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K25X31X14 - NTN

K25X31X14

Needle roller bearing, cage assembly, steel cage

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Technical datasheet

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PRODUCT DEFINITION
BrandNTN
Fw - Under rollers diameter25 mm
Ew - Upper rollers diameter31 mm
Bc - Cage Width14 mm
Mass0,018 kg
Product classification image
PRODUCT PERFORMANCE
Cr - Dynamic load rating16,5 kN
C0r - Static load rating22,1 kN
Nlim - Grease lubrication limit speed11000 tr/min
Nlim - Oil lubrication limit speed16000 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Characteristic outer ring frequency (60 rpm)8,036 Hz
BPFI - Characteristic inner ring frequency (60 rpm)9,964 Hz
FTF - Characteristic cage frequency (60 rpm)0,446 Hz
BSF - Characteristic rolling element frequency (60 rpm)9,226 Hz
ABUTMENT
b - Raceway width14 mm