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NATR20X - NTN

Needle roller bearing, roller follower, with cage, with inner ring, cylindrical outer ring

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Technical datasheet

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PRODUCT DEFINITION
d - Internal diameter20 mm
D - External diameter47 mm
C - Width of bearing, drawn cup or outer ring24 mm
F - Under roller diameter25 mm
B - Bearing/Inner ring width25 mm
e - Inlet diameter of roller or washer37 mm
Bearing with/without cageWith
Radial clearance classCN
Precision classP0
Mass0,246 kg
BrandNTN
PRODUCT PERFORMANCE
Cr - Dynamic load rating20,7 kN
C0r - Static load rating33,5 kN
Track load capacity cylindrical outer ring21 kN
Nlim - Grease lubrication limit speed6000 tr/min
Nlim - Oil lubrication limit speed8000 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Characteristic outer ring frequency10 Hz
BPFI - Characteristic inner ring frequency12 Hz
FTF - Characteristic cage frequency0,455 Hz
BSF - Characteristic rolling element frequency10,909 Hz