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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 80 mm D - External diameter 140 mm B - Bearing/Inner ring width 33 mm D1 - Inner diameter outer ring 126,7 mm rs - Min fillet radius 2 mm Number of lubrication holes 3 b - Groove width 7,87 mm k - Hole diameter 3,5 mm Radial clearance class C4 Mass 2,157 kg
PRODUCT PERFORMANCE C - Dynamic load 267 kN C0 - Static load 272 kN Cu - Fatigue limit load 32 kN e - Coefficient 0.22 Y0 - Static axial load coefficient 3.06 Y1 - Lower axial load coefficient 3.13 Y2 - Upper axial load coefficient 4.67 N ref - Reference thermal speed 4300 tr/min N lim - Mechanical Limit Speed 5800 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) 7,695 Hz BPFI - Over rolling frequency on inner (60 rpm) 10,305 Hz BSF - Over rolling frequency on rolling element (60 rpm) 6,681 Hz BRF - Rotational frequency – rolling element (60 rpm) 3,341 Hz FTF - Rotational frequency - cage (60 rpm) 0,427 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 91 mm Da max - Max shoulder diameter OR 129 mm ra max - Max shaft & housing fillet radius 2 mm
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