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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 D1 - Inner diameter outer ring 83,2 mm D2 - Inner diameter outer ring 87 mm a - Charge load application point 19 mm α - Contact angle 15 ° rs - Min fillet radius 1,1 mm r1s - Min fillet radius 1 mm Precision class P4 Mass 0,42 kg
PRODUCT PERFORMANCE C - Dynamic load 32,9 kN C0 - Static load 30,7 kN Cu - Fatigue limit load 1,66 kN f0 - Coefficient 15.944 Axial displacement K Factor 1.06 Preload level 7 Preload value 0,17 kN Axial rigidity 76 N/µm Radial rigidity 438 N/µm Tmin - Min operating temperature -30 °C Tmax - Max operating temperature 120 °C N lim - Oil lubrication limit speed 23000 tr/min N lim - Grease lubrication limit speed 15000 tr/min
BEARING FREQUENCIES BPFO - Over rolling frequency on outer ring (60 rpm) 9,694 Hz BPFI - Over rolling frequency on inner (60 rpm) 12,306 Hz BSF - Over rolling frequency on rolling element (60 rpm) 8,019 Hz BRF - Rotational frequency – rolling element (60 rpm) 4,01 Hz FTF - Rotational frequency - cage (60 rpm) 0,441 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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