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N304ET2XC2 - NTN

N304ET2XC2

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 DIMENSIONS

Internal diameter (d) 20 mm
External diameter (D) 52 mm
Bearing/Inner ring width (B) 15 mm
Upper roller diameter E 45,5 mm
Under roller diameter F 27,5 mm
d1 31,1 mm
Min fillet radius (rs) 1,1 mm
Min fillet radius r1s 0,6 mm
Radial clearance class C2
Mass 0,152 kg
Brand NTN
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PRODUCT PERFORMANCE

Dynamic load (C) 31,5 kN
Static load (C0) 26,9 kN
Fatigue limit load (Cu) 3,3 kN
Nlim (oil) 15000 tr/min
Nlim (grease) 13000 tr/min
Min operating temperature (Tmin) -20 °C
Max operating temperature (Tmax) 120 °C
Characteristic cage frequency, FTF 0,377 Hz
Characteristic rolling element frequency, BSF 3,809 Hz
Characteristic outer ring frequency, BPF0 3,767 Hz
Characteristic inner ring frequency, BPFI 6,233 Hz

ABUTMENT

Min shoulder diameter IR (da min) 26,5 mm
Max shoulder diameter OR (Da max) 48 mm
Min shoulder diameter small face Db min 46 mm
Max N type OR GO diameter Dc max 43 mm
Max fillet radius ra max 1 mm
Maxi fillet radius r1a 0,6 mm
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