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NATR25 - NTN

NATR25

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

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Technical datasheet

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PRODUCT DEFINITION
BrandNTN
d - Internal diameter25 mm
D - External diameter52 mm
C - Width of bearing, drawn cup or outer ring24 mm
F - Under roller diameter30 mm
B - Bearing/Inner ring width25 mm
e - Inlet diameter of roller or washer42 mm
R - Track roller radius500 mm
Bearing with/without cageWith
Radial clearance classCN
Precision classP0
Mass0,275 kg
Product classification image
PRODUCT PERFORMANCE
Cr - Dynamic load rating22,8 kN
C0r - Static load rating40,5 kN
Track load capacity spherical outer ring5,5 kN
Nlim - Grease lubrication limit speed5000 tr/min
Nlim - Oil lubrication limit speed6500 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Characteristic outer ring frequency (60 rpm)12 Hz
BPFI - Characteristic inner ring frequency (60 rpm)14 Hz
FTF - Characteristic cage frequency (60 rpm)0,462 Hz
BSF - Characteristic rolling element frequency (60 rpm)12,923 Hz