NTN

Cuscinetti a rulli cilindrici NF311

Cuscinetto NTN NF311, Ø55×120×29 mm. Richiedi offerta — spedizione in tutto il mondo.

Codice: NF311
Tipo Cuscinetti a rulli cilindrici
Dimensioni Ø 55 × 120 × 29 mm
d55Ø foro (mm)
×
D120Ø esterno (mm)
×
B29Larghezza (mm)
Tutti i cuscinetti 55×120×29 mm Confronta tutte le marche con questa misura
Richiesta offerta
Disponibile

Specifiche tecniche

BrandNTN
d - Internal diameter55 mm
D - External diameter120 mm
B - Bearing/Inner ring width29 mm
E - Upper roller diameter106,5 mm
F - Under roller diameter70,5 mm
d1 - IR flange outer diameter77,2 mm
rNs - Min fillet radius2 mm
rs - Min fillet radius2 mm
Radial clearance classCN
C - Dynamic load123000000 mN
C0 - Static load111000000 mN
Cu - Fatigue limit load13600000 mN
N lim - Oil lubrication limit speed45600 °/s
N lim - Grease lubrication limit speed31800 °/s
Tmin - Min operating temperature233,15 °K
Tmax - Max operating temperature393,15 °K
da min - Min shoulder diameter IR64 mm
dc min - Min inner ring GO diameter72 mm
Da max - Max shoulder diameter OR111 mm
Db min - Small face shoulder min diameter108,5 mm
ra max - Max fillet radius2 mm
r1a - Max fillet radius2 mm
NTN NF311