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NU2211 - NTN

NU2211

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 55 mm
External diameter D 100 mm
Bearing/Inner ring width(B) 25 mm
Upper roller diameter E 88,5 mm
Under roller diameter F 66,5 mm
Min fillet radius rs 1,5 mm
Min fillet radius r1s 1,1 mm
Radial clearance class CN
Mass 0,773 kg
Brand NTN
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PRODUCT PERFORMANCE

Dynamic load, C 83,5 kN
Static load, C0 87 kN
Fatigue limit load, Cu 10,6 kN
Nlim (oil) 7400 tr/min
Nlim (grease) 6300 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 6,904 Hz
Characteristic outer ring frequency, BPF0 6,435 Hz
Characteristic inner ring frequency, BPFI 8,565 Hz

ABUTMENT

Min shoulder diameter IR da min 61,5 mm
Small face shoulder max diameter da max 65 mm
db min 68 mm
Max shoulder diameter OR Da max 92 mm
Max fillet radius ra max 1,5 mm
Maxi fillet radius r1a 1 mm
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