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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 200 mm D - External diameter 360 mm B - Bearing/Inner ring width 128 mm D1 - Inner diameter outer ring 314,8 mm rs - Min fillet radius 4 mm Number of lubrication holes 3 ou 8 b - Groove width 18,77 mm k - Hole diameter 9 mm Radial clearance class C3 Mass 55,8 kg
PRODUCT PERFORMANCE C - Dynamic load 2250 kN C0 - Static load 2840 kN Cu - Fatigue limit load 253 kN e - Coefficient 0.34 Y0 - Static axial load coefficient 1.93 Y1 - Lower axial load coefficient 1.98 Y2 - Upper axial load coefficient 2.94 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) 7,621 Hz BPFI - Over rolling frequency on inner (60 rpm) 10,379 Hz BSF - Over rolling frequency on rolling element (60 rpm) 6,212 Hz BRF - Rotational frequency – rolling element (60 rpm) 3,106 Hz FTF - Rotational frequency - cage (60 rpm) 0,423 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 217 mm Da max - Max shoulder diameter OR 343 mm ra max - Max shaft & housing fillet radius 3 mm
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