HL-4A-8E-NK38X52X31

HL-4A-8E-NK38X52X31

Needle roller bearing, machined-ring, without inner ring

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Technical data HL-4A-8E-NK38X52X31

Product definition
Fw 38 mm
D 52 mm
C 31 mm
rs min 0.3 mm
Dw 5 mm
Lw 25.8 mm
Lubrication hole on outer ring No
Lubrication hole on inner ring No
Radial clearance class CN
Precision class P0
Mass 0.18 kg
Brand NTN
Product performance
C0r 84.5 kN
Nlim (grease) 0 rpm
Min operating temperature, Tmin -20 °C
Max operating temperature, Tmax 120 °C
Characteristic cage frequency, FTF 0.44 Hz
Characteristic rolling element frequency, BSF 8.48 Hz
Characteristic outer ring frequency, BPF0 7.95 Hz
Characteristic inner ring frequency, BPFI 10.05 Hz
Abutment dimensions
Da max 50 mm
ras max 0.3 mm
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