
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.
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Product information
PRODUCT DEFINITION | |
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Brand | SNR |
d - Internal diameter | 80 mm |
D - External diameter | 125 mm |
B - Bearing/Inner ring width | 29 mm |
C - Outer ring width | 22 mm |
T - Total width | 29 mm |
d1 - External diameter inner ring | 102,6 mm |
a - Charge load application point | 26,8 mm |
rs - Min fillet radius | 1,5 mm |
r1s - Min fillet radius | 1,5 mm |
Mass | 1,273 kg |
ISO 355 reference | T3CC080 |
PRODUCT PERFORMANCE | |
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C - Dynamic load | 148 kN |
A2 - Rating life coefficient | 1 |
C0 - Static load | 220 kN |
Cu - Fatigue limit load | 26,6 kN |
e - Coefficient | 0.42 |
Y0 - Static axial load coefficient | 0.78 |
Y2 - Upper axial load coefficient | 1.42 |
N ref - Reference thermal speed | 3400 tr/min |
N lim - Mechanical Limit Speed | 5400 tr/min |
Tmin - Min operating temperature | -40 °C |
Tmax - Max operating temperature | 120 °C |
BEARING FREQUENCIES | |
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BPFO - Over rolling frequency on outer ring (60 rpm) | 12,118 Hz |
BPFI - Over rolling frequency on inner (60 rpm) | 14,882 Hz |
BSF - Over rolling frequency on rolling element (60 rpm) | 9,302 Hz |
BRF - Rotational frequency – rolling element (60 rpm) | 4,651 Hz |
FTF - Rotational frequency - cage (60 rpm) | 0,449 Hz |
ABUTMENT | |
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da max - Max shoulder diameter IR | 89 mm |
db min - Min IR shoulder diameter | 87 mm |
Da min - Min shoulder diameter OR | 112 mm |
Da max - Max shoulder diameter OR | 117 mm |
Db min - Min OR shoulder diameter | 120 mm |
Ca - Min clearance | 6 mm |
Cb - Min clearance | 7 mm |
ra max - Max fillet radius | 1,5 mm |
r1a - Max fillet radius | 1,5 mm |