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Needle roller bearing, machined-ring, without inner ring

MR122016 - NTN

MR122016

Needle roller bearing, machined-ring, without inner ring, double-side ribs, lubrication hole, inch dimensions

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
Fw - Under rollers diameter19,05 mm
D - External diameter31,75 mm
C - Width of bearing, drawn cup or outer ring25,4 mm
rs - Min fillet radius1 mm
Lubrication hole on outer ringOui/Yes
k - Hole diameter2,5 mm
Radial clearance classCN
Precision classP0
Mass0,073 kg
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PRODUCT PERFORMANCE
Cr - Dynamic load rating25 kN
C0r - Static load rating29,1 kN
N lim - Grease lubrication limit speed14000 tr/min
N lim - Oil lubrication limit speed21000 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
ABUTMENT
Da max - Max shoulder diameter OR26,5 mm
ras max - Max shaft & housing fillet radius1 mm