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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 80 mm D - External diameter 110 mm B - Bearing/Inner ring width 16 mm d1 - External diameter inner ring 89,4 mm D1 - Inner diameter outer ring 100,75 mm D2 - Inner diameter outer ring 105,08 mm a - Charge load application point 21 mm α - Contact angle 15 ° rs - Min fillet radius 0,6 mm r1s - Min fillet radius 0,3 mm Precision class P4 Mass 0,37 kg
PRODUCT PERFORMANCE C - Dynamic load 34,4 kN C0 - Static load 36,1 kN Cu - Fatigue limit load 1,94 kN f0 - Coefficient 16.474 Axial displacement K Factor 0.98 Preload level 7 Preload value 0,18 kN Axial rigidity 83 N/µm Radial rigidity 486 N/µm Tmin - Min operating temperature -30 °C Tmax - Max operating temperature 120 °C N lim - Oil lubrication limit speed 18500 tr/min N lim - Grease lubrication limit speed 12000 tr/min
BEARING FREQUENCIES BPFO - Over rolling frequency on outer ring (60 rpm) 11,289 Hz BPFI - Over rolling frequency on inner (60 rpm) 13,711 Hz BSF - Over rolling frequency on rolling element (60 rpm) 9,88 Hz BRF - Rotational frequency – rolling element (60 rpm) 4,94 Hz FTF - Rotational frequency - cage (60 rpm) 0,452 Hz
ABUTMENT da min - Min shoulder diameter IR 84,5 mm db min - Min IR shoulder diameter 84,5 mm Da max - Max shoulder diameter OR 105,5 mm Db max - Max OR shoulder diameter 105,5 mm r1a - Max fillet radius 0,3 mm ra max - Max shaft & housing fillet radius 0,6 mm
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