NTN
Kegelrollenlager 4T-12580/12520
Lager NTN 4T-12580/12520, Ø20.638×49.225×19.845 mm. Angebot anfordern — weltweiter Versand.
Typ Kegelrollenlager
Abmessungen
Ø 20,638 × 49,225 × 19,845 mm
d20,638Ø Bohrung (mm)
×
D49,225Ø außen (mm)
×
B19,845Breite (mm)
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Auf Lager
Technische Daten
| Brand | NTN |
| d - Internal diameter | 20,638 mm |
| D - External diameter | 49,225 mm |
| B - Bearing/Inner ring width | 19,845 mm |
| C - Outer ring width | 15,875 mm |
| T - Total width | 19,845 mm |
| d1 - External diameter inner ring | 34,3 mm |
| a - Charge load application point | 12,745 mm |
| Mass | 0,183 kg |
| C - Dynamic load | 41500000 mN |
| C0 - Static load | 39000000 mN |
| Cu - Fatigue limit load | 4750000 mN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.32 |
| Y0 - Static axial load coefficient | 1.02 |
| Y2 - Upper axial load coefficient | 1.86 |
| N lim - Oil lubrication limit speed | 66000 °/s |
| N lim - Grease lubrication limit speed | 49200 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da max - Max shoulder diameter IR | 26 mm |
| db min - Min IR shoulder diameter | 28,5 mm |
| Da max - Max shoulder diameter OR | 42,5 mm |
| Db min - Min OR shoulder diameter | 45,5 mm |
| ra max - Max fillet radius | 1,5 mm |
| r1a - Max fillet radius | 1,5 mm |
| Cone designation | 4T-12580 |
| Cup designation | 4T-12520 |
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NTN 4T-12580/12520