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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 160 mm D - External diameter 270 mm B - Bearing/Inner ring width 109 mm d2 - External diameter inner ring 179,574 mm D1 - Inner diameter outer ring 233,4 mm rs - Min fillet radius 2,1 mm Number of lubrication holes 3 ou 4 b - Groove width 14,14 mm k - Hole diameter 6 mm Associated sleeve reference AH24132 Radial clearance class CN Mass 24,18 kg
PRODUCT PERFORMANCE C - Dynamic load 1320 kN C0 - Static load 1770 kN Cu - Fatigue limit load 171 kN e - Coefficient 0.37 Y0 - Static axial load coefficient 1.79 Y1 - Lower axial load coefficient 1.83 Y2 - Upper axial load coefficient 2.72 N ref - Reference thermal speed 1400 tr/min N lim - Mechanical Limit Speed 1900 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) 8,715 Hz BPFI - Over rolling frequency on inner (60 rpm) 11,285 Hz BSF - Over rolling frequency on rolling element (60 rpm) 7,431 Hz BRF - Rotational frequency – rolling element (60 rpm) 3,716 Hz FTF - Rotational frequency - cage (60 rpm) 0,436 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 172 mm Da max - Max shoulder diameter OR 258 mm ra max - Max shaft & housing fillet radius 2 mm
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