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The spherical roller bearing withstands significant loads and misalignments . This type of roller bearing is well adapted to harsh operating conditions : impacts or vibrations (crushers, vibrating screens, heavy handling, etc.). With the ULTAGE design, NTN offers as standard, unsurpassed endurance and longevity.
Log in To add this product to your basket Documentation Product information PRODUCT DEFINITION Brand SNR d - Internal diameter 140 mm D - External diameter 225 mm B - Bearing/Inner ring width 85 mm d2 - External diameter inner ring 156,2 mm D1 - Inner diameter outer ring 197,6 mm rs - Min fillet radius 2,1 mm Number of lubrication holes 3 ou 4 b - Groove width 10 mm k - Hole diameter 4,5 mm Associated sleeve reference AH24128 Radial clearance class CN Mass 12,5 kg
PRODUCT PERFORMANCE C - Dynamic load 951 kN C0 - Static load 1280 kN Cu - Fatigue limit load 130 kN e - Coefficient 0.34 Y0 - Static axial load coefficient 1.93 Y1 - Lower axial load coefficient 1.98 Y2 - Upper axial load coefficient 2.94 N ref - Reference thermal speed 1600 tr/min N lim - Mechanical Limit Speed 2300 tr/min Tmin - Min operating temperature -40 °C Tmax - Max operating temperature 200 °C
BEARING FREQUENCIES BPFO - Over rolling frequency on outer ring (60 rpm) 9,635 Hz BPFI - Over rolling frequency on inner (60 rpm) 12,365 Hz BSF - Over rolling frequency on rolling element (60 rpm) 7,737 Hz BRF - Rotational frequency – rolling element (60 rpm) 3,869 Hz FTF - Rotational frequency - cage (60 rpm) 0,438 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 152 mm Da max - Max shoulder diameter OR 213 mm ra max - Max shaft & housing fillet radius 2 mm
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