Skip to Header Skip to Main Content Skip to Footer
Spherical roller bearing, pressed steel 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 260 mm D - External diameter 400 mm B - Bearing/Inner ring width 140 mm d2 - External diameter inner ring 286,2 mm D1 - Inner diameter outer ring 353,9 mm rs - Min fillet radius 4 mm Number of lubrication holes 3 ou 8 b - Groove width 19,3 mm k - Hole diameter 8 mm Radial clearance class CN Mass 62,42 kg
PRODUCT PERFORMANCE C - Dynamic load 2520 kN C0 - Static load 3820 kN Cu - Fatigue limit load 325 kN e - Coefficient 0.31 Y0 - Static axial load coefficient 2.12 Y1 - Lower axial load coefficient 2.16 Y2 - Upper axial load coefficient 3.22 N ref - Reference thermal speed 950 tr/min N lim - Mechanical Limit Speed 1600 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) 10,642 Hz BPFI - Over rolling frequency on inner (60 rpm) 13,358 Hz BSF - Over rolling frequency on rolling element (60 rpm) 8,537 Hz BRF - Rotational frequency – rolling element (60 rpm) 4,269 Hz FTF - Rotational frequency - cage (60 rpm) 0,443 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 275 mm Da max - Max shoulder diameter OR 385 mm ra max - Max shaft & housing fillet radius 3 mm
Industry Calcul Factors 
