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.
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Documentation
Product information
PRODUCT DEFINITION
Brand
SNR
d - Internal diameter
80 mm
D - External diameter
140 mm
B - Bearing/Inner ring width
33 mm
C - Outer ring width
28 mm
T - Total width
35,25 mm
d1 - External diameter inner ring
107,5 mm
a - Charge load application point
31,4 mm
rs - Min fillet radius
2,5 mm
r1s - Min fillet radius
2 mm
Mass
2,13 kg
ISO 355 reference
T3EC080
PRODUCT PERFORMANCE
C - Dynamic load
217 kN
A2 - Rating life coefficient
1
C0 - Static load
279 kN
Cu - Fatigue limit load
33,1 kN
e - Coefficient
0.42
Y0 - Static axial load coefficient
0.79
Y2 - Upper axial load coefficient
1.43
N ref - Reference thermal speed
3000 tr/min
N lim - Mechanical Limit Speed
5000 tr/min
Tmin - Min operating temperature
-40 °C
Tmax - Max operating temperature
120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)
8,574 Hz
BPFI - Over rolling frequency on inner (60 rpm)
11,426 Hz
BSF - Over rolling frequency on rolling element (60 rpm)
6,617 Hz
BRF - Rotational frequency – rolling element (60 rpm)
