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Spherical roller bearing, pressed steel cage
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 80 mm D - External diameter 170 mm B - Bearing/Inner ring width 39 mm d2 - External diameter inner ring 104,3 mm D1 - Inner diameter outer ring 144,6 mm rs - Min fillet radius 2,1 mm Number of lubrication holes 0 b - Groove width 0 mm k - Hole diameter 0 mm Radial clearance class C3 Mass 4,26 kg
PRODUCT PERFORMANCE C - Dynamic load 300 kN C0 - Static load 296 kN Cu - Fatigue limit load 33,6 kN e - Coefficient 0.23 Y0 - Static axial load coefficient 2.89 Y1 - Lower axial load coefficient 2.95 Y2 - Upper axial load coefficient 4.39 N ref - Reference thermal speed 3800 tr/min N lim - Mechanical Limit Speed 4900 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) 6,271 Hz BPFI - Over rolling frequency on inner (60 rpm) 8,729 Hz BSF - Over rolling frequency on rolling element (60 rpm) 5,871 Hz BRF - Rotational frequency – rolling element (60 rpm) 2,936 Hz FTF - Rotational frequency - cage (60 rpm) 0,418 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 92 mm Da max - Max shoulder diameter OR 158 mm ra max - Max shaft & housing fillet radius 2 mm
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