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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 30 mm D - External diameter 62 mm B - Bearing/Inner ring width 20 mm D1 - Inner diameter outer ring 54,3 mm rs - Min fillet radius 1 mm Number of lubrication holes 3 b - Groove width 4,39 mm k - Hole diameter 2 mm Radial clearance class C4 Mass 0,276 kg
PRODUCT PERFORMANCE C - Dynamic load 71,9 kN C0 - Static load 60,2 kN Cu - Fatigue limit load 7,3 kN e - Coefficient 0.31 Y0 - Static axial load coefficient 2.1 Y1 - Lower axial load coefficient 2.15 Y2 - Upper axial load coefficient 3.2 N ref - Reference thermal speed 11000 tr/min N lim - Mechanical Limit Speed 14000 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) 5,737 Hz BPFI - Over rolling frequency on inner (60 rpm) 8,263 Hz BSF - Over rolling frequency on rolling element (60 rpm) 5,249 Hz BRF - Rotational frequency – rolling element (60 rpm) 2,625 Hz FTF - Rotational frequency - cage (60 rpm) 0,41 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 35,6 mm Da max - Max shoulder diameter OR 56,4 mm ra max - Max shaft & housing fillet radius 1 mm
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