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Spherical roller bearing, pressed steel cage, groove and lubrication holes on outer ring, tapered bore 1:12, non ISO width, contact seals on both sides
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 40 mm D - External diameter 80 mm B - Bearing/Inner ring width 28 mm d2 - External diameter inner ring 47,8 mm D1 - Inner diameter outer ring 73,8 mm rs - Min fillet radius 1,1 mm Number of lubrication holes 3 b - Groove width 5,38 mm k - Hole diameter 2,5 mm Associated sleeve reference H2308E Radial clearance class CN Mass 0,597 kg
PRODUCT PERFORMANCE C - Dynamic load 116 kN C0 - Static load 105 kN Cu - Fatigue limit load 12,8 kN e - Coefficient 0.27 Y0 - Static axial load coefficient 2.41 Y1 - Lower axial load coefficient 2.47 Y2 - Upper axial load coefficient 3.68 N lim - Mechanical Limit Speed 2300 tr/min Tmin - Min operating temperature -20 °C Tmax - Max operating temperature 120 °C
BEARING FREQUENCIES BPFO - Over rolling frequency on outer ring (60 rpm) 6,641 Hz BPFI - Over rolling frequency on inner (60 rpm) 9,359 Hz BSF - Over rolling frequency on rolling element (60 rpm) 5,625 Hz BRF - Rotational frequency – rolling element (60 rpm) 2,813 Hz FTF - Rotational frequency - cage (60 rpm) 0,415 Hz
ABUTMENT da max - Max shoulder diameter IR 47,8 mm da min - Min shoulder diameter IR 45,1 mm db - Min diameter for Sleeve 45 mm Ce - Min length fro Sleeve 10 mm Da max - Max shoulder diameter OR 73,9 mm ra max - Max shaft & housing fillet radius 1 mm
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