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 DEFINITION | |
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Brand | SNR |
d - Internal diameter | 75 mm |
D - External diameter | 160 mm |
B - Bearing/Inner ring width | 37 mm |
C - Outer ring width | 26 mm |
T - Total width | 40 mm |
d1 - External diameter inner ring | 117 mm |
a - Charge load application point | 49,9 mm |
rs - Min fillet radius | 3 mm |
r1s - Min fillet radius | 2,5 mm |
Mass | 3,38 kg |
ISO 355 reference | T7GB075 |
PRODUCT PERFORMANCE | |
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C - Dynamic load | 218 kN |
A2 - Rating life coefficient | 1 |
C0 - Static load | 259 kN |
Cu - Fatigue limit load | 30,1 kN |
e - Coefficient | 0.83 |
Y0 - Static axial load coefficient | 0.4 |
Y2 - Upper axial load coefficient | 0.73 |
Nref - Reference thermal speed | 3200 tr/min |
Nlim - Mechanical Limit Speed | 4400 tr/min |
Tmin - Min operating temperature | -40 °C |
Tmax - Max operating temperature | 120 °C |
BEARING FREQUENCIES | |
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BPFO - Characteristic outer ring frequency (60 rpm) | 6,732 Hz |
BPFI - Characteristic inner ring frequency (60 rpm) | 9,268 Hz |
FTF - Characteristic cage frequency (60 rpm) | 0,421 Hz |
BSF - Characteristic rolling element frequency (60 rpm) | 5,389 Hz |
ABUTMENT | |
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da max - Max shoulder diameter IR | 91 mm |
db min - Min IR shoulder diameter | 87 mm |
Da min - Min shoulder diameter OR | 127 mm |
Da max - Max shoulder diameter OR | 148 mm |
Db min - Min OR shoulder diameter | 151 mm |
Ca - Min clearance | 6 mm |
Cb - Min clearance | 14 mm |
ra max - Max fillet radius | 2,5 mm |
r1a - Max fillet radius | 2 mm |