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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 85 mm D - External diameter 180 mm B - Bearing/Inner ring width 60 mm d2 - External diameter inner ring 0 mm D1 - Inner diameter outer ring 156,7 mm rs - Min fillet radius 3 mm Number of lubrication holes 3 b - Groove width 10,98 mm k - Hole diameter 5 mm Radial clearance class C4 Mass 7,16 kg
PRODUCT PERFORMANCE C - Dynamic load 599 kN C0 - Static load 604 kN Cu - Fatigue limit load 67 kN e - Coefficient 0.32 Y0 - Static axial load coefficient 2.04 Y1 - Lower axial load coefficient 2.09 Y2 - Upper axial load coefficient 3.11 N ref - Reference thermal speed 3200 tr/min N lim - Mechanical Limit Speed 3600 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) 6,111 Hz BPFI - Over rolling frequency on inner (60 rpm) 8,889 Hz BSF - Over rolling frequency on rolling element (60 rpm) 5,096 Hz BRF - Rotational frequency – rolling element (60 rpm) 2,548 Hz FTF - Rotational frequency - cage (60 rpm) 0,407 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 99 mm Da max - Max shoulder diameter OR 166 mm ra max - Max shaft & housing fillet radius 2,5 mm
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