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Spherical roller bearing, pressed steel 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 130 mm D - External diameter 200 mm B - Bearing/Inner ring width 69 mm d2 - External diameter inner ring 143 mm D1 - Inner diameter outer ring 178,6 mm rs - Min fillet radius 2 mm Number of lubrication holes 3 b - Groove width 8,34 mm k - Hole diameter 4 mm Radial clearance class CN Mass 7,5 kg
PRODUCT PERFORMANCE C - Dynamic load 684 kN C0 - Static load 909 kN Cu - Fatigue limit load 95,1 kN e - Coefficient 0.31 Y0 - Static axial load coefficient 2.13 Y1 - Lower axial load coefficient 2.18 Y2 - Upper axial load coefficient 3.25 N ref - Reference thermal speed 2300 tr/min N lim - Mechanical Limit Speed 3100 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) 10,155 Hz BPFI - Over rolling frequency on inner (60 rpm) 12,845 Hz BSF - Over rolling frequency on rolling element (60 rpm) 8,257 Hz BRF - Rotational frequency – rolling element (60 rpm) 4,129 Hz FTF - Rotational frequency - cage (60 rpm) 0,442 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 140 mm Da max - Max shoulder diameter OR 190 mm ra max - Max shaft & housing fillet radius 2 mm
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