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Spherical roller bearing, polyamide cage, groove and lubrication holes on outer ring
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 23 mm d2 - External diameter inner ring 59,5 mm D1 - Inner diameter outer ring 80,7 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 C3 Mass 0,585 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 ref - Reference thermal speed 6700 tr/min N lim - Mechanical Limit Speed 9100 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) 10,37 Hz BSF - Over rolling frequency on rolling element (60 rpm) 6,341 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 0 mm da min - Min shoulder diameter IR 57 mm Da max - Max shoulder diameter OR 83 mm ra max - Max shaft & housing fillet radius 1 mm
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