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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 230 mm B - Bearing/Inner ring width 64 mm d2 - External diameter inner ring 151,4 mm D1 - Inner diameter outer ring 205,4 mm rs - Min fillet radius 3 mm Number of lubrication holes 3 ou 4 b - Groove width 13,21 mm k - Hole diameter 6 mm Radial clearance class CN Mass 10,771 kg
PRODUCT PERFORMANCE C - Dynamic load 808 kN C0 - Static load 898 kN Cu - Fatigue limit load 91,4 kN e - Coefficient 0.25 Y0 - Static axial load coefficient 2.63 Y1 - Lower axial load coefficient 2.69 Y2 - Upper axial load coefficient 4 N ref - Reference thermal speed 2800 tr/min N lim - Mechanical Limit Speed 3600 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) 7,606 Hz BPFI - Over rolling frequency on inner (60 rpm) 10,394 Hz BSF - Over rolling frequency on rolling element (60 rpm) 6,213 Hz BRF - Rotational frequency – rolling element (60 rpm) 3,107 Hz FTF - Rotational frequency - cage (60 rpm) 0,423 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 144 mm Da max - Max shoulder diameter OR 216 mm ra max - Max shaft & housing fillet radius 2,5 mm
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