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 | 20 mm |
D - External diameter | 52 mm |
B - Bearing/Inner ring width | 22,2 mm |
d1 - External diameter inner ring | 29,2 mm |
D1 - Inner diameter outer ring | 45 mm |
a - Charge load application point | 26,4 mm |
α - Contact angle | 25 ° |
a min - Min position Groove | 2,31 mm |
a max - Max position groove | 2,46 mm |
rs - Min fillet radius | 1,1 mm |
rNs - Min fillet radius | 0,6 mm |
D3 - Max bottom groove diameter | 49,73 mm |
b min - Min groove width | 1,35 mm |
b max - Max groove width | 1,65 mm |
r0 max - Max bottom groove radius | 0,4 mm |
D4 max - Max outer diameter of assembled stop ring | 57,9 mm |
f - Stop ring thickness | 1,07 mm |
Snap ring reference | R 52 |
Radial clearance class | CN |
Precision class | P0 |
Mass | 0,197 kg |
PRODUCT PERFORMANCE | |
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C - Dynamic load | 22,2 kN |
C0 - Static load | 14,6 kN |
Cu - Fatigue limit load | 0,92 kN |
f0 - Coefficient | 13.2 |
Nref - Reference thermal speed | 9100 tr/min |
Nlim - Mechanical Limit Speed | 10000 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) | 3,145 Hz |
BPFI - Characteristic inner ring frequency (60 rpm) | 4,855 Hz |
FTF - Characteristic cage frequency (60 rpm) | 0,393 Hz |
BSF - Characteristic rolling element frequency (60 rpm) | 4,044 Hz |
ABUTMENT | |
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da min - Min shoulder diameter IR | 26,5 mm |
da max - Max shoulder diameter IR | 29,2 mm |
Da max - Max shoulder diameter OR | 45,5 mm |
Ca min - Mini segment position | 3,33 mm |
Ca max - Max segment position | 3,58 mm |
ra max - Max shaft & housing fillet radius | 1 mm |
rNa max - Max fillet radius on segment side | 0,6 mm |
Db min - Min stop ring position diameter | 58,6 mm |