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

RNA0-70X90X60ZW - NTN

RNA0-70X90X60ZW

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
Fw - Under rollers diameter70 mm
D - External diameter90 mm
C - Width of bearing, drawn cup or outer ring60 mm
E - Upper roller diameter78 mm
rs - Min fillet radius1 mm
Lubrication hole on outer ringOui/Yes
k - Hole diameter3,5 mm
Radial clearance classCN
Precision classP0
Mass1 kg
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PRODUCT PERFORMANCE
Cr - Dynamic load rating112 kN
C0r - Static load rating297 kN
N lim - Grease lubrication limit speed3800 tr/min
N lim - Oil lubrication limit speed5500 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
ABUTMENT
db - Shoulder diameter IR71 mm
Da max - Max shoulder diameter OR85 mm
Db - OR smooth shaft shoulder diameter77,2 mm
ras max - Max shaft & housing fillet radius1 mm