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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 45 mm D - External diameter 85 mm B - Bearing/Inner ring width 28 mm d2 - External diameter inner ring 52,4 mm D1 - Inner diameter outer ring 78,7 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 0,66 kg
PRODUCT PERFORMANCE C - Dynamic load 121 kN C0 - Static load 113 kN Cu - Fatigue limit load 13,8 kN e - Coefficient 0.26 Y0 - Static axial load coefficient 2.58 Y1 - Lower axial load coefficient 2.64 Y2 - Upper axial load coefficient 3.93 N lim - Mechanical Limit Speed 2100 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) 7,155 Hz BPFI - Over rolling frequency on inner (60 rpm) 9,845 Hz BSF - Over rolling frequency on rolling element (60 rpm) 6,072 Hz BRF - Rotational frequency – rolling element (60 rpm) 3,036 Hz FTF - Rotational frequency - cage (60 rpm) 0,421 Hz
ABUTMENT da max - Max shoulder diameter IR 52,4 mm da min - Min shoulder diameter IR 52 mm db - Min diameter for Sleeve 0 mm Da max - Max shoulder diameter OR 78,7 mm ra max - Max shaft & housing fillet radius 1 mm
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