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
75 mm
D - External diameter
130 mm
B - Bearing/Inner ring width
31 mm
C - Outer ring width
27 mm
T - Total width
33,25 mm
d1 - External diameter inner ring
101,1 mm
a - Charge load application point
30 mm
rs - Min fillet radius
2 mm
r1s - Min fillet radius
1,5 mm
Mass
1,75 kg
ISO 355 reference
T4DC075
PRODUCT PERFORMANCE
C - Dynamic load
186 kN
A2 - Rating life coefficient
1
C0 - Static load
242 kN
Cu - Fatigue limit load
29,3 kN
e - Coefficient
0.44
Y0 - Static axial load coefficient
0.76
Y2 - Upper axial load coefficient
1.38
N ref - Reference thermal speed
3100 tr/min
N lim - Mechanical Limit Speed
5300 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)
8,63 Hz
BPFI - Over rolling frequency on inner (60 rpm)
11,37 Hz
BSF - Over rolling frequency on rolling element (60 rpm)
6,88 Hz
BRF - Rotational frequency – rolling element (60 rpm)
