Skip to Header Skip to Main Content Skip to Footer
Spherical roller bearing, pressed steel cage, tapered bore 1:12
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 30 mm D - External diameter 72 mm B - Bearing/Inner ring width 19 mm d2 - External diameter inner ring 40,8 mm D1 - Inner diameter outer ring 59,7 mm rs - Min fillet radius 1,1 mm Number of lubrication holes 0 b - Groove width 0 mm k - Hole diameter 0 mm Associated sleeve reference H306 Radial clearance class CN Mass 0,384 kg
PRODUCT PERFORMANCE C - Dynamic load 64,6 kN C0 - Static load 52,1 kN Cu - Fatigue limit load 6,1 kN e - Coefficient 0.28 Y0 - Static axial load coefficient 2.39 Y1 - Lower axial load coefficient 2.45 Y2 - Upper axial load coefficient 3.64 N ref - Reference thermal speed 7800 tr/min N lim - Mechanical Limit Speed 12000 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) 4,856 Hz BPFI - Over rolling frequency on inner (60 rpm) 7,144 Hz BSF - Over rolling frequency on rolling element (60 rpm) 4,973 Hz BRF - Rotational frequency – rolling element (60 rpm) 2,487 Hz FTF - Rotational frequency - cage (60 rpm) 0,405 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 37 mm db - Min diameter for Sleeve 33 mm Ce - Min length fro Sleeve 6 mm Da max - Max shoulder diameter OR 65 mm ra max - Max shaft & housing fillet radius 1 mm
Industry Calcul Factors 
