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Needle roller and cage assemblies

K70X78X30 - NTN

K70X78X30

Needle roller bearing, cage assembly, steel cage

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
Fw - Under rollers diameter70 mm
Ew - Upper rollers diameter78 mm
Bc - Cage Width30 mm
Mass0,136 kg
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PRODUCT PERFORMANCE
Cr - Dynamic load rating65,5 kN
C0r - Static load rating149 kN
N lim - Grease lubrication limit speed3700 tr/min
N lim - Oil lubrication limit speed5500 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
ABUTMENT
b - Raceway width30 mm