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Single row tapered roller bearings

30213.A - SNR

30213.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 diameter65 mm
D - External diameter120 mm
B - Bearing/Inner ring width23 mm
C - Outer ring width20 mm
T - Total width24,75 mm
d1 - External diameter inner ring90 mm
a - Charge load application point23,8 mm
rs - Min fillet radius2 mm
r1s - Min fillet radius1,5 mm
Mass1,123 kg
ISO 355 referenceT3EB065
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PRODUCT PERFORMANCE
C - Dynamic load133 kN
A2 - Rating life coefficient1
C0 - Static load154 kN
Cu - Fatigue limit load18,8 kN
e - Coefficient0.4
Y0 - Static axial load coefficient0.81
Y2 - Upper axial load coefficient1.48
N ref - Reference thermal speed3800 tr/min
N lim - Mechanical Limit Speed6100 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)8,087 Hz
BPFI - Over rolling frequency on inner (60 rpm)10,913 Hz
BSF - Over rolling frequency on rolling element (60 rpm)6,348 Hz
BRF - Rotational frequency – rolling element (60 rpm)3,174 Hz
FTF - Rotational frequency - cage (60 rpm)0,426 Hz
ABUTMENT
da max - Max shoulder diameter IR77 mm
db min - Min IR shoulder diameter75 mm
Da min - Min shoulder diameter OR106 mm
Da max - Max shoulder diameter OR111,5 mm
Db min - Min OR shoulder diameter113 mm
Ca - Min clearance4 mm
Cb - Min clearance4,5 mm
ra max - Max fillet radius2 mm
r1a - Max fillet radius1,5 mm
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