32038.A - SNR


Tapered roller bearing, pressed steel cage

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.


Technical datasheet

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Internal diameter (d) 190 mm
External diameter (D) 290 mm
Bearing/Inner ring width (B) 64 mm
Outer ring width (C ) 48 mm
Total width (T) 64 mm
Charge load application point a 62,5 mm
Min fillet radius (rs) 3 mm
Min fillet radius r1s 2,5 mm
Coef (e) 0.44
Upper axial load coef (Y2) 1.36
Static axial load coef (Y0) 0.75
Mass 15,1 kg
ISO 355 reference T4FD190
Brand SNR
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Dynamic load (C) 655 kN
Rating life coefficient, A2 1
Static load (C0) 1210 kN
Fatigue limit load (Cu) 113,3 kN
Nlim (oil) 1500 tr/min
Nlim (grease) 1100 tr/min
Min operating temperature (Tmin) -40 °C
Max operating temperature (Tmax) 120 °C
Characteristic cage frequency, FTF 0,453 Hz
Characteristic rolling element frequency, BSF 10,069 Hz
Characteristic outer ring frequency, BPF0 13,131 Hz
Characteristic inner ring frequency, BPFI 15,869 Hz


Max shoulder diameter IR (da max) 209 mm
Min IR shoulder diameter (db min) 204 mm
Min shoulder diameter OR Da min 257 mm
Max shoulder diameter OR (Da max) 278 mm
Min OR shoulder diameter Db min 279 mm
Min clearance Ca 10 mm
Min clearance Cb 16 mm
Max fillet radius ra max 2,5 mm
Maxi fillet radius r1a 2 mm
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