NTN
Cuscinetti a rulli conici 4T-3490/3420
Cuscinetto NTN 4T-3490/3420, Ø38.1×79.375×29.771 mm. Richiedi offerta — spedizione in tutto il mondo.
Tipo Cuscinetti a rulli conici
Dimensioni
Ø 38,1 × 79,375 × 29,771 mm
d38,1Ø foro (mm)
×
D79,375Ø esterno (mm)
×
B29,771Larghezza (mm)
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Disponibile
Specifiche tecniche
| Brand | NTN |
| d - Internal diameter | 38,1 mm |
| D - External diameter | 79,375 mm |
| B - Bearing/Inner ring width | 29,771 mm |
| C - Outer ring width | 23,812 mm |
| T - Total width | 29,37 mm |
| d1 - External diameter inner ring | 57,5 mm |
| a - Charge load application point | 20,67 mm |
| Mass | 0,688 kg |
| C - Dynamic load | 103000000 mN |
| C0 - Static load | 114000000 mN |
| Cu - Fatigue limit load | 13900000 mN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.37 |
| Y0 - Static axial load coefficient | 0.9 |
| Y2 - Upper axial load coefficient | 1.64 |
| N lim - Oil lubrication limit speed | 39600 °/s |
| N lim - Grease lubrication limit speed | 29400 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da max - Max shoulder diameter IR | 45,5 mm |
| db min - Min IR shoulder diameter | 52 mm |
| Da max - Max shoulder diameter OR | 67 mm |
| Db min - Min OR shoulder diameter | 74 mm |
| ra max - Max fillet radius | 3,5 mm |
| r1a - Max fillet radius | 3,3 mm |
| Cone designation | 4T-3490 |
| Cup designation | 4T-3420 |
NTN 4T-3490/3420