NTN

Cuscinetti a rulli conici 4T-02872/02820

Cuscinetto NTN 4T-02872/02820, Ø28.575×73.025×22.225 mm. Richiedi offerta — spedizione in tutto il mondo.

Codice: 4T-02872/02820
Tipo Cuscinetti a rulli conici
Dimensioni Ø 28,575 × 73,025 × 22,225 mm
d28,575Ø foro (mm)
×
D73,025Ø esterno (mm)
×
B22,225Larghezza (mm)
Tutti i cuscinetti 28,575×73,025×22,225 mm Confronta tutte le marche con questa misura
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Specifiche tecniche

BrandNTN
d - Internal diameter28,575 mm
D - External diameter73,025 mm
B - Bearing/Inner ring width22,225 mm
C - Outer ring width17,462 mm
T - Total width22,225 mm
d1 - External diameter inner ring54,2 mm
a - Charge load application point18,325 mm
Mass0,481 kg
C - Dynamic load62500000 mN
C0 - Static load68000000 mN
Cu - Fatigue limit load8300000 mN
A2 - Rating life coefficient1
e - Coefficient0.45
Y0 - Static axial load coefficient0.73
Y2 - Upper axial load coefficient1.32
N lim - Oil lubrication limit speed42000 °/s
N lim - Grease lubrication limit speed31800 °/s
Tmin - Min operating temperature233,15 °K
Tmax - Max operating temperature393,15 °K
da max - Max shoulder diameter IR37 mm
db min - Min IR shoulder diameter37,5 mm
Da max - Max shoulder diameter OR62 mm
Db min - Min OR shoulder diameter68 mm
ra max - Max fillet radius0,8 mm
r1a - Max fillet radius3,3 mm
Cone designation4T-02872
Cup designation4T-02820
NTN 4T-02872/02820