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NK12/12+1R9X12X12 - NTN

NK12/12+1R9X12X12

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

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter9 mm
D - External diameter19 mm
C - Width of bearing, drawn cup or outer ring12 mm
F - Under roller diameter12 mm
rs - Min fillet radius0,3 mm
s - Max axial offset1,5 mm
Lubrication hole on outer ringNon/No
Inner ring reference1R9X12X12
Lubrication hole on inner ringNon/No
Radial clearance classCN
Precision classP0
Mass0,018 kg
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PRODUCT PERFORMANCE
Cr - Dynamic load rating5 kN
C0r - Static load rating6,1 kN
N lim - Grease lubrication limit speed17000 tr/min
N lim - Oil lubrication limit speed26000 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR11 mm
Da max - Max shoulder diameter OR13,5 mm
ras max - Max shaft & housing fillet radius0,3 mm