32308A - 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) 40 mm
External diameter (D) 90 mm
Bearing/Inner ring width (B) 33 mm
Outer ring width (C ) 27 mm
Total width (T) 35,25 mm
External diameter inner ring d1 63,2 mm
Charge load application point a 23,4 mm
Min fillet radius (rs) 2 mm
Min fillet radius r1s 1,5 mm
Coef (e) 0.35
Upper axial load coef (Y2) 1.74
Static axial load coef (Y0) 0.96
Mass 1,04 kg
ISO 355 reference T2FD040
Brand SNR
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Dynamic load (C) 121 kN
Rating life coefficient, A2 1
Static load (C0) 148 kN
Fatigue limit load (Cu) 18 kN
Reference thermal speed (Nref) 5600 tr/min
Mechanical Limit Speed (Nlim) 8300 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 5,261 Hz
Characteristic outer ring frequency, BPF0 6,566 Hz
Characteristic inner ring frequency, BPFI 9,434 Hz


Max shoulder diameter IR (da max) 50 mm
Min IR shoulder diameter (db min) 50 mm
Min shoulder diameter OR Da min 73 mm
Max shoulder diameter OR (Da max) 81,5 mm
Min OR shoulder diameter Db min 82 mm
Min clearance Ca 3 mm
Min clearance Cb 8 mm
Max fillet radius ra max 2 mm
Maxi fillet radius r1a 1,5 mm
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