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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 30 mm D - External diameter 62 mm B - Bearing/Inner ring width 16 mm d1 - External diameter inner ring 40,4 mm D1 - Inner diameter outer ring 52,05 mm D2 - Inner diameter outer ring 56,99 mm a - Charge load application point 14 mm α - Contact angle 15 ° rs - Min fillet radius 1 mm r1s - Min fillet radius 0,6 mm Precision class P4 Mass 0,2 kg
PRODUCT PERFORMANCE C - Dynamic load 24,3 kN C0 - Static load 15,9 kN Cu - Fatigue limit load 0,72 kN f0 - Coefficient 14 Axial displacement K Factor 1.54 Preload level 7 Preload value 0,13 kN Axial rigidity 50 N/µm Radial rigidity 279 N/µm Tmin - Min operating temperature -30 °C Tmax - Max operating temperature 120 °C N lim - Oil lubrication limit speed 36000 tr/min N lim - Grease lubrication limit speed 23000 tr/min
BEARING FREQUENCIES BPFO - Over rolling frequency on outer ring (60 rpm) 5,2 Hz BPFI - Over rolling frequency on inner (60 rpm) 7,8 Hz BSF - Over rolling frequency on rolling element (60 rpm) 4,636 Hz BRF - Rotational frequency – rolling element (60 rpm) 2,318 Hz FTF - Rotational frequency - cage (60 rpm) 0,4 Hz
ABUTMENT da min - Min shoulder diameter IR 35,5 mm db min - Min IR shoulder diameter 35,5 mm Da max - Max shoulder diameter OR 56,5 mm Db max - Max OR shoulder diameter 56,5 mm r1a - Max fillet radius 0,6 mm ra max - Max shaft & housing fillet radius 1 mm
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