32964E1 - NTN


The single row tapered roller bearing is available in metric dimensions (ISO 355 and JIS B 1512 standards) and in inches (ABMA standard, metric series including J). The single row in tapered roller bearing range, is the most widely used and is generally mounted in opposition.


3D file

Technical datasheet

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Internal diameter (d) 320 mm
External diameter (D) 440 mm
Bearing/Inner ring width (B) 72 mm
Outer ring width (C ) 63 mm
Total width (T) 76 mm
Charge load application point a 85 mm
Min fillet radius (rs) 3 mm
Min fillet radius r1s 3 mm
Coef (e) 0.39
Upper axial load coef (Y2) 1.55
Static axial load coef (Y0) 0.85
Mass 33,2 kg
Brand NTN
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Dynamic load (C) 955 kN
Static load (C0) 1880 kN
Fatigue limit load (Cu) 153 kN
Nlim (oil) 900 tr/min
Nlim (grease) 670 tr/min
Min operating temperature (Tmin) -40 °C
Max operating temperature (Tmax) 120 °C


Min shoulder diameter OR Da min 392 mm
Max shoulder diameter OR (Da max) 426 mm
Min OR shoulder diameter Db min 424,5 mm
Min clearance Ca 13 mm
Min clearance Cb 13 mm
Max fillet radius ra max 3 mm
Maxi fillet radius r1a 2,5 mm
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