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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 200 mm D - External diameter 310 mm B - Bearing/Inner ring width 82 mm D1 - Inner diameter outer ring 282,3 mm rs - Min fillet radius 2,1 mm Number of lubrication holes 3 ou 4 b - Groove width 14,28 mm k - Hole diameter 7 mm Radial clearance class C3 Mass 24,1 kg
PRODUCT PERFORMANCE C - Dynamic load 1310 kN C0 - Static load 1790 kN Cu - Fatigue limit load 164 kN e - Coefficient 0.23 Y0 - Static axial load coefficient 2.89 Y1 - Lower axial load coefficient 2.95 Y2 - Upper axial load coefficient 4.4 N ref - Reference thermal speed 1800 tr/min N lim - Mechanical Limit Speed 2300 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) 10,602 Hz BPFI - Over rolling frequency on inner (60 rpm) 13,398 Hz BSF - Over rolling frequency on rolling element (60 rpm) 8,373 Hz BRF - Rotational frequency – rolling element (60 rpm) 4,187 Hz FTF - Rotational frequency - cage (60 rpm) 0,442 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 210,2 mm Da max - Max shoulder diameter OR 299,8 mm ra max - Max shaft & housing fillet radius 2 mm
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