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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 370 mm B - Bearing/Inner ring width 150 mm D1 - Inner diameter outer ring 320,3 mm rs - Min fillet radius 4 mm Number of lubrication holes 3 ou 8 b - Groove width 15,9 mm k - Hole diameter 7 mm Associated sleeve reference H24144 Radial clearance class C3 Mass 62,5 kg
PRODUCT PERFORMANCE C - Dynamic load 2600 kN C0 - Static load 3540 kN Cu - Fatigue limit load 311 kN e - Coefficient 0.39 Y0 - Static axial load coefficient 1.7 Y1 - Lower axial load coefficient 1.74 Y2 - Upper axial load coefficient 2.59 N ref - Reference thermal speed 850 tr/min N lim - Mechanical Limit Speed 1400 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) 8,161 Hz BPFI - Over rolling frequency on inner (60 rpm) 10,839 Hz BSF - Over rolling frequency on rolling element (60 rpm) 6,735 Hz BRF - Rotational frequency – rolling element (60 rpm) 3,368 Hz FTF - Rotational frequency - cage (60 rpm) 0,43 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 237 mm Da max - Max shoulder diameter OR 353 mm ra max - Max shaft & housing fillet radius 3 mm
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