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BK1212V1 - NTN

BK1212V1

Needle roller bearing, drawn cup, closed end

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Technical datasheet

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PRODUCT DEFINITION
Fw - Under rollers diameter12 mm
D - External diameter18 mm
C - Width of bearing, drawn cup or outer ring12 mm
C1 - Max drawn cup closed end thickness2,7 mm
Product classification image
TECHNICAL CHARACTERISTICS
Lubrication hole on outer ringNo
Inner ring referenceIR8X12X12.5
Mass0,01 kg
BrandNTN
PRODUCT PERFORMANCE
Cr - Dynamic load rating6,6 kN
C0r - Static load rating7,3 kN
Nlim - Grease lubrication limit speed13000 tr/min
Nlim - Oil lubrication limit speed20000 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Characteristic outer ring frequency6 Hz
BPFI - Characteristic inner ring frequency8 Hz
FTF - Characteristic cage frequency0,429 Hz
BSF - Characteristic rolling element frequency6,857 Hz