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Needle roller bearing, machined-ring, with inner ring

NA4905LL/3AS - NTN

NA4905LL/3AS

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter25 mm
D - External diameter42 mm
B - Bearing/Inner ring width18 mm
C - Width of bearing, drawn cup or outer ring17 mm
F - Under roller diameter30 mm
rs - Min fillet radius0,3 mm
Lubrication hole on outer ringOui/Yes
k - Hole diameter3 mm
Lubrication hole on inner ringOui/Yes
Radial clearance classCN
Precision classP0
Mass0,093 kg
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PRODUCT PERFORMANCE
Cr - Dynamic load rating16 kN
C0r - Static load rating22,6 kN
N lim - Grease lubrication limit speed6500 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature100 °C
ABUTMENT
da min - Min shoulder diameter IR27 mm
Da max - Max shoulder diameter OR33 mm
Db max - Max OR shoulder diameter40 mm
ras max - Max shaft & housing fillet radius0,3 mm