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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 d2 - External diameter inner ring 18,8 mm D1 - Inner diameter outer ring 27,15 mm D2 - Inner diameter outer ring 28,45 mm a - Charge load application point 8 mm α - Contact angle 17 ° rs - Min fillet radius 0,3 mm r1s - Min fillet radius 0,3 mm Precision class P4S Mass 0,028 kg
PRODUCT PERFORMANCE C - Dynamic load 3,4 kN C0 - Static load 1,48 kN Cu - Fatigue limit load 0,09 kN f0 - Coefficient 7.534 Axial displacement K Factor 2.09 Preload level 7 Preload value 0,017 kN Axial rigidity 18 N/µm Radial rigidity 87 N/µm Tmin - Min operating temperature -20 °C Tmax - Max operating temperature 120 °C N lim - Grease lubrication limit speed 68000 tr/min
BEARING FREQUENCIES BPFO - Over rolling frequency on outer ring (60 rpm) 5,423 Hz BPFI - Over rolling frequency on inner (60 rpm) 7,577 Hz BSF - Over rolling frequency on rolling element (60 rpm) 5,611 Hz BRF - Rotational frequency – rolling element (60 rpm) 2,806 Hz FTF - Rotational frequency - cage (60 rpm) 0,417 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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