NTN

Cuscinetti a rullini NA4844

Cuscinetto NTN NA4844, Ø220×270×50 mm. Richiedi offerta — spedizione in tutto il mondo.

Codice: NA4844
Tipo Cuscinetti a rullini
Dimensioni Ø 220 × 270 × 50 mm
d220Ø foro (mm)
×
D270Ø esterno (mm)
×
B50Larghezza (mm)
Tutti i cuscinetti 220×270×50 mm Confronta tutte le marche con questa misura
Richiesta offerta
Disponibile

Specifiche tecniche

BrandNTN
d - Internal diameter220 mm
D - External diameter270 mm
C - Width of bearing, drawn cup or outer ring50 mm
F - Under roller diameter240 mm
rs - Min fillet radius1,5 mm
s - Max axial offset1,5 mm
Lubrication hole on outer ringOui/Yes
k - Hole diameter4 mm
Lubrication hole on inner ringNon/No
Radial clearance classCN
Precision classP0
Mass6,37 kg
Cr - Dynamic load rating244000000 mN
C0r - Static load rating780000000 mN
N lim - Grease lubrication limit speed6600 °/s
N lim - Oil lubrication limit speed10200 °/s
Tmin - Min operating temperature253,15 °K
Tmax - Max operating temperature393,15 °K
da min - Min shoulder diameter IR228 mm
Da max - Max shoulder diameter OR262 mm
ras max - Max shaft & housing fillet radius1,5 mm
NTN NA4844