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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 70 mm D - External diameter 150 mm B - Bearing/Inner ring width 35 mm d2 - External diameter inner ring 91,3 mm D1 - Inner diameter outer ring 126,8 mm rs - Min fillet radius 2,1 mm Number of lubrication holes 0 b - Groove width 0 mm k - Hole diameter 0 mm Associated sleeve reference H314 Radial clearance class C3 Mass 2,95 kg
PRODUCT PERFORMANCE C - Dynamic load 246 kN C0 - Static load 240 kN Cu - Fatigue limit load 28,3 kN e - Coefficient 0.23 Y0 - Static axial load coefficient 2.83 Y1 - Lower axial load coefficient 2.9 Y2 - Upper axial load coefficient 4.31 N ref - Reference thermal speed 4200 tr/min N lim - Mechanical Limit Speed 5500 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) 6,266 Hz BPFI - Over rolling frequency on inner (60 rpm) 8,734 Hz BSF - Over rolling frequency on rolling element (60 rpm) 5,843 Hz BRF - Rotational frequency – rolling element (60 rpm) 2,922 Hz FTF - Rotational frequency - cage (60 rpm) 0,418 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 82 mm db - Min diameter for Sleeve 75 mm Ce - Min length fro Sleeve 6 mm Da max - Max shoulder diameter OR 138 mm ra max - Max shaft & housing fillet radius 2 mm
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