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

RNA0-60X78X20 - NTN

RNA0-60X78X20

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
Fw - Under rollers diameter60 mm
D - External diameter78 mm
C - Width of bearing, drawn cup or outer ring20 mm
E - Upper roller diameter68 mm
rs - Min fillet radius1 mm
Lubrication hole on outer ringNon/No
Radial clearance classCN
Precision classP0
Mass0,255 kg
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PRODUCT PERFORMANCE
Cr - Dynamic load rating40 kN
C0r - Static load rating75 kN
N lim - Grease lubrication limit speed4400 tr/min
N lim - Oil lubrication limit speed6500 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
ABUTMENT
db - Shoulder diameter IR67,2 mm
Da max - Max shoulder diameter OR73 mm
Db - OR smooth shaft shoulder diameter60,8 mm
ras max - Max shaft & housing fillet radius1 mm