32310A - 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.


CAD file

Technical datasheet

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Internal diameter (d) 50 mm
External diameter (D) 110 mm
Bearing/Inner ring width (B) 40 mm
Outer ring width (C ) 33 mm
Total width (T) 42,25 mm
External diameter inner ring d1 78,4 mm
Charge load application point a 28,2 mm
Min fillet radius (rs) 2,5 mm
Min fillet radius r1s 2 mm
Coef (e) 0.35
Upper axial load coef (Y2) 1.74
Static axial load coef (Y0) 0.96
Mass 1,89 kg
ISO 355 reference T2FD050
Brand SNR
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Dynamic load (C) 187 kN
Rating life coefficient, A2 1
Static load (C0) 237 kN
Fatigue limit load (Cu) 28,9 kN
Reference thermal speed (Nref) 4600 tr/min
Mechanical Limit Speed (Nlim) 6600 tr/min
Min operating temperature (Tmin) -40 °C
Max operating temperature (Tmax) 120 °C
Characteristic cage frequency, FTF 0,41 Hz
Characteristic rolling element frequency, BSF 5,264 Hz
Characteristic outer ring frequency, BPF0 6,566 Hz
Characteristic inner ring frequency, BPFI 9,434 Hz


Max shoulder diameter IR (da max) 62 mm
Min IR shoulder diameter (db min) 62 mm
Min shoulder diameter OR Da min 90 mm
Max shoulder diameter OR (Da max) 100 mm
Min OR shoulder diameter Db min 102 mm
Min clearance Ca 3 mm
Min clearance Cb 9 mm
Max fillet radius ra max 2 mm
Maxi fillet radius r1a 2 mm
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