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Single row tapered roller bearings

32019A - SNR

32019A

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 diameter95 mm
D - External diameter145 mm
B - Bearing/Inner ring width32 mm
C - Outer ring width24 mm
T - Total width32 mm
d1 - External diameter inner ring120,1 mm
a - Charge load application point31,4 mm
rs - Min fillet radius2 mm
r1s - Min fillet radius1,5 mm
Mass1,786 kg
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PRODUCT PERFORMANCE
C - Dynamic load182 kN
A2 - Rating life coefficient1
C0 - Static load280 kN
Cu - Fatigue limit load32,5 kN
e - Coefficient0.44
Y0 - Static axial load coefficient0.75
Y2 - Upper axial load coefficient1.36
N ref - Reference thermal speed3000 tr/min
N lim - Mechanical Limit Speed4600 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)12,634 Hz
BPFI - Over rolling frequency on inner (60 rpm)15,366 Hz
BSF - Over rolling frequency on rolling element (60 rpm)9,737 Hz
BRF - Rotational frequency – rolling element (60 rpm)4,869 Hz
FTF - Rotational frequency - cage (60 rpm)0,451 Hz
ABUTMENT
da max - Max shoulder diameter IR105 mm
db min - Min IR shoulder diameter104 mm
Da min - Min shoulder diameter OR130 mm
Da max - Max shoulder diameter OR136 mm
Db min - Min OR shoulder diameter140 mm
Ca - Min clearance6 mm
Cb - Min clearance8 mm
ra max - Max fillet radius2 mm
r1a - Max fillet radius1,5 mm
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