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Needle roller bearing, machined-ring, without inner ring

NK8/12T2 - NTN

NK8/12T2

Needle roller bearing, machined-ring, without inner ring, double-side ribs

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
Fw - Under rollers diameter8 mm
D - External diameter15 mm
C - Width of bearing, drawn cup or outer ring12 mm
rs - Min fillet radius0,3 mm
Lubrication hole on outer ringOui/Yes
k - Hole diameter2 mm
Radial clearance classCN
Precision classP0
Mass0,009 kg
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PRODUCT PERFORMANCE
Cr - Dynamic load rating4 kN
C0r - Static load rating4,1 kN
N lim - Grease lubrication limit speed21000 tr/min
N lim - Oil lubrication limit speed32000 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature100 °C
ABUTMENT
Da max - Max shoulder diameter OR9,5 mm
ras max - Max shaft & housing fillet radius0,3 mm