitenmaße: mm 40,00 |
| Äußeres Breitenmaße: mm 40,00 |
| ECLASS number 23-05-09-01 |
| ECLASS2 number 23-05-09-01 |
| Einzelgewicht in (kg): 1.87 |
| Ermüdungsgrenzbelastung, radial (C ur) "34500.0000" |
| Innenmaße: mm 105,00 |
| Interne Radialluft Cn Normale Innenluft |
| M Solid Brass Cage, Roller Guided |
| Präzision SP - Precision Higher than P4S |
| Radial Dynamic Load Rating Cr (N) 130000 |
| Radial Static Load Rating C0r (N) 260000 |
| S Lubrication Groove And Three Holes In Bearing Outer Ring |
| SP Special Precision Class For Machine Tool Bearings: Dimensional Accuracy Approximately To P5, Running Accuracy Approximately To P4 |
| Anlagedurchmesser Wellenschulter Toleranz: h12 |
| Betriebstemperatur max.: 150 °C |
| Betriebstemperatur min.: -30 °C |
| C 0r 260.000 N Statische Tragzahl, radial |
| C r 130.000 N Dynamische Tragzahl, radial |
| C ur 34.500 N Ermüdungsgrenzbelastung, radial |
| Durchmesser Schmierkanal: 3,2 mm |
| Dynamische Tragzahl, radial: 130.000 N |
| Ermüdungsgrenzbelastung, radial: 34.500 N |
| Maximaler Freistichradius: 1 mm |
| Minimaler Kantenabstand: 1,1 mm |
| Statische Tragzahl, radial: 260.000 N |
| T max 150 °C Betriebstemperatur max. |
| T min -30 °C Betriebstemperatur min. |
| axialer Verschiebeweg: 2 mm |
| d =s 3,2 mm Durchmesser Schmierkanal |
| h12 Anlagedurchmesser Wellenschulter Toleranz |
| n s 6,5 mm SchmiernutÄußeres Breitenmaße: |
| r 1 min 1,1 mm Minimaler Kantenabstand |
| r a1 max 1 mm Maximaler Freistichradius |
| s 2 mm axialer Verschiebeweg |
| ≈m 1,95 kg Einzelgewicht |
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4.5 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 1
Poor quality control - maybe outlet store leftovers
Size: 11.5, Color: Burgundy Polished Full Grain
The two shoes were not the same size. They were both labeled 11 1/2 but one shoe was larger than the other and the fit was poor. I returned the first pair and ordered a replacement. This time the shoes were close to the same size but too loose and the left one has sewing issues. I've bought Johnston & Murphy for years because of the quality. These were to replace an existing pair of burgundy penny loafers that have finally worn out (even after several heal/sole replacements). That is the expected quality. I suspect Nashville Shoe Warehouse may be handling shoes that didn't measure up for the quality; more like an outlet mall than getting the J&M quality I've come to expect.
Update: went to Johnston & Murphy site to buy "direct" from the manufacturer. There were several recent reviews where the shoes were long and didn't fit properly. Genesco - please step up the manufacture / crafting of these classic shoes to the level of quality they used to have.
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Reviewed in the United States on July 21, 2025
★★★★★ 5
Really nice shoes
Size: 9, Color: Black Polished Full Grain
My husband enjoys wearing these shoes. Very classy looking. They fit well. They arrived quickly. He liked them so much he ordered another pair in a different color which have worked out just as well.
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Reviewed in the United States on February 3, 2026
★★★★★ 3
Way too narrow
Size: 9.5 Wide, Color: Burgundy Polished Full Grain
I ordered a wide in this shoe, but it was still way too narrow. I had to return them. Otherwise, it looked like a nice quality shoe.
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Reviewed in the United States on February 12, 2026
★★★★★ 5
I usually wear 11.5's, but I buy 1/2 size smaller to accommodate for stretch. Leather relaxes.
Size: 11, Color: Burgundy Polished Full Grain
5 STARS: These shoes are awesome. I keep coming back for more. I have major foot problems, have tried all kinds of shoes, orthotics, and inserts... but believe it or not, these shoes work better than any of that stuff. I wear them daily. I buy lots of them, for home, for church, and I'm getting my first pair of J&M boots today, for winters in Indiana... Brrrr
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Reviewed in the United States on December 18, 2025
★★★★★ 5
Excellent value
Size: 13, Color: Brown
These boat shoes are great, they fit a 13W comfortably, for the the price my expectations were not high, but I was wrong, they look good and the soles are real rubber they fit well, I would definitely recommend these, very comfortable.
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Reviewed in the United States on April 20, 2026