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Single row tapered roller bearings

32207.C - SNR

32207.C

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.

Documentation

Product information

PRODUCT DEFINITION
BrandSNR
d - Internal diameter35 mm
D - External diameter72 mm
B - Bearing/Inner ring width23 mm
C - Outer ring width19 mm
T - Total width24,25 mm
d1 - External diameter inner ring52,4 mm
a - Charge load application point18,25 mm
rs - Min fillet radius1,5 mm
r1s - Min fillet radius1,5 mm
Mass0,43 kg
ISO 355 referenceT3DC035
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PRODUCT PERFORMANCE
C - Dynamic load70 kN
A2 - Rating life coefficient1
C0 - Static load80 kN
Cu - Fatigue limit load9,8 kN
e - Coefficient0.37
Y0 - Static axial load coefficient0.88
Y2 - Upper axial load coefficient1.6
N ref - Reference thermal speed6100 tr/min
N lim - Mechanical Limit Speed10000 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)7,119 Hz
BPFI - Over rolling frequency on inner (60 rpm)9,88 Hz
BSF - Over rolling frequency on rolling element (60 rpm)5,813 Hz
BRF - Rotational frequency – rolling element (60 rpm)2,907 Hz
FTF - Rotational frequency - cage (60 rpm)0,418 Hz
ABUTMENT
da max - Max shoulder diameter IR43 mm
db min - Min IR shoulder diameter43,5 mm
Da min - Min shoulder diameter OR61 mm
Da max - Max shoulder diameter OR63,5 mm
Db min - Min OR shoulder diameter67 mm
Ca - Min clearance3 mm
Cb - Min clearance5 mm
ra max - Max fillet radius1,5 mm
r1a - Max fillet radius1,5 mm
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