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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 130 mm D - External diameter 210 mm B - Bearing/Inner ring width 64 mm D1 - Inner diameter outer ring 188,3 mm rs - Min fillet radius 2 mm Number of lubrication holes 3 b - Groove width 10,04 mm k - Hole diameter 4,5 mm Radial clearance class C3 Mass 8,5 kg
PRODUCT PERFORMANCE C - Dynamic load 710 kN C0 - Static load 906 kN Cu - Fatigue limit load 93,7 kN e - Coefficient 0.27 Y0 - Static axial load coefficient 2.46 Y1 - Lower axial load coefficient 2.51 Y2 - Upper axial load coefficient 3.74 N ref - Reference thermal speed 2400 tr/min N lim - Mechanical Limit Speed 3000 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) 9,643 Hz BPFI - Over rolling frequency on inner (60 rpm) 12,357 Hz BSF - Over rolling frequency on rolling element (60 rpm) 7,856 Hz BRF - Rotational frequency – rolling element (60 rpm) 3,928 Hz FTF - Rotational frequency - cage (60 rpm) 0,438 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 141 mm Da max - Max shoulder diameter OR 199 mm ra max - Max shaft & housing fillet radius 2 mm
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