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NU313ET2X - NTN

NU313ET2X

Single row cylindrical roller bearing, floating, separable, polyamide cage

In the cylindrical roller bearing range, the single row roller bearing withstands high radial loads. The standard ISO ranges (NU, N, NJ, NF, NUP, NH, RNU, HJ) are available with different types of cage, bore diameters, shoulder rings.

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Technical datasheet

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Specs

PRODUCT DEFINITION

d - Internal diameter 65 mm
D - External diameter 140 mm
B - Bearing/Inner ring width 33 mm
E - Upper roller diameter 124,5 mm
F - Under roller diameter 82,5 mm
rs - Min fillet radius 2,1 mm
r1s - Min fillet radius 2,1 mm
Radial clearance class CN
Mass 2,3 kg
Brand NTN
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PRODUCT PERFORMANCE

C - Dynamic load 181 kN
C0 - Static load 191 kN
Cu - Fatigue limit load 23,1 kN
Nlim - Oil lubrication limit speed 5400 tr/min
Nlim - Grease lubrication limit speed 4600 tr/min
Tmin - Min operating temperature -20 °C
Tmax - Max operating temperature 120 °C
FTF - Characteristic cage frequency 0,399 Hz
BSF - Characteristic rolling element frequency 4,726 Hz
BPFO - Characteristic outer ring frequency 5,181 Hz
BPFI - Characteristic inner ring frequency 7,819 Hz

ABUTMENT

da min - Min shoulder diameter IR 76 mm
da max - Small face shoulder max diameter 81 mm
db min - Min inner ring GO diameter 85 mm
Da max - Max shoulder diameter OR 129 mm
ra max - Max fillet radius 2 mm
r1a - Max fillet radius 2 mm
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