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NJ2306ET2X - NTN

NJ2306ET2X

Single row cylindrical roller bearing, single direction for axial loads, 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 30 mm
D - External diameter 72 mm
B - Bearing/Inner ring width 27 mm
E - Upper roller diameter 62,5 mm
F - Under roller diameter 40,5 mm
d1 - IR flange outer diameter 44,9 mm
rs - Min fillet radius 1,1 mm
r1s - Min fillet radius 1,1 mm
Radial clearance class CN
Mass 0,58 kg
Brand NTN
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PRODUCT PERFORMANCE

C - Dynamic load 74,5 kN
C0 - Static load 77,5 kN
Cu - Fatigue limit load 9,5 kN
Nlim - Oil lubrication limit speed 9700 tr/min
Nlim - Grease lubrication limit speed 8300 tr/min
Tmin - Min operating temperature -20 °C
Tmax - Max operating temperature 120 °C
FTF - Characteristic cage frequency 0,393 Hz
BSF - Characteristic rolling element frequency 4,468 Hz
BPFO - Characteristic outer ring frequency 4,718 Hz
BPFI - Characteristic inner ring frequency 7,282 Hz

ABUTMENT

da min - Min shoulder diameter IR 36,5 mm
da max - Small face shoulder max diameter 40 mm
dc min - Min inner ring GO diameter 48 mm
Da max - Max shoulder diameter OR 65,5 mm
ra max - Max fillet radius 1 mm
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