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NA4902R - NTN

NA4902R

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

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter15 mm
D - External diameter28 mm
C - Width of bearing, drawn cup or outer ring13 mm
F - Under roller diameter20 mm
rs - Min fillet radius0,3 mm
s - Max axial offset0,5 mm
Lubrication hole on outer ringOui/Yes
k - Hole diameter2 mm
Lubrication hole on inner ringNon/No
Radial clearance classCN
Precision classP0
Mass0,036 kg
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PRODUCT PERFORMANCE
Cr - Dynamic load rating10,3 kN
C0r - Static load rating12,8 kN
N lim - Grease lubrication limit speed13000 tr/min
N lim - Oil lubrication limit speed20000 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR17 mm
Da max - Max shoulder diameter OR26 mm
ras max - Max shaft & housing fillet radius0,3 mm