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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 28 mm B - Bearing/Inner ring width 8 mm d1 - External diameter inner ring 16,65 mm D1 - Inner diameter outer ring 23,4 mm D2 - Inner diameter outer ring 25,72 mm a - Charge load application point 7 mm α - Contact angle 15 ° rs - Min fillet radius 0,3 mm r1s - Min fillet radius 0,3 mm Precision class P4 Mass 0,02 kg
PRODUCT PERFORMANCE C - Dynamic load 6,1 kN C0 - Static load 3,2 kN Cu - Fatigue limit load 0,15 kN f0 - Coefficient 13.2 Preload level 7 Preload value 0,03 kN Tmin - Min operating temperature -30 °C Tmax - Max operating temperature 120 °C
BEARING FREQUENCIES BPFO - Over rolling frequency on outer ring (60 rpm) 4,235 Hz BPFI - Over rolling frequency on inner (60 rpm) 6,765 Hz BSF - Over rolling frequency on rolling element (60 rpm) 3,978 Hz BRF - Rotational frequency – rolling element (60 rpm) 1,989 Hz FTF - Rotational frequency - cage (60 rpm) 0,385 Hz
ABUTMENT da min - Min shoulder diameter IR 14,5 mm db min - Min IR shoulder diameter 14,5 mm Da max - Max shoulder diameter OR 25,5 mm Db max - Max OR shoulder diameter 25,5 mm r1a - Max fillet radius 0,3 mm ra max - Max shaft & housing fillet radius 0,3 mm
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