NTN

Cuscinetti a rullini RNA4938

Cuscinetto NTN RNA4938, Ø45×260×20 mm. Richiedi offerta — spedizione in tutto il mondo.

Codice: RNA4938
Tipo Cuscinetti a rullini
Dimensioni Ø 45 × 260 × 20 mm
d45Ø foro (mm)
×
D260Ø esterno (mm)
×
B20Larghezza (mm)
Tutti i cuscinetti 45×260×20 mm Confronta tutte le marche con questa misura
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Disponibile

Specifiche tecniche

BrandNTN
Fw - Under rollers diameter215 mm
D - External diameter260 mm
C - Width of bearing, drawn cup or outer ring69 mm
rs - Min fillet radius2 mm
Lubrication hole on outer ringOui/Yes
k - Hole diameter4 mm
Radial clearance classCN
Precision classP0
Mass4,53 kg
Cr - Dynamic load rating390000000 mN
C0r - Static load rating945000000 mN
N lim - Grease lubrication limit speed7800 °/s
N lim - Oil lubrication limit speed11400 °/s
Tmin - Min operating temperature253,15 °K
Tmax - Max operating temperature393,15 °K
Da max - Max shoulder diameter OR251 mm
ras max - Max shaft & housing fillet radius2 mm
NTN RNA4938