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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 30 mm D - External diameter 62 mm B - Bearing/Inner ring width 20 mm d2 - External diameter inner ring 37,5 mm D1 - Inner diameter outer ring 54,3 mm rs - Min fillet radius 1 mm Number of lubrication holes 3 b - Groove width 4,39 mm k - Hole diameter 2 mm Associated sleeve reference H306 Radial clearance class C4 Mass 0,26 kg
PRODUCT PERFORMANCE C - Dynamic load 75,7 kN C0 - Static load 64,5 kN Cu - Fatigue limit load 7,9 kN e - Coefficient 0.31 Y0 - Static axial load coefficient 2.1 Y1 - Lower axial load coefficient 2.15 Y2 - Upper axial load coefficient 3.2 N ref - Reference thermal speed 11000 tr/min N lim - Mechanical Limit Speed 14000 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) 6,147 Hz BPFI - Over rolling frequency on inner (60 rpm) 8,853 Hz BSF - Over rolling frequency on rolling element (60 rpm) 5,249 Hz BRF - Rotational frequency – rolling element (60 rpm) 2,625 Hz FTF - Rotational frequency - cage (60 rpm) 0,41 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 35,6 mm db - Min diameter for Sleeve 33 mm Ce - Min length fro Sleeve 5 mm Da max - Max shoulder diameter OR 56,4 mm ra max - Max shaft & housing fillet radius 1 mm
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