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Spherical roller bearing, one-piece machined cage, groove and lubrication holes on outer ring, 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 150 mm D - External diameter 225 mm B - Bearing/Inner ring width 56 mm D1 - Inner diameter outer ring 206,6 mm rs - Min fillet radius 2,1 mm Number of lubrication holes 3 ou 4 b - Groove width 9,96 mm k - Hole diameter 4,5 mm Associated sleeve reference H3030 Radial clearance class C4 Mass 7,5 kg
PRODUCT PERFORMANCE C - Dynamic load 660 kN C0 - Static load 893 kN Cu - Fatigue limit load 89,7 kN e - Coefficient 0.21 Y0 - Static axial load coefficient 3.13 Y1 - Lower axial load coefficient 3.2 Y2 - Upper axial load coefficient 4.77 N ref - Reference thermal speed 2600 tr/min N lim - Mechanical Limit Speed 3100 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) 11,63 Hz BPFI - Over rolling frequency on inner (60 rpm) 14,37 Hz BSF - Over rolling frequency on rolling element (60 rpm) 9,295 Hz BRF - Rotational frequency – rolling element (60 rpm) 4,648 Hz FTF - Rotational frequency - cage (60 rpm) 0,447 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 160,2 mm db - Min diameter for Sleeve 158 mm Ce - Min length fro Sleeve 8 mm Da max - Max shoulder diameter OR 214,8 mm ra max - Max shaft & housing fillet radius 2 mm
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