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Spherical roller bearing, pressed steel 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 65 mm D - External diameter 120 mm B - Bearing/Inner ring width 31 mm d2 - External diameter inner ring 78,2 mm D1 - Inner diameter outer ring 107 mm rs - Min fillet radius 1,5 mm Number of lubrication holes 3 b - Groove width 7,83 mm k - Hole diameter 3,5 mm Associated sleeve reference H313 Radial clearance class C3 Mass 1,45 kg
PRODUCT PERFORMANCE C - Dynamic load 226 kN C0 - Static load 224 kN Cu - Fatigue limit load 27,3 kN e - Coefficient 0.24 Y0 - Static axial load coefficient 2.73 Y1 - Lower axial load coefficient 2.79 Y2 - Upper axial load coefficient 4.15 N ref - Reference thermal speed 5300 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) 7,596 Hz BPFI - Over rolling frequency on inner (60 rpm) 10,404 Hz BSF - Over rolling frequency on rolling element (60 rpm) 6,175 Hz BRF - Rotational frequency – rolling element (60 rpm) 3,088 Hz FTF - Rotational frequency - cage (60 rpm) 0,422 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 74 mm db - Min diameter for Sleeve 70 mm Ce - Min length fro Sleeve 8 mm Da max - Max shoulder diameter OR 111 mm ra max - Max shaft & housing fillet radius 1,5 mm
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