MR445628

MR445628

Needle roller bearing, machined-ring, without inner ring

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Technical data MR445628

Product definition
Fw 69.85 mm
D 88.9 mm
C 44.45 mm
rs min 2 mm
Dw 6 mm
Lw 36 mm
Lubrication hole on outer ring Yes
k 3.5 mm
Radial clearance class CN
Precision class P0
Mass 0.58 kg
Brand NTN
Product performance
C0r 209 kN
Nlim (grease) 3,700 rpm
Nlim (oil) 5,500 rpm
Min operating temperature, Tmin -20 °C
Max operating temperature, Tmax 120 °C
Characteristic cage frequency, FTF 0.46 Hz
Characteristic rolling element frequency, BSF 12.56 Hz
Characteristic outer ring frequency, BPF0 11.51 Hz
Characteristic inner ring frequency, BPFI 13.49 Hz
Abutment dimensions
Da max 81 mm
ras max 2 mm
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