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N209 - NTN

N209

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 45 mm
External diameter D 85 mm
Bearing/Inner ring width(B) 19 mm
Upper roller diameter E 75 mm
Under roller diameter F 55 mm
d1 59 mm
Min fillet radius rs 1,1 mm
Min fillet radius r1s 1,1 mm
Radial clearance class CN
Mass 0,423 kg
Brand NTN
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PRODUCT PERFORMANCE

Dynamic load, C 51 kN
Static load, C0 47 kN
Fatigue limit load, Cu 5,7 kN
Nlim (oil) 9900 tr/min
Nlim (grease) 8400 tr/min
Min operating temperature, Tmin -40 °C
Max operating temperature, Tmax 120 °C
Characteristic cage frequency, FTF 0,423 Hz
Characteristic rolling element frequency, BSF 6,346 Hz
Characteristic outer ring frequency, BPF0 5,923 Hz
Characteristic inner ring frequency, BPFI 8,077 Hz

ABUTMENT

Min shoulder diameter IR da min 51,5 mm
Max shoulder diameter OR Da max 78,5 mm
Min shoulder diameter small face Db min 76 mm
Max N type OR GO diameter Dc max 73 mm
Max fillet radius ra max 1 mm
Maxi fillet radius r1a 1 mm
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