In the ball bearing and high precision bearing ranges, the high precision angular contact ball bearing solves the maximum reliability constraints with increased performance in terms of rigidity, speed, capacity and precision. This bearing is recommended for demanding applications in terms of precision such as machine tool spindles. NTN is getting sub-ranges dedicated to requirements of speed, sealing, specific greasing, etc.
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PRODUCT DEFINITION | |
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Brand | SNR |
d - Internal diameter | 17 mm |
D - External diameter | 35 mm |
B - Bearing/Inner ring width | 10 mm |
d1 - External diameter inner ring | 22,65 mm |
D1 - Inner diameter outer ring | 29,4 mm |
D2 - Inner diameter outer ring | 31,97 mm |
a - Charge load application point | 9 mm |
α - Contact angle | 15 ° |
rs - Min fillet radius | 0,3 mm |
r1s - Min fillet radius | 0,3 mm |
Precision class | P4 |
Mass | 0,037 kg |
PRODUCT PERFORMANCE | |
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C - Dynamic load | 7,2 kN |
C0 - Static load | 4,45 kN |
Cu - Fatigue limit load | 0,2 kN |
f0 - Coefficient | 14.5 |
Preload level | 7 |
Preload value | 0,035 kN |
Tmin - Min operating temperature | -30 °C |
Tmax - Max operating temperature | 120 °C |
BEARING FREQUENCIES | |
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BPFO - Characteristic outer ring frequency (60 rpm) | 5,762 Hz |
BPFI - Characteristic inner ring frequency (60 rpm) | 8,238 Hz |
FTF - Characteristic cage frequency (60 rpm) | 0,412 Hz |
BSF - Characteristic rolling element frequency (60 rpm) | 5,289 Hz |
ABUTMENT | |
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da min - Min shoulder diameter IR | 19,5 mm |
db min - Min IR shoulder diameter | 19,5 mm |
Da max - Max shoulder diameter OR | 32,5 mm |
Db max - Max OR shoulder diameter | 32,5 mm |
r1a - Max fillet radius | 0,3 mm |
ra max - Max shaft & housing fillet radius | 0,3 mm |
