NTN
Kegelrollenlager 4T-78225/78551
Lager NTN 4T-78225/78551, Ø57.15×140.03×33.236 mm. Angebot anfordern — weltweiter Versand.
Typ Kegelrollenlager
Abmessungen
Ø 57,15 × 140,03 × 33,236 mm
d57,15Ø Bohrung (mm)
×
D140,03Ø außen (mm)
×
B33,236Breite (mm)
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Auf Lager
Technische Daten
| Brand | NTN |
| d - Internal diameter | 57,15 mm |
| D - External diameter | 140,03 mm |
| B - Bearing/Inner ring width | 33,236 mm |
| C - Outer ring width | 23,52 mm |
| T - Total width | 36,512 mm |
| d1 - External diameter inner ring | 103,5 mm |
| a - Charge load application point | 45,012 mm |
| Mass | 2,69 kg |
| C - Dynamic load | 190000000 mN |
| C0 - Static load | 212000000 mN |
| Cu - Fatigue limit load | 25900000 mN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.87 |
| Y0 - Static axial load coefficient | 0.38 |
| Y2 - Upper axial load coefficient | 0.69 |
| N lim - Oil lubrication limit speed | 20400 °/s |
| N lim - Grease lubrication limit speed | 15600 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da max - Max shoulder diameter IR | 77 mm |
| db min - Min IR shoulder diameter | 83 mm |
| Da max - Max shoulder diameter OR | 117 mm |
| Db min - Min OR shoulder diameter | 132 mm |
| ra max - Max fillet radius | 3,5 mm |
| r1a - Max fillet radius | 2,3 mm |
| Cone designation | 4T-78225 |
| Cup designation | 4T-78551 |
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NTN 4T-78225/78551