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K55X60X20 - NTN

K55X60X20

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 diameter60 mm
Bc - Cage Width20 mm
Mass0,045 kg
Product classification image
PRODUCT PERFORMANCE
Cr - Dynamic load rating28,8 kN
C0r - Static load rating66,5 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)19,609 Hz
BPFI - Characteristic inner ring frequency (60 rpm)21,391 Hz
FTF - Characteristic cage frequency (60 rpm)0,478 Hz
BSF - Characteristic rolling element frequency (60 rpm)22,957 Hz
ABUTMENT
b - Raceway width20 mm