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Spherical roller bearing, one-piece machined cage, groove and lubrication holes on outer ring
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 100 mm D1 - Inner diameter outer ring 260,1 mm rs - Min fillet radius 2,1 mm Number of lubrication holes 3 ou 4 b - Groove width 11,59 mm k - Hole diameter 5 mm Radial clearance class C4 Mass 22,53 kg
PRODUCT PERFORMANCE C - Dynamic load 1310 kN C0 - Static load 1800 kN Cu - Fatigue limit load 169 kN e - Coefficient 0.31 Y0 - Static axial load coefficient 2.1 Y1 - Lower axial load coefficient 2.15 Y2 - Upper axial load coefficient 3.2 N ref - Reference thermal speed 1500 tr/min N lim - Mechanical Limit Speed 2100 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) 10,137 Hz BPFI - Over rolling frequency on inner (60 rpm) 12,863 Hz BSF - Over rolling frequency on rolling element (60 rpm) 8,144 Hz BRF - Rotational frequency – rolling element (60 rpm) 4,072 Hz FTF - Rotational frequency - cage (60 rpm) 0,441 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 200,2 mm Da max - Max shoulder diameter OR 279,8 mm ra max - Max shaft & housing fillet radius 2 mm
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