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.


3D file

Technical datasheet

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d - Internal diameter50 mm
D - External diameter80 mm
B - Bearing/Inner ring width20 mm
C - Outer ring width15,5 mm
T - Total width20 mm
d1 - External diameter inner ring65,8 mm
a - Charge load application point18 mm
rs - Min fillet radius1 mm
r1s - Min fillet radius1 mm
Mass0,368 kg
ISO 355 referenceT3CC050
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C - Dynamic load62,8 kN
A2 - Rating life coefficient1
C0 - Static load88,2 kN
Cu - Fatigue limit load10,8 kN
e - Coefficient0.42
Y0 - Static axial load coefficient0.78
Y2 - Upper axial load coefficient1.42
Nref - Reference thermal speed5100 tr/min
Nlim - Mechanical Limit Speed8700 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
BPFO - Characteristic outer ring frequency (60 rpm)10,253 Hz
BPFI - Characteristic inner ring frequency (60 rpm)12,748 Hz
FTF - Characteristic cage frequency (60 rpm)0,446 Hz
BSF - Characteristic rolling element frequency (60 rpm)8,768 Hz
da max - Max shoulder diameter IR56 mm
db min - Min IR shoulder diameter55,5 mm
Da min - Min shoulder diameter OR72 mm
Da max - Max shoulder diameter OR74,5 mm
Db min - Min OR shoulder diameter77 mm
Ca - Min clearance4 mm
Cb - Min clearance4,5 mm
ra max - Max fillet radius1 mm
r1a - Max fillet radius1 mm
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