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Needle roller bearing, machined-ring, without inner ring

MR445628 - NTN

MR445628

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
Fw - Under rollers diameter69,85 mm
D - External diameter88,9 mm
C - Width of bearing, drawn cup or outer ring44,45 mm
rs - Min fillet radius2 mm
Lubrication hole on outer ringOui/Yes
k - Hole diameter3,5 mm
Radial clearance classCN
Precision classP0
Mass0,58 kg
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PRODUCT PERFORMANCE
Cr - Dynamic load rating107 kN
C0r - Static load rating209 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
Da max - Max shoulder diameter OR81 mm
ras max - Max shaft & housing fillet radius2 mm