NTN

Cuscinetti a rulli cilindrici NJ228

Cuscinetto NTN NJ228, Ø140×250×42 mm. Richiedi offerta — spedizione in tutto il mondo.

Codice: NJ228
Tipo Cuscinetti a rulli cilindrici
Dimensioni Ø 140 × 250 × 42 mm
d140Ø foro (mm)
×
D250Ø esterno (mm)
×
B42Larghezza (mm)
Tutti i cuscinetti 140×250×42 mm Confronta tutte le marche con questa misura
Richiesta offerta
Disponibile

Specifiche tecniche

BrandNTN
d - Internal diameter140 mm
D - External diameter250 mm
B - Bearing/Inner ring width42 mm
E - Upper roller diameter221 mm
F - Under roller diameter169 mm
d1 - IR flange outer diameter179,5 mm
rs - Min fillet radius3 mm
r1s - Min fillet radius3 mm
Radial clearance classCN
Mass8,39 kg
C - Dynamic load345000000 mN
C0 - Static load400000000 mN
Cu - Fatigue limit load39500000 mN
N lim - Oil lubrication limit speed18600 °/s
N lim - Grease lubrication limit speed16200 °/s
Tmin - Min operating temperature233,15 °K
Tmax - Max operating temperature393,15 °K
da min - Min shoulder diameter IR153 mm
da max - Small face shoulder max diameter166 mm
dc min - Min inner ring GO diameter182 mm
Da max - Max shoulder diameter OR237 mm
ra max - Max fillet radius2,5 mm
NTN NJ228