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NA59/22 - NTN

NA59/22

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

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter22 mm
D - External diameter39 mm
C - Width of bearing, drawn cup or outer ring23 mm
F - Under roller diameter28 mm
rs - Min fillet radius0,3 mm
s - Max axial offset0,8 mm
Lubrication hole on outer ringOui/Yes
k - Hole diameter2,5 mm
Lubrication hole on inner ringNon/No
Radial clearance classCN
Precision classP0
Mass0,134 kg
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PRODUCT PERFORMANCE
Cr - Dynamic load rating26,4 kN
C0r - Static load rating37,5 kN
N lim - Grease lubrication limit speed9500 tr/min
N lim - Oil lubrication limit speed14000 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR24 mm
Da max - Max shoulder diameter OR37 mm
ras max - Max shaft & housing fillet radius0,3 mm