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Spherical roller bearing, one-piece machined cage, groove and lubrication holes on outer ring, tapered bore 1:30
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 220 mm D - External diameter 340 mm B - Bearing/Inner ring width 118 mm D1 - Inner diameter outer ring 303,4 mm rs - Min fillet radius 3 mm Number of lubrication holes 3 ou 8 b - Groove width 14,06 mm k - Hole diameter 6 mm Associated sleeve reference H24044 Radial clearance class C3 Mass 37,8 kg
PRODUCT PERFORMANCE C - Dynamic load 1930 kN C0 - Static load 2750 kN Cu - Fatigue limit load 246 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 1200 tr/min N lim - Mechanical Limit Speed 1800 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) 10,102 Hz BPFI - Over rolling frequency on inner (60 rpm) 12,898 Hz BSF - Over rolling frequency on rolling element (60 rpm) 7,937 Hz BRF - Rotational frequency – rolling element (60 rpm) 3,969 Hz FTF - Rotational frequency - cage (60 rpm) 0,439 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 232,4 mm Da max - Max shoulder diameter OR 327,6 mm ra max - Max shaft & housing fillet radius 2,5 mm
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