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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 120 mm D - External diameter 180 mm B - Bearing/Inner ring width 60 mm d2 - External diameter inner ring 130,6 mm D1 - Inner diameter outer ring 162,2 mm rs - Min fillet radius 2 mm Number of lubrication holes 3 b - Groove width 6,38 mm k - Hole diameter 3,5 mm Radial clearance class CN Mass 5,1 kg
PRODUCT PERFORMANCE C - Dynamic load 535 kN C0 - Static load 705 kN Cu - Fatigue limit load 76 kN e - Coefficient 0.3 Y0 - Static axial load coefficient 2.23 Y1 - Lower axial load coefficient 2.28 Y2 - Upper axial load coefficient 3.39 N ref - Reference thermal speed 2500 tr/min N lim - Mechanical Limit Speed 3400 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) 10,201 Hz BPFI - Over rolling frequency on inner (60 rpm) 12,799 Hz BSF - Over rolling frequency on rolling element (60 rpm) 8,572 Hz BRF - Rotational frequency – rolling element (60 rpm) 4,286 Hz FTF - Rotational frequency - cage (60 rpm) 0,444 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 128,8 mm Da max - Max shoulder diameter OR 171,2 mm ra max - Max shaft & housing fillet radius 2 mm
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