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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 45 mm D - External diameter 85 mm B - Bearing/Inner ring width 23 mm D1 - Inner diameter outer ring 75,6 mm rs - Min fillet radius 1,1 mm Number of lubrication holes 3 b - Groove width 5,83 mm k - Hole diameter 2,5 mm Radial clearance class C4 Mass 0,5 kg
PRODUCT PERFORMANCE C - Dynamic load 116 kN C0 - Static load 106 kN Cu - Fatigue limit load 12,9 kN e - Coefficient 0.26 Y0 - Static axial load coefficient 2.58 Y1 - Lower axial load coefficient 2.64 Y2 - Upper axial load coefficient 3.94 N ref - Reference thermal speed 7500 tr/min N lim - Mechanical Limit Speed 9800 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) 6,733 Hz BPFI - Over rolling frequency on inner (60 rpm) 9,267 Hz BSF - Over rolling frequency on rolling element (60 rpm) 6,068 Hz BRF - Rotational frequency – rolling element (60 rpm) 3,034 Hz FTF - Rotational frequency - cage (60 rpm) 0,421 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 52 mm Da max - Max shoulder diameter OR 78 mm ra max - Max shaft & housing fillet radius 1 mm
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