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

RNA0-50X65X40ZW - NTN

RNA0-50X65X40ZW

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
Fw - Under rollers diameter50 mm
D - External diameter65 mm
C - Width of bearing, drawn cup or outer ring40 mm
E - Upper roller diameter58 mm
rs - Min fillet radius0,6 mm
Lubrication hole on outer ringOui/Yes
k - Hole diameter3 mm
Radial clearance classCN
Precision classP0
Mass0,355 kg
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PRODUCT PERFORMANCE
Cr - Dynamic load rating66,5 kN
C0r - Static load rating135 kN
N lim - Grease lubrication limit speed5500 tr/min
N lim - Oil lubrication limit speed8000 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
ABUTMENT
db - Shoulder diameter IR57,2 mm
Da max - Max shoulder diameter OR61 mm
Db - OR smooth shaft shoulder diameter50,6 mm
ras max - Max shaft & housing fillet radius0,6 mm