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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 120 mm D - External diameter 215 mm B - Bearing/Inner ring width 76 mm d2 - External diameter inner ring 139,9 mm D1 - Inner diameter outer ring 189 mm rs - Min fillet radius 2,1 mm Number of lubrication holes 3 b - Groove width 11,01 mm k - Hole diameter 5 mm Radial clearance class C4 Mass 11,89 kg
PRODUCT PERFORMANCE C - Dynamic load 857 kN C0 - Static load 998 kN Cu - Fatigue limit load 104 kN e - Coefficient 0.32 Y0 - Static axial load coefficient 2.04 Y1 - Lower axial load coefficient 2.09 Y2 - Upper axial load coefficient 3.11 N ref - Reference thermal speed 2100 tr/min N lim - Mechanical Limit Speed 2800 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) 7,624 Hz BPFI - Over rolling frequency on inner (60 rpm) 10,376 Hz BSF - Over rolling frequency on rolling element (60 rpm) 6,244 Hz BRF - Rotational frequency – rolling element (60 rpm) 3,122 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 132 mm Da max - Max shoulder diameter OR 203 mm ra max - Max shaft & housing fillet radius 2 mm
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