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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 65 mm D - External diameter 100 mm B - Bearing/Inner ring width 18 mm d1 - External diameter inner ring 76,9 mm d2 - External diameter inner ring 75,1 mm D1 - Inner diameter outer ring 89,91 mm D2 - Inner diameter outer ring 93,11 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 0,445 kg
PRODUCT PERFORMANCE C - Dynamic load 17,3 kN C0 - Static load 12,7 kN Cu - Fatigue limit load 0,69 kN f0 - Coefficient 8.402 Axial displacement K Factor 0.96 Preload level 7 Preload value 0,09 kN Axial rigidity 67 N/µm Radial rigidity 329 N/µm Tmin - Min operating temperature -20 °C Tmax - Max operating temperature 120 °C N lim - Oil lubrication limit speed 27000 tr/min N lim - Grease lubrication limit speed 19500 tr/min
BEARING FREQUENCIES BPFO - Over rolling frequency on outer ring (60 rpm) 11,336 Hz BPFI - Over rolling frequency on inner (60 rpm) 13,664 Hz BSF - Over rolling frequency on rolling element (60 rpm) 10,178 Hz BRF - Rotational frequency – rolling element (60 rpm) 5,089 Hz FTF - Rotational frequency - cage (60 rpm) 0,453 Hz
ABUTMENT da min - Min shoulder diameter IR 72 mm db min - Min IR shoulder diameter 72 mm Da max - Max shoulder diameter OR 93 mm Db max - Max OR shoulder diameter 93 mm r1a - Max fillet radius 1 mm ra max - Max shaft & housing fillet radius 1 mm
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