NTN

Roulements à aiguilles NA4908R

Roulement NTN NA4908R. Demandez un devis — expédition dans le monde entier.

Code: NA4908R
Type Roulements à aiguilles
Dimensions Ø 40 × 62 × 0 mm
d40Ø alésage (mm)
×
D62Ø extérieur (mm)
×
B0Largeur (mm)
Demande de devis
En stock

Spécifications techniques

BrandNTN
d - Internal diameter40 mm
D - External diameter62 mm
C - Width of bearing, drawn cup or outer ring22 mm
F - Under roller diameter48 mm
rs - Min fillet radius0,6 mm
s - Max axial offset1 mm
Lubrication hole on outer ringOui/Yes
k - Hole diameter2,5 mm
Lubrication hole on inner ringNon/No
Radial clearance classCN
Precision classP0
Mass0,232 kg
Cr - Dynamic load rating43500000 mN
C0r - Static load rating66500000 mN
N lim - Grease lubrication limit speed33000 °/s
N lim - Oil lubrication limit speed51000 °/s
Tmin - Min operating temperature253,15 °K
Tmax - Max operating temperature393,15 °K
da min - Min shoulder diameter IR44 mm
Da max - Max shoulder diameter OR58 mm
ras max - Max shaft & housing fillet radius0,6 mm
NTN NA4908R