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Spherical roller bearing, pressed steel cage
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 110 mm B - Bearing/Inner ring width 27 mm d2 - External diameter inner ring 66,8 mm D1 - Inner diameter outer ring 92,4 mm rs - Min fillet radius 2 mm Number of lubrication holes 0 b - Groove width 0 mm k - Hole diameter 0 mm Radial clearance class CN Mass 1,251 kg
PRODUCT PERFORMANCE C - Dynamic load 142 kN C0 - Static load 134 kN Cu - Fatigue limit load 16,3 kN e - Coefficient 0.25 Y0 - Static axial load coefficient 2.65 Y1 - Lower axial load coefficient 2.71 Y2 - Upper axial load coefficient 4.04 N ref - Reference thermal speed 5400 tr/min N lim - Mechanical Limit Speed 7600 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) 6,271 Hz BPFI - Over rolling frequency on inner (60 rpm) 8,729 Hz BSF - Over rolling frequency on rolling element (60 rpm) 5,861 Hz BRF - Rotational frequency – rolling element (60 rpm) 2,931 Hz FTF - Rotational frequency - cage (60 rpm) 0,418 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 61 mm Da max - Max shoulder diameter OR 99 mm ra max - Max shaft & housing fillet radius 2 mm
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