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Needle roller bearing, machined-ring, without inner ring

8Q-NK40X55X30 - NTN

8Q-NK40X55X30

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
Fw - Under rollers diameter40 mm
D - External diameter55 mm
C - Width of bearing, drawn cup or outer ring30 mm
rs - Min fillet radius1 mm
Lubrication hole on outer ringOui/Yes
k - Hole diameter3 mm
Radial clearance classCN
Precision classP0
Mass0,194 kg
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PRODUCT PERFORMANCE
Cr - Dynamic load rating49 kN
C0r - Static load rating79 kN
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
ABUTMENT
Da max - Max shoulder diameter OR50 mm
ras max - Max shaft & housing fillet radius1 mm