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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 160 mm D - External diameter 240 mm B - Bearing/Inner ring width 80 mm d2 - External diameter inner ring 173,8 mm D1 - Inner diameter outer ring 216,2 mm rs - Min fillet radius 2,1 mm Number of lubrication holes 3 b - Groove width 9,48 mm k - Hole diameter 4,5 mm Radial clearance class C2 Mass 11,84 kg
PRODUCT PERFORMANCE C - Dynamic load 953 kN C0 - Static load 1320 kN Cu - Fatigue limit load 130 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 1800 tr/min N lim - Mechanical Limit Speed 2600 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) 10,625 Hz BPFI - Over rolling frequency on inner (60 rpm) 13,375 Hz BSF - Over rolling frequency on rolling element (60 rpm) 8,455 Hz BRF - Rotational frequency – rolling element (60 rpm) 4,228 Hz FTF - Rotational frequency - cage (60 rpm) 0,443 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 170,2 mm Da max - Max shoulder diameter OR 229,8 mm ra max - Max shaft & housing fillet radius 2 mm
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