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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 190 mm D - External diameter 320 mm B - Bearing/Inner ring width 128 mm d2 - External diameter inner ring 214,537 mm D1 - Inner diameter outer ring 276,4 mm rs - Min fillet radius 3 mm Number of lubrication holes 3 ou 8 b - Groove width 16,642 mm k - Hole diameter 8 mm Associated sleeve reference AH24138 Radial clearance class CN Mass 40,05 kg
PRODUCT PERFORMANCE C - Dynamic load 1830 kN C0 - Static load 2580 kN Cu - Fatigue limit load 236 kN e - Coefficient 0.37 Y0 - Static axial load coefficient 1.8 Y1 - Lower axial load coefficient 1.84 Y2 - Upper axial load coefficient 2.74 N ref - Reference thermal speed 1100 tr/min N lim - Mechanical Limit Speed 1600 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) 9,175 Hz BPFI - Over rolling frequency on inner (60 rpm) 11,825 Hz BSF - Over rolling frequency on rolling element (60 rpm) 7,573 Hz BRF - Rotational frequency – rolling element (60 rpm) 3,787 Hz FTF - Rotational frequency - cage (60 rpm) 0,437 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 204 mm Da max - Max shoulder diameter OR 306 mm ra max - Max shaft & housing fillet radius 2,5 mm
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