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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 190 mm D - External diameter 290 mm B - Bearing/Inner ring width 75 mm D1 - Inner diameter outer ring 265,1 mm rs - Min fillet radius 2,1 mm Number of lubrication holes 3 ou 4 b - Groove width 13,24 mm k - Hole diameter 6 mm Associated sleeve reference H3038 Radial clearance class C4 Mass 17,47 kg
PRODUCT PERFORMANCE C - Dynamic load 1140 kN C0 - Static load 1570 kN Cu - Fatigue limit load 147 kN e - Coefficient 0.22 Y0 - Static axial load coefficient 2.94 Y1 - Lower axial load coefficient 3.01 Y2 - Upper axial load coefficient 4.48 N ref - Reference thermal speed 1900 tr/min N lim - Mechanical Limit Speed 2400 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) 11,105 Hz BPFI - Over rolling frequency on inner (60 rpm) 13,895 Hz BSF - Over rolling frequency on rolling element (60 rpm) 8,751 Hz BRF - Rotational frequency – rolling element (60 rpm) 4,376 Hz FTF - Rotational frequency - cage (60 rpm) 0,444 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 200,2 mm db - Min diameter for Sleeve 199 mm Ce - Min length fro Sleeve 9 mm Da max - Max shoulder diameter OR 279,8 mm ra max - Max shaft & housing fillet radius 2 mm
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