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K55X63X25 - NTN

K55X63X25

Needle roller bearing, cage assembly, steel cage

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Technical datasheet

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PRODUCT DEFINITION
BrandNTN
Fw - Under rollers diameter55 mm
Ew - Upper rollers diameter63 mm
Bc - Cage Width25 mm
Mass0,088 kg
Product classification image
PRODUCT PERFORMANCE
Cr - Dynamic load rating50,5 kN
C0r - Static load rating97,5 kN
Nlim - Grease lubrication limit speed5000 tr/min
Nlim - Oil lubrication limit speed7500 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Characteristic outer ring frequency (60 rpm)13,051 Hz
BPFI - Characteristic inner ring frequency (60 rpm)14,949 Hz
FTF - Characteristic cage frequency (60 rpm)0,466 Hz
BSF - Characteristic rolling element frequency (60 rpm)14,682 Hz
ABUTMENT
b - Raceway width25 mm