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Spherical roller bearing, one-piece machined 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 120 mm D - External diameter 260 mm B - Bearing/Inner ring width 86 mm d2 - External diameter inner ring 0 mm D1 - Inner diameter outer ring 224 mm rs - Min fillet radius 3 mm Number of lubrication holes 3 ou 4 b - Groove width 17,98 mm k - Hole diameter 8 mm Associated sleeve reference H2324 Radial clearance class C4 Mass 22,15 kg
PRODUCT PERFORMANCE C - Dynamic load 1170 kN C0 - Static load 1280 kN Cu - Fatigue limit load 127 kN e - Coefficient 0.32 Y0 - Static axial load coefficient 2.04 Y1 - Lower axial load coefficient 2.09 Y2 - Upper axial load coefficient 3.11 N ref - Reference thermal speed 2000 tr/min N lim - Mechanical Limit Speed 2500 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) 6,578 Hz BPFI - Over rolling frequency on inner (60 rpm) 9,422 Hz BSF - Over rolling frequency on rolling element (60 rpm) 5,328 Hz BRF - Rotational frequency – rolling element (60 rpm) 2,664 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 134 mm db - Min diameter for Sleeve 131 mm Ce - Min length fro Sleeve 7 mm Da max - Max shoulder diameter OR 246 mm ra max - Max shaft & housing fillet radius 2,5 mm
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