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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 120 mm D - External diameter 180 mm B - Bearing/Inner ring width 46 mm D1 - Inner diameter outer ring 164,9 mm rs - Min fillet radius 2 mm Number of lubrication holes 3 b - Groove width 7,83 mm k - Hole diameter 3,5 mm Radial clearance class C2 Mass 3,99 kg
PRODUCT PERFORMANCE C - Dynamic load 446 kN C0 - Static load 577 kN Cu - Fatigue limit load 62 kN e - Coefficient 0.22 Y0 - Static axial load coefficient 3.07 Y1 - Lower axial load coefficient 3.14 Y2 - Upper axial load coefficient 4.67 N ref - Reference thermal speed 3300 tr/min N lim - Mechanical Limit Speed 3900 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) 11,151 Hz BPFI - Over rolling frequency on inner (60 rpm) 13,85 Hz BSF - Over rolling frequency on rolling element (60 rpm) 9,062 Hz BRF - Rotational frequency – rolling element (60 rpm) 4,531 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 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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