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Single row tapered roller bearings

33207A - SNR

33207A

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 width28 mm
C - Outer ring width22 mm
T - Total width28 mm
d1 - External diameter inner ring53,2 mm
a - Charge load application point18,2 mm
rs - Min fillet radius1,5 mm
r1s - Min fillet radius1,5 mm
Mass0,51 kg
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PRODUCT PERFORMANCE
C - Dynamic load86,4 kN
A2 - Rating life coefficient1
C0 - Static load102 kN
Cu - Fatigue limit load12,4 kN
e - Coefficient0.35
Y0 - Static axial load coefficient0.93
Y2 - Upper axial load coefficient1.7
N ref - Reference thermal speed6200 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)6,674 Hz
BPFI - Over rolling frequency on inner (60 rpm)9,326 Hz
BSF - Over rolling frequency on rolling element (60 rpm)5,711 Hz
BRF - Rotational frequency – rolling element (60 rpm)2,856 Hz
FTF - Rotational frequency - cage (60 rpm)0,417 Hz
ABUTMENT
da max - Max shoulder diameter IR42 mm
db min - Min IR shoulder diameter42 mm
Da min - Min shoulder diameter OR61 mm
Da max - Max shoulder diameter OR65 mm
Db min - Min OR shoulder diameter68 mm
Ca - Min clearance5 mm
Cb - Min clearance6 mm
ra max - Max fillet radius1,5 mm
r1a - Max fillet radius1,5 mm
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