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Needle roller bearing, machined-ring, with inner ring

NA4836 - NTN

NA4836

Needle roller bearing, machined-rings, with inner ring, double-side ribs

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter180 mm
D - External diameter225 mm
C - Width of bearing, drawn cup or outer ring45 mm
F - Under roller diameter195 mm
rs - Min fillet radius1,1 mm
s - Max axial offset1,5 mm
Lubrication hole on outer ringOui/Yes
k - Hole diameter3,5 mm
Lubrication hole on inner ringNon/No
Radial clearance classCN
Precision classP0
Mass4,19 kg
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PRODUCT PERFORMANCE
Cr - Dynamic load rating195 kN
C0r - Static load rating540 kN
N lim - Grease lubrication limit speed1400 tr/min
N lim - Oil lubrication limit speed2100 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR186,5 mm
Da max - Max shoulder diameter OR218,5 mm
ras max - Max shaft & housing fillet radius1 mm