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Spherical roller bearing, one-piece machined 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 55 mm D - External diameter 120 mm B - Bearing/Inner ring width 43 mm d2 - External diameter inner ring 0 mm D1 - Inner diameter outer ring 102,9 mm rs - Min fillet radius 2 mm Number of lubrication holes 3 b - Groove width 7,83 mm k - Hole diameter 3,5 mm Radial clearance class C4 Mass 2,34 kg
PRODUCT PERFORMANCE C - Dynamic load 296 kN C0 - Static load 274 kN Cu - Fatigue limit load 33,4 kN e - Coefficient 0.36 Y0 - Static axial load coefficient 1.83 Y1 - Lower axial load coefficient 1.87 Y2 - Upper axial load coefficient 2.79 N ref - Reference thermal speed 4600 tr/min N lim - Mechanical Limit Speed 5600 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) 5,61 Hz BPFI - Over rolling frequency on inner (60 rpm) 8,39 Hz BSF - Over rolling frequency on rolling element (60 rpm) 4,703 Hz BRF - Rotational frequency – rolling element (60 rpm) 2,352 Hz FTF - Rotational frequency - cage (60 rpm) 0,401 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 66 mm Da max - Max shoulder diameter OR 109 mm ra max - Max shaft & housing fillet radius 2 mm
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