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Spherical roller bearing, with central rib on inner ring, pressed steel cage, groove and lubrication holes on outer ring, tapered bore 1:30
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 170 mm D - External diameter 280 mm B - Bearing/Inner ring width 109 mm d2 - External diameter inner ring 191,501 mm D1 - Inner diameter outer ring 243,9 mm rs - Min fillet radius 2,1 mm Number of lubrication holes 3 ou 4 b - Groove width 14,139 mm k - Hole diameter 6 mm Associated sleeve reference AH24134 Radial clearance class C3 Mass 25,47 kg
PRODUCT PERFORMANCE C - Dynamic load 1370 kN C0 - Static load 1900 kN Cu - Fatigue limit load 181 kN e - Coefficient 0.35 Y0 - Static axial load coefficient 1.87 Y1 - Lower axial load coefficient 1.91 Y2 - Upper axial load coefficient 2.85 N ref - Reference thermal speed 1300 tr/min N lim - Mechanical Limit Speed 1800 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) 9,223 Hz BPFI - Over rolling frequency on inner (60 rpm) 11,777 Hz BSF - Over rolling frequency on rolling element (60 rpm) 7,887 Hz BRF - Rotational frequency – rolling element (60 rpm) 3,944 Hz FTF - Rotational frequency - cage (60 rpm) 0,439 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 182 mm Da max - Max shoulder diameter OR 268 mm ra max - Max shaft & housing fillet radius 2 mm
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