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Spherical roller bearing, pressed steel 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 170 mm D - External diameter 260 mm B - Bearing/Inner ring width 90 mm d2 - External diameter inner ring 202,84 mm D1 - Inner diameter outer ring 230,9 mm rs - Min fillet radius 2,1 mm Number of lubrication holes 3 b - Groove width 11,989 mm k - Hole diameter 5 mm Radial clearance class CN Mass 16,8 kg
PRODUCT PERFORMANCE C - Dynamic load 1100 kN C0 - Static load 1600 kN Cu - Fatigue limit load 154 kN e - Coefficient 0.3 Y0 - Static axial load coefficient 2.18 Y1 - Lower axial load coefficient 2.23 Y2 - Upper axial load coefficient 3.32 N ref - Reference thermal speed 1600 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) 11,146 Hz BPFI - Over rolling frequency on inner (60 rpm) 13,854 Hz BSF - Over rolling frequency on rolling element (60 rpm) 8,944 Hz BRF - Rotational frequency – rolling element (60 rpm) 4,472 Hz FTF - Rotational frequency - cage (60 rpm) 0,446 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 180,2 mm Da max - Max shoulder diameter OR 249,8 mm ra max - Max shaft & housing fillet radius 2 mm
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