Double row angular contact ball bearing, polyamide cage, snap ring and groove on outer diameter, shield on both sides
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PRODUCT DEFINITION | |
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Brand | SNR |
d - Internal diameter | 65 mm |
D - External diameter | 140 mm |
B - Bearing/Inner ring width | 58,7 mm |
d1 - External diameter inner ring | 88,25 mm |
D1 - Inner diameter outer ring | 122,7 mm |
a - Charge load application point | 73,3 mm |
α - Contact angle | 25 ° |
a min - Min position Groove | 4,65 mm |
a max - Max position groove | 4,9 mm |
rs - Min fillet radius | 2,1 mm |
rNs - Min fillet radius | 1 mm |
D3 - Max bottom groove diameter | 135,23 mm |
b min - Min groove width | 3,1 mm |
b max - Max groove width | 3,4 mm |
r0 max - Max bottom groove radius | 0,6 mm |
D4 max - Max outer diameter of assembled stop ring | 149,7 mm |
f - Stop ring thickness | 2,77 mm |
Snap ring reference | R 140 |
Radial clearance class | CN |
Precision class | P0 |
Mass | 3,39 kg |
PRODUCT PERFORMANCE | |
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C - Dynamic load | 145 kN |
C0 - Static load | 118 kN |
Cu - Fatigue limit load | 7,3 kN |
f0 - Coefficient | 13.6 |
Nref - Reference thermal speed | 4500 tr/min |
Nlim - Mechanical Limit Speed | 3700 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) | 3,138 Hz |
BPFI - Characteristic inner ring frequency (60 rpm) | 4,862 Hz |
FTF - Characteristic cage frequency (60 rpm) | 0,392 Hz |
BSF - Characteristic rolling element frequency (60 rpm) | 4,009 Hz |
ABUTMENT | |
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da min - Min shoulder diameter IR | 76 mm |
da max - Max shoulder diameter IR | 88,25 mm |
Da max - Max shoulder diameter OR | 129 mm |
Ca min - Mini segment position | 7,37 mm |
Ca max - Max segment position | 7,72 mm |
ra max - Max shaft & housing fillet radius | 2 mm |
rNa max - Max fillet radius on segment side | 1 mm |
Db min - Min stop ring position diameter | 151,8 mm |