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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 50 mm D - External diameter 90 mm B - Bearing/Inner ring width 28 mm d2 - External diameter inner ring 57,1 mm D1 - Inner diameter outer ring 82,2 mm rs - Min fillet radius 1,1 mm Number of lubrication holes 3 b - Groove width 5,83 mm k - Hole diameter 2,5 mm Radial clearance class CN Mass 0,7 kg
PRODUCT PERFORMANCE C - Dynamic load 130 kN C0 - Static load 124 kN Cu - Fatigue limit load 15,1 kN e - Coefficient 0.24 Y0 - Static axial load coefficient 2.78 Y1 - Lower axial load coefficient 2.84 Y2 - Upper axial load coefficient 4.23 N lim - Mechanical Limit Speed 1900 tr/min Tmin - Min operating temperature -20 °C Tmax - Max operating temperature 120 °C
BEARING FREQUENCIES BPFO - Over rolling frequency on outer ring (60 rpm) 7,631 Hz BPFI - Over rolling frequency on inner (60 rpm) 10,369 Hz BSF - Over rolling frequency on rolling element (60 rpm) 6,342 Hz BRF - Rotational frequency – rolling element (60 rpm) 3,171 Hz FTF - Rotational frequency - cage (60 rpm) 0,424 Hz
ABUTMENT da max - Max shoulder diameter IR 57,1 mm da min - Min shoulder diameter IR 57 mm db - Min diameter for Sleeve 0 mm Da max - Max shoulder diameter OR 83 mm ra max - Max shaft & housing fillet radius 1 mm
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