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HMK1220 - NTN

HMK1220

Needle roller bearing, drawn cup, open end, heavy load

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Technical datasheet

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Specs

PRODUCT DIMENSIONS

Under rollers diameter (Fw) 12 mm
External diameter D 19 mm
Width of bearing, drawn cup or outer ring (C) 20 mm
Lubrication hole on outer ring No
Inner ring reference No
Mass 0,018 kg
Brand NTN
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PRODUCT PERFORMANCE

Dynamic load rating (Cr) 12,3 kN
Static load rating (C0r) 14 kN
Nlim (grease) 13000 tr/min
Nlim (oil) 20000 tr/min
Min operating temperature, Tmin -20 °C
Max operating temperature, Tmax 120 °C
Characteristic cage frequency, FTF 0,414 Hz
Characteristic rolling element frequency, BSF 5,628 Hz
Characteristic outer ring frequency, BPF0 4,138 Hz
Characteristic inner ring frequency, BPFI 5,862 Hz