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Single row tapered roller bearings

30313A - SNR

30313A

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 diameter65 mm
D - External diameter140 mm
B - Bearing/Inner ring width33 mm
C - Outer ring width28 mm
T - Total width36 mm
d1 - External diameter inner ring100 mm
a - Charge load application point28,7 mm
rs - Min fillet radius3 mm
r1s - Min fillet radius2,5 mm
Mass2,44 kg
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PRODUCT PERFORMANCE
C - Dynamic load214 kN
A2 - Rating life coefficient1
C0 - Static load242 kN
Cu - Fatigue limit load29,1 kN
e - Coefficient0.35
Y0 - Static axial load coefficient0.96
Y2 - Upper axial load coefficient1.74
N ref - Reference thermal speed3900 tr/min
N lim - Mechanical Limit Speed5200 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)6,567 Hz
BPFI - Over rolling frequency on inner (60 rpm)9,433 Hz
BSF - Over rolling frequency on rolling element (60 rpm)5,266 Hz
BRF - Rotational frequency – rolling element (60 rpm)2,633 Hz
FTF - Rotational frequency - cage (60 rpm)0,41 Hz
ABUTMENT
da max - Max shoulder diameter IR83 mm
db min - Min IR shoulder diameter77 mm
Da min - Min shoulder diameter OR122 mm
Da max - Max shoulder diameter OR128 mm
Db min - Min OR shoulder diameter130 mm
Ca - Min clearance5 mm
Cb - Min clearance8 mm
ra max - Max fillet radius3 mm
r1a - Max fillet radius2,5 mm
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