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32007A - SNR

32007A

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.

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Technical datasheet

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PRODUCT DEFINITION
BrandSNR
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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PRODUCT PERFORMANCE
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
BEARING FREQUENCIES
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
ABUTMENT
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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