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Needle roller bearing, machined-ring, without inner ring

RNA6908R - NTN

RNA6908R

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
Fw - Under rollers diameter48 mm
D - External diameter62 mm
C - Width of bearing, drawn cup or outer ring40 mm
rs - Min fillet radius0,6 mm
Lubrication hole on outer ringOui/Yes
k - Hole diameter3 mm
Radial clearance classCN
Precision classP0
Mass0,256 kg
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PRODUCT PERFORMANCE
Cr - Dynamic load rating67 kN
C0r - Static load rating116 kN
N lim - Grease lubrication limit speed5500 tr/min
N lim - Oil lubrication limit speed8500 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
ABUTMENT
Da max - Max shoulder diameter OR58 mm
ras max - Max shaft & housing fillet radius0,6 mm