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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 150 mm D - External diameter 225 mm B - Bearing/Inner ring width 75 mm d2 - External diameter inner ring 162,9 mm D1 - Inner diameter outer ring 202,8 mm rs - Min fillet radius 2,1 mm Number of lubrication holes 3 ou 4 b - Groove width 8,93 mm k - Hole diameter 4 mm Radial clearance class C4 Mass 10,04 kg
PRODUCT PERFORMANCE C - Dynamic load 832 kN C0 - Static load 1140 kN Cu - Fatigue limit load 115 kN e - Coefficient 0.3 Y0 - Static axial load coefficient 2.2 Y1 - Lower axial load coefficient 2.25 Y2 - Upper axial load coefficient 3.34 N ref - Reference thermal speed 1900 tr/min N lim - Mechanical Limit Speed 2700 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) 10,641 Hz BPFI - Over rolling frequency on inner (60 rpm) 13,359 Hz BSF - Over rolling frequency on rolling element (60 rpm) 8,547 Hz BRF - Rotational frequency – rolling element (60 rpm) 4,274 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 160,2 mm Da max - Max shoulder diameter OR 214,8 mm ra max - Max shaft & housing fillet radius 2 mm
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