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K3984-3920
Tapered roller bearing
Tapered roller bearings K-Series, in inch sizes, separable, adjusted or in pairs
Replaces
K3984.3920, K3984.3920.F22
Main Dimensions & Performance Data
| d | 66,675 mm | Bore diameter |
| D | 112,712 mm | Outside diameter |
| B | 30,048 mm | Breite des Innenringes |
| C | 23,812 mm | Breite des Außenringes |
| T | 30,162 mm | Width, total |
| Cr | 119.000 N | Basic dynamic load rating, radial |
| C0r | 176.000 N | Basic static load rating, radial |
| Cur | 22.400 N | Ermüdungsgrenzbelastung, radial |
| nG | 6.300 1/min | Grenzdrehzahl |
| nϑr | 4.300 1/min | Thermische Bezugsdrehzahl |
| ≈m | 1,2 kg | Weight |
Mounting dimensions
| da max | 74 mm | Maximaler Durchmesser der Wellenschulter |
| db min | 80 mm | Minimaler Durchmesser der Wellenschulter |
| Da min | 99 mm | Minimaler Durchmesser der Gehäuseschulter |
| Db min | 106 mm | Minimaler Durchmesser der Gehäuseschulter |
| Ca min | 4 mm | Minimaler axialer Freiraum |
| Cb min | 6 mm | Minimaler axialer Freiraum |
| ra max | 3,6 mm | Maximaler Hohlkehlradius an der Welle |
| rb max | 3,3 mm | Maximaler Hohlkehlradius am Gehäuse |
Dimensions
| r1, 2 min | 3,6 mm | Minimaler Kantenabstand an der breiten Stirnseite des Innenringes |
| r3, 4 min | 3,3 mm | Minimaler Kantenabstand an der breiten Stirnseite des Außenringes |
| a | 26 mm | Abstand Druckkegelspitze |
| d1 | 89 mm | Führungsborddurchmesser des Innenringes |
Temperature range
| Tmin | -30 °C | Betriebstemperatur min. |
| Tmax | 120 °C | Betriebstemperatur max. |
Calculation factors
| e | 0,4 | Grenzwert für Fa/Fr für die Anwendbarkeit der versch. Werte der Faktoren X und Y |
| Y | 1,49 | Dynamischer Axiallastfaktor |
| Y0 | 0,82 | Statischer Axiallastfaktor |
Your current product variant
| Tolerance class | ABMA4 | Class 4 (ANSI/ABMA 19.2:2013) |
| Heat treatment | Standard | |
| Cage | Standard | Sheet steel cage, window cage, roller-guided |
| Quality level | Standard | |
| Number of rolling element rows | 1 | Single-row design |
Characteristics
Operating conditions for bearing K3984-3920
In work for K3984-3920
CO₂e caused by friction during operation
Comprehensive information with immediate calculations of the CO2e emissions of our rotative products in various application scenarios.
Load
*MandatoryMotion Influences
*Mandatory Preset calculation parameters
Arcanol MULTI2
Greasenormal cleanliness
Contamination70°C
Operating Temperature20°C
Ambient Temperature Choose your calculations
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CO₂e emissions
For Production info_outline
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Rating life
Total Rating Life (Lh10)
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Static safety (S0)
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All
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