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BK2220 - NTN

BK2220

Needle roller bearing, drawn cup, closed end

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Technical datasheet

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PRODUCT DEFINITION
Fw - Under rollers diameter22 mm
D - External diameter28 mm
C - Width of bearing, drawn cup or outer ring20 mm
C1 - Max drawn cup closed end thickness2,7 mm
Product classification image
TECHNICAL CHARACTERISTICS
Lubrication hole on outer ringNo
Inner ring referenceIR17X22X20.5
Mass0,03 kg
BrandNTN
PRODUCT PERFORMANCE
Cr - Dynamic load rating17,2 kN
C0r - Static load rating29,8 kN
Nlim - Grease lubrication limit speed7500 tr/min
Nlim - Oil lubrication limit speed11000 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Characteristic outer ring frequency11 Hz
BPFI - Characteristic inner ring frequency13 Hz
FTF - Characteristic cage frequency0,458 Hz
BSF - Characteristic rolling element frequency11,917 Hz