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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.
Log in To add this product to your basket Documentation Product information PRODUCT DEFINITION Brand SNR d - Internal diameter 12 mm D - External diameter 32 mm B - Bearing/Inner ring width 10 mm d1 - External diameter inner ring 18,31 mm D1 - Inner diameter outer ring 26,02 mm D2 - Inner diameter outer ring 28,55 mm a - Charge load application point 8 mm α - Contact angle 15 ° rs - Min fillet radius 1 mm r1s - Min fillet radius 1 mm Precision class P4 Mass 0,037 kg
PRODUCT PERFORMANCE C - Dynamic load 8,3 kN C0 - Static load 4,15 kN Cu - Fatigue limit load 0,19 kN f0 - Coefficient 12.1 Preload level 7 Preload value 0,042 kN Tmin - Min operating temperature -30 °C Tmax - Max operating temperature 120 °C
BEARING FREQUENCIES BPFO - Over rolling frequency on outer ring (60 rpm) 3,693 Hz BPFI - Over rolling frequency on inner (60 rpm) 6,307 Hz BSF - Over rolling frequency on rolling element (60 rpm) 3,443 Hz BRF - Rotational frequency – rolling element (60 rpm) 1,722 Hz FTF - Rotational frequency - cage (60 rpm) 0,369 Hz
ABUTMENT da min - Min shoulder diameter IR 16,5 mm db min - Min IR shoulder diameter 16,5 mm Da max - Max shoulder diameter OR 27,5 mm Db max - Max OR shoulder diameter 27,5 mm r1a - Max fillet radius 1 mm ra max - Max shaft & housing fillet radius 1 mm
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