NTN
Kegelrollenlager 4T-2788/2720
Lager NTN 4T-2788/2720, Ø38.1×76.2×25.654 mm. Angebot anfordern — weltweiter Versand.
Typ Kegelrollenlager
Abmessungen
Ø 38,1 × 76,2 × 25,654 mm
d38,1Ø Bohrung (mm)
×
D76,2Ø außen (mm)
×
B25,654Breite (mm)
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Auf Lager
Technische Daten
| Brand | NTN |
| d - Internal diameter | 38,1 mm |
| D - External diameter | 76,2 mm |
| B - Bearing/Inner ring width | 25,654 mm |
| C - Outer ring width | 19,05 mm |
| T - Total width | 23,812 mm |
| d1 - External diameter inner ring | 55 mm |
| a - Charge load application point | 16,012 mm |
| Mass | 0,494 kg |
| C - Dynamic load | 81000000 mN |
| C0 - Static load | 90500000 mN |
| Cu - Fatigue limit load | 11000000 mN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.3 |
| Y0 - Static axial load coefficient | 1.09 |
| Y2 - Upper axial load coefficient | 1.98 |
| N lim - Oil lubrication limit speed | 40800 °/s |
| N lim - Grease lubrication limit speed | 30600 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da max - Max shoulder diameter IR | 43,5 mm |
| db min - Min IR shoulder diameter | 50 mm |
| Da max - Max shoulder diameter OR | 66 mm |
| Db min - Min OR shoulder diameter | 70 mm |
| ra max - Max fillet radius | 3,5 mm |
| r1a - Max fillet radius | 3,3 mm |
| Cone designation | 4T-2788 |
| Cup designation | 4T-2720 |
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NTN 4T-2788/2720