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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 140 mm D - External diameter 210 mm B - Bearing/Inner ring width 69 mm d2 - External diameter inner ring 152,9 mm D1 - Inner diameter outer ring 188,2 mm rs - Min fillet radius 2 mm Number of lubrication holes 3 b - Groove width 8,9 mm k - Hole diameter 4 mm Radial clearance class C3 Mass 8,03 kg
PRODUCT PERFORMANCE C - Dynamic load 704 kN C0 - Static load 958 kN Cu - Fatigue limit load 98,6 kN e - Coefficient 0.28 Y0 - Static axial load coefficient 2.34 Y1 - Lower axial load coefficient 2.39 Y2 - Upper axial load coefficient 3.56 N ref - Reference thermal speed 2100 tr/min N lim - Mechanical Limit Speed 2900 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) 10,667 Hz BPFI - Over rolling frequency on inner (60 rpm) 13,333 Hz BSF - Over rolling frequency on rolling element (60 rpm) 8,74 Hz BRF - Rotational frequency – rolling element (60 rpm) 4,37 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 148,8 mm Da max - Max shoulder diameter OR 201,2 mm ra max - Max shaft & housing fillet radius 2 mm
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