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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 10 mm D - External diameter 26 mm B - Bearing/Inner ring width 8 mm d1 - External diameter inner ring 14,65 mm D1 - Inner diameter outer ring 21,4 mm D2 - Inner diameter outer ring 23,22 mm a - Charge load application point 8 mm α - Contact angle 25 ° rs - Min fillet radius 0,3 mm r1s - Min fillet radius 0,3 mm Precision class P4 Mass 0,018 kg
PRODUCT PERFORMANCE C - Dynamic load 5,3 kN C0 - Static load 2,55 kN Cu - Fatigue limit load 0,16 kN f0 - Coefficient 12.292 Axial displacement K Factor 1.15 Preload level 8 Axial rigidity 44 N/µm Radial rigidity 94 N/µm Tmin - Min operating temperature -30 °C Tmax - Max operating temperature 120 °C N lim - Oil lubrication limit speed 89000 tr/min N lim - Grease lubrication limit speed 58000 tr/min
BEARING FREQUENCIES BPFO - Over rolling frequency on outer ring (60 rpm) 3,801 Hz BPFI - Over rolling frequency on inner (60 rpm) 6,199 Hz BSF - Over rolling frequency on rolling element (60 rpm) 3,563 Hz BRF - Rotational frequency – rolling element (60 rpm) 1,782 Hz FTF - Rotational frequency - cage (60 rpm) 0,38 Hz
ABUTMENT da min - Min shoulder diameter IR 12,5 mm db min - Min IR shoulder diameter 12,5 mm Da max - Max shoulder diameter OR 23,5 mm Db max - Max OR shoulder diameter 23,5 mm r1a - Max fillet radius 0,3 mm ra max - Max shaft & housing fillet radius 0,3 mm
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