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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 240 mm D - External diameter 360 mm B - Bearing/Inner ring width 92 mm D1 - Inner diameter outer ring 328,9 mm rs - Min fillet radius 3 mm Number of lubrication holes 3 ou 8 b - Groove width 16,39 mm k - Hole diameter 8 mm Radial clearance class C2 Mass 32,25 kg
PRODUCT PERFORMANCE C - Dynamic load 1630 kN C0 - Static load 2350 kN Cu - Fatigue limit load 205 kN e - Coefficient 0.22 Y0 - Static axial load coefficient 3.01 Y1 - Lower axial load coefficient 3.07 Y2 - Upper axial load coefficient 4.58 N ref - Reference thermal speed 1400 tr/min N lim - Mechanical Limit Speed 2000 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) 11,607 Hz BPFI - Over rolling frequency on inner (60 rpm) 14,393 Hz BSF - Over rolling frequency on rolling element (60 rpm) 9,13 Hz BRF - Rotational frequency – rolling element (60 rpm) 4,565 Hz FTF - Rotational frequency - cage (60 rpm) 0,446 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 252,4 mm Da max - Max shoulder diameter OR 347,6 mm ra max - Max shaft & housing fillet radius 2,5 mm
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