NTN
Kegelrollenlager 4T-67790/67720
Lager NTN 4T-67790/67720, Ø177.8×247.65×47.625 mm. Angebot anfordern — weltweiter Versand.
Typ Kegelrollenlager
Abmessungen
Ø 177,8 × 247,65 × 47,625 mm
d177,8Ø Bohrung (mm)
×
D247,65Ø außen (mm)
×
B47,625Breite (mm)
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Auf Lager
Technische Daten
| Brand | NTN |
| d - Internal diameter | 177,8 mm |
| D - External diameter | 247,65 mm |
| B - Bearing/Inner ring width | 47,625 mm |
| C - Outer ring width | 38,1 mm |
| T - Total width | 47,625 mm |
| d1 - External diameter inner ring | 214 mm |
| a - Charge load application point | 51,925 mm |
| Mass | 6,72 kg |
| C - Dynamic load | 380000000 mN |
| C0 - Static load | 690000000 mN |
| Cu - Fatigue limit load | 67200000 mN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.44 |
| Y0 - Static axial load coefficient | 0.75 |
| Y2 - Upper axial load coefficient | 1.36 |
| N lim - Oil lubrication limit speed | 10200 °/s |
| N lim - Grease lubrication limit speed | 7800 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da max - Max shoulder diameter IR | 188 mm |
| db min - Min IR shoulder diameter | 194 mm |
| Da max - Max shoulder diameter OR | 229 mm |
| Db min - Min OR shoulder diameter | 240 mm |
| ra max - Max fillet radius | 3,5 mm |
| r1a - Max fillet radius | 3,3 mm |
| Cone designation | 4T-67790 |
| Cup designation | 4T-67720 |
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NTN 4T-67790/67720