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Spherical roller bearing, one-piece machined 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 240 mm D - External diameter 360 mm B - Bearing/Inner ring width 118 mm D1 - Inner diameter outer ring 323 mm rs - Min fillet radius 3 mm Number of lubrication holes 3 ou 8 b - Groove width 15,31 mm k - Hole diameter 7 mm Associated sleeve reference H24048 Radial clearance class C4 Mass 41 kg
PRODUCT PERFORMANCE C - Dynamic load 2020 kN C0 - Static load 3050 kN Cu - Fatigue limit load 267 kN e - Coefficient 0.29 Y0 - Static axial load coefficient 2.26 Y1 - Lower axial load coefficient 2.32 Y2 - Upper axial load coefficient 3.45 N ref - Reference thermal speed 1100 tr/min N lim - Mechanical Limit Speed 1700 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) 11,122 Hz BPFI - Over rolling frequency on inner (60 rpm) 13,878 Hz BSF - Over rolling frequency on rolling element (60 rpm) 8,796 Hz BRF - Rotational frequency – rolling element (60 rpm) 4,398 Hz FTF - Rotational frequency - cage (60 rpm) 0,445 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 252,4 mm Da max - Max shoulder diameter OR 347,6 mm ra max - Max shaft & housing fillet radius 2,5 mm
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