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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 15 mm D - External diameter 32 mm B - Bearing/Inner ring width 9 mm d1 - External diameter inner ring 20,15 mm D1 - Inner diameter outer ring 26,9 mm D2 - Inner diameter outer ring 29,35 mm a - Charge load application point 8 mm α - Contact angle 15 ° rs - Min fillet radius 0,3 mm r1s - Min fillet radius 0,3 mm Precision class P4 Mass 0,028 kg
PRODUCT PERFORMANCE C - Dynamic load 6,9 kN C0 - Static load 4 kN Cu - Fatigue limit load 0,18 kN f0 - Coefficient 14.1 Axial displacement K Factor 2.08 Preload level 7 Preload value 0,032 kN Axial rigidity 23 N/µm Radial rigidity 133 N/µm Tmin - Min operating temperature -30 °C Tmax - Max operating temperature 120 °C
BEARING FREQUENCIES BPFO - Over rolling frequency on outer ring (60 rpm) 5,228 Hz BPFI - Over rolling frequency on inner (60 rpm) 7,772 Hz BSF - Over rolling frequency on rolling element (60 rpm) 4,746 Hz BRF - Rotational frequency – rolling element (60 rpm) 2,373 Hz FTF - Rotational frequency - cage (60 rpm) 0,402 Hz
ABUTMENT da min - Min shoulder diameter IR 17,5 mm db min - Min IR shoulder diameter 17,5 mm Da max - Max shoulder diameter OR 29,5 mm Db max - Max OR shoulder diameter 29,5 mm r1a - Max fillet radius 0,3 mm ra max - Max shaft & housing fillet radius 0,3 mm
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