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Spherical roller bearing for vibratory applications, one-piece machined cage, groove and lubrication holes on outer ring, tapered bore 1:12, special C4 class clearance
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 140 mm D - External diameter 300 mm B - Bearing/Inner ring width 102 mm d2 - External diameter inner ring 0 mm D1 - Inner diameter outer ring 260,3 mm rs - Min fillet radius 4 mm Number of lubrication holes 3 ou 4 b - Groove width 18,94 mm k - Hole diameter 9 mm Associated sleeve reference H2328 Radial clearance class C4 Special Mass 34,3 kg
PRODUCT PERFORMANCE C - Dynamic load 1540 kN C0 - Static load 1720 kN Cu - Fatigue limit load 163 kN e - Coefficient 0.33 Y0 - Static axial load coefficient 1.98 Y1 - Lower axial load coefficient 2.03 Y2 - Upper axial load coefficient 3.02 N ref - Reference thermal speed 1600 tr/min N lim - Mechanical Limit Speed 2200 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) 6,574 Hz BPFI - Over rolling frequency on inner (60 rpm) 9,426 Hz BSF - Over rolling frequency on rolling element (60 rpm) 5,303 Hz BRF - Rotational frequency – rolling element (60 rpm) 2,652 Hz FTF - Rotational frequency - cage (60 rpm) 0,411 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 157 mm db - Min diameter for Sleeve 152 mm Ce - Min length fro Sleeve 8 mm Da max - Max shoulder diameter OR 283 mm ra max - Max shaft & housing fillet radius 3 mm
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