
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 | 190 mm |
D - External diameter | 290 mm |
B - Bearing/Inner ring width | 64 mm |
C - Outer ring width | 48 mm |
T - Total width | 64 mm |
a - Charge load application point | 62,5 mm |
rs - Min fillet radius | 3 mm |
r1s - Min fillet radius | 2,5 mm |
Mass | 15,1 kg |
ISO 355 reference | T4FD190 |
PRODUCT PERFORMANCE | |
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C - Dynamic load | 655 kN |
A2 - Rating life coefficient | 1 |
C0 - Static load | 1210 kN |
Cu - Fatigue limit load | 113,3 kN |
e - Coefficient | 0.44 |
Y0 - Static axial load coefficient | 0.75 |
Y2 - Upper axial load coefficient | 1.36 |
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) | 13,131 Hz |
BPFI - Over rolling frequency on inner (60 rpm) | 15,869 Hz |
BSF - Over rolling frequency on rolling element (60 rpm) | 10,069 Hz |
BRF - Rotational frequency – rolling element (60 rpm) | 5,035 Hz |
FTF - Rotational frequency - cage (60 rpm) | 0,453 Hz |
ABUTMENT | |
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da max - Max shoulder diameter IR | 209 mm |
db min - Min IR shoulder diameter | 204 mm |
Da min - Min shoulder diameter OR | 257 mm |
Da max - Max shoulder diameter OR | 278 mm |
Db min - Min OR shoulder diameter | 279 mm |
Ca - Min clearance | 10 mm |
Cb - Min clearance | 16 mm |
ra max - Max fillet radius | 2,5 mm |
r1a - Max fillet radius | 2 mm |