Double row angular contact ball bearing, polyamide cage, open
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PRODUCT DEFINITION | |
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Brand | SNR |
d - Internal diameter | 25 mm |
D - External diameter | 62 mm |
B - Bearing/Inner ring width | 25,4 mm |
d1 - External diameter inner ring | 36,4 mm |
D1 - Inner diameter outer ring | 55 mm |
a - Charge load application point | 30,9 mm |
α - Contact angle | 25 ° |
rs - Min fillet radius | 1,1 mm |
Radial clearance class | CN |
Precision class | P0 |
Mass | 0,334 kg |
PRODUCT PERFORMANCE | |
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C - Dynamic load | 31,2 kN |
C0 - Static load | 21 kN |
Cu - Fatigue limit load | 1,32 kN |
f0 - Coefficient | 13.6 |
Nref - Reference thermal speed | 7800 tr/min |
Nlim - Mechanical Limit Speed | 11000 tr/min |
Tmin - Min operating temperature | -20 °C |
Tmax - Max operating temperature | 120 °C |
BEARING FREQUENCIES | |
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BPFO - Characteristic outer ring frequency (60 rpm) | 3,14 Hz |
BPFI - Characteristic inner ring frequency (60 rpm) | 4,86 Hz |
FTF - Characteristic cage frequency (60 rpm) | 0,393 Hz |
BSF - Characteristic rolling element frequency (60 rpm) | 4,021 Hz |
ABUTMENT | |
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da min - Min shoulder diameter IR | 31,5 mm |
Da max - Max shoulder diameter OR | 55,5 mm |
ra max - Max shaft & housing fillet radius | 1 mm |