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Needle roller bearing, machined-ring, separable, without inner ring

RNA0-40X55X20 - NTN

RNA0-40X55X20

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
Fw - Under rollers diameter40 mm
D - External diameter55 mm
C - Width of bearing, drawn cup or outer ring20 mm
E - Upper roller diameter47 mm
rs - Min fillet radius0,3 mm
Lubrication hole on outer ringNon/No
Radial clearance classCN
Precision classP0
Mass0,145 kg
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PRODUCT PERFORMANCE
Cr - Dynamic load rating31 kN
C0r - Static load rating51,5 kN
N lim - Grease lubrication limit speed6500 tr/min
N lim - Oil lubrication limit speed10000 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
ABUTMENT
db - Shoulder diameter IR46,2 mm
Da max - Max shoulder diameter OR53 mm
Db - OR smooth shaft shoulder diameter40,6 mm
ras max - Max shaft & housing fillet radius0,3 mm