TOPLINE deep groove ball bearing, radial contact, pressed polyamide cage, shields on both sides, for high speed applications
The single row deep-groove ball bearing is the most popular bearing. It is available in a wide range of sizes with several possible options: sealing with shields or seals, presence of a retaining ring, varied clearances, several cage types, etc.
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PRODUCT DEFINITION | |
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Brand | SNR |
d - Internal diameter | 25 mm |
D - External diameter | 47 mm |
B - Bearing/Inner ring width | 12 mm |
d1 - External diameter inner ring | 31,6 mm |
D1 - Inner diameter outer ring | 42,8 mm |
rs - Min fillet radius | 0,6 mm |
Radial clearance class | C3 |
Mass | 0,077 kg |
PRODUCT PERFORMANCE | |
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C - Dynamic load | 10,6 kN |
C0 - Static load | 5,8 kN |
Cu - Fatigue limit load | 0,26 kN |
f0 - Coefficient | 14.5 |
Nlim - Mechanical Limit Speed | 22000 tr/min |
Tmin - Min operating temperature | -50 °C |
Tmax - Max operating temperature | 120 °C |
BEARING FREQUENCIES | |
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BPFO - Characteristic outer ring frequency (60 rpm) | 4,111 Hz |
BPFI - Characteristic inner ring frequency (60 rpm) | 5,889 Hz |
FTF - Characteristic cage frequency (60 rpm) | 0,411 Hz |
BSF - Characteristic rolling element frequency (60 rpm) | 5,444 Hz |
ABUTMENT | |
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da min - Min shoulder diameter IR | 29 mm |
da max - Max shoulder diameter IR | 31,6 mm |
Da max - Max shoulder diameter OR | 43 mm |
ra max - Max shaft & housing fillet radius | 0,6 mm |