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Single row tapered roller bearings

32014.A - SNR

32014.A

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 diameter70 mm
D - External diameter110 mm
B - Bearing/Inner ring width25 mm
C - Outer ring width19 mm
T - Total width25 mm
d1 - External diameter inner ring90,2 mm
a - Charge load application point23,9 mm
rs - Min fillet radius1,5 mm
r1s - Min fillet radius1,5 mm
Mass0,841 kg
ISO 355 referenceT4CC070
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PRODUCT PERFORMANCE
C - Dynamic load109 kN
A2 - Rating life coefficient1
C0 - Static load160 kN
Cu - Fatigue limit load19,5 kN
e - Coefficient0.43
Y0 - Static axial load coefficient0.76
Y2 - Upper axial load coefficient1.38
N ref - Reference thermal speed3800 tr/min
N lim - Mechanical Limit Speed6200 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)12,162 Hz
BPFI - Over rolling frequency on inner (60 rpm)14,838 Hz
BSF - Over rolling frequency on rolling element (60 rpm)9,593 Hz
BRF - Rotational frequency – rolling element (60 rpm)4,797 Hz
FTF - Rotational frequency - cage (60 rpm)0,45 Hz
ABUTMENT
da max - Max shoulder diameter IR78 mm
db min - Min IR shoulder diameter78,5 mm
Da min - Min shoulder diameter OR98 mm
Da max - Max shoulder diameter OR101,5 mm
Db min - Min OR shoulder diameter105 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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