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32007A - 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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d - Internal diameter35 mm
D - External diameter62 mm
B - Bearing/Inner ring width18 mm
C - Outer ring width14 mm
T - Total width18 mm
d1 - External diameter inner ring50,5 mm
a - Charge load application point15,2 mm
rs - Min fillet radius1 mm
r1s - Min fillet radius1 mm
Mass0,225 kg
ISO 355 referenceT4CC035
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C - Dynamic load43,1 kN
A2 - Rating life coefficient1
C0 - Static load59,2 kN
Cu - Fatigue limit load7,2 kN
e - Coefficient0.45
Y0 - Static axial load coefficient0.73
Y2 - Upper axial load coefficient1.32
Nref - Reference thermal speed6900 tr/min
Nlim - Mechanical Limit Speed12000 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
BPFO - Characteristic outer ring frequency (60 rpm)10,211 Hz
BPFI - Characteristic inner ring frequency (60 rpm)12,789 Hz
FTF - Characteristic cage frequency (60 rpm)0,444 Hz
BSF - Characteristic rolling element frequency (60 rpm)8,434 Hz
da max - Max shoulder diameter IR40 mm
db min - Min IR shoulder diameter40,5 mm
Da min - Min shoulder diameter OR54 mm
Da max - Max shoulder diameter OR56,5 mm
Db min - Min OR shoulder diameter59 mm
Ca - Min clearance4 mm
Cb - Min clearance4 mm
ra max - Max fillet radius1 mm
r1a - Max fillet radius1 mm
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