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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 60 mm D - External diameter 95 mm B - Bearing/Inner ring width 18 mm d1 - External diameter inner ring 71,9 mm d2 - External diameter inner ring 70,1 mm D1 - Inner diameter outer ring 84,91 mm D2 - Inner diameter outer ring 88,11 mm a - Charge load application point 21 mm α - Contact angle 17 ° rs - Min fillet radius 1,1 mm r1s - Min fillet radius 1 mm Precision class P4S Mass 0,426 kg
PRODUCT PERFORMANCE C - Dynamic load 17 kN C0 - Static load 12 kN Cu - Fatigue limit load 0,66 kN f0 - Coefficient 8.327 Axial displacement K Factor 0.99 Preload level 7 Preload value 0,09 kN Axial rigidity 65 N/µm Radial rigidity 318 N/µm Tmin - Min operating temperature -20 °C Tmax - Max operating temperature 120 °C N lim - Oil lubrication limit speed 28000 tr/min N lim - Grease lubrication limit speed 21000 tr/min
BEARING FREQUENCIES BPFO - Over rolling frequency on outer ring (60 rpm) 10,809 Hz BPFI - Over rolling frequency on inner (60 rpm) 13,191 Hz BSF - Over rolling frequency on rolling element (60 rpm) 9,542 Hz BRF - Rotational frequency – rolling element (60 rpm) 4,771 Hz FTF - Rotational frequency - cage (60 rpm) 0,45 Hz
ABUTMENT da min - Min shoulder diameter IR 67 mm db min - Min IR shoulder diameter 67 mm Da max - Max shoulder diameter OR 88 mm Db max - Max OR shoulder diameter 88 mm r1a - Max fillet radius 1 mm ra max - Max shaft & housing fillet radius 1 mm
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