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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 55 mm D - External diameter 120 mm B - Bearing/Inner ring width 29 mm d2 - External diameter inner ring 73,6 mm D1 - Inner diameter outer ring 102 mm rs - Min fillet radius 2 mm Number of lubrication holes 0 b - Groove width 0 mm k - Hole diameter 0 mm Associated sleeve reference H311 Radial clearance class C3 Mass 1,52 kg
PRODUCT PERFORMANCE C - Dynamic load 172 kN C0 - Static load 164 kN Cu - Fatigue limit load 20 kN e - Coefficient 0.24 Y0 - Static axial load coefficient 2.76 Y1 - Lower axial load coefficient 2.83 Y2 - Upper axial load coefficient 4.21 N ref - Reference thermal speed 5000 tr/min N lim - Mechanical Limit Speed 6900 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) 6,26 Hz BPFI - Over rolling frequency on inner (60 rpm) 8,74 Hz BSF - Over rolling frequency on rolling element (60 rpm) 5,81 Hz BRF - Rotational frequency – rolling element (60 rpm) 2,905 Hz FTF - Rotational frequency - cage (60 rpm) 0,417 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 66 mm db - Min diameter for Sleeve 60 mm Ce - Min length fro Sleeve 6 mm Da max - Max shoulder diameter OR 109 mm ra max - Max shaft & housing fillet radius 2 mm
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