Skip to Header Skip to Main Content Skip to Footer
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 109 mm D1 - Inner diameter outer ring 283,3 mm rs - Min fillet radius 2,1 mm Number of lubrication holes 3 ou 4 b - Groove width 12,67 mm k - Hole diameter 6 mm Radial clearance class C3 Mass 29,2 kg
PRODUCT PERFORMANCE C - Dynamic load 1520 kN C0 - Static load 2120 kN Cu - Fatigue limit load 195 kN e - Coefficient 0.33 Y0 - Static axial load coefficient 2.01 Y1 - Lower axial load coefficient 2.06 Y2 - Upper axial load coefficient 3.07 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) 10,136 Hz BPFI - Over rolling frequency on inner (60 rpm) 12,864 Hz BSF - Over rolling frequency on rolling element (60 rpm) 8,121 Hz BRF - Rotational frequency – rolling element (60 rpm) 4,061 Hz FTF - Rotational frequency - cage (60 rpm) 0,441 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
Industry Calcul Factors 
