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NU220C3 - NTN

NU220C3

Single row cylindrical roller bearing, floating, separable, pressed steel 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 100 mm
External diameter D 180 mm
Bearing/Inner ring width(B) 34 mm
Upper roller diameter E 160 mm
Under roller diameter F 120 mm
Min fillet radius rs 2,1 mm
Min fillet radius r1s 2,1 mm
Radial clearance class C3
Mass 3,33 kg
Brand NTN
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PRODUCT PERFORMANCE

Dynamic load, C 203 kN
Static load, C0 217 kN
Fatigue limit load, Cu 23,9 kN
Nlim (oil) 4500 tr/min
Nlim (grease) 3800 tr/min
Min operating temperature, Tmin -40 °C
Max operating temperature, Tmax 120 °C
Characteristic cage frequency, FTF 0,429 Hz
Characteristic rolling element frequency, BSF 6,857 Hz
Characteristic outer ring frequency, BPF0 6,857 Hz
Characteristic inner ring frequency, BPFI 9,143 Hz

ABUTMENT

Min shoulder diameter IR da min 111 mm
Small face shoulder max diameter da max 117 mm
db min 122 mm
Max shoulder diameter OR Da max 169 mm
Max fillet radius ra max 2 mm
Maxi fillet radius r1a 2 mm
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