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Spherical roller bearing, pressed steel cage, groove and lubrication holes on outer ring, tapered bore 1:12
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 35 mm D - External diameter 72 mm B - Bearing/Inner ring width 23 mm d2 - External diameter inner ring 45,1 mm D1 - Inner diameter outer ring 63 mm rs - Min fillet radius 1,1 mm Number of lubrication holes 3 b - Groove width 4,9 mm k - Hole diameter 2 mm Associated sleeve reference H307 Radial clearance class C4 Mass 0,42 kg
PRODUCT PERFORMANCE C - Dynamic load 100 kN C0 - Static load 92 kN Cu - Fatigue limit load 11,2 kN e - Coefficient 0.31 Y0 - Static axial load coefficient 2.16 Y1 - Lower axial load coefficient 2.21 Y2 - Upper axial load coefficient 3.29 N ref - Reference thermal speed 9500 tr/min N lim - Mechanical Limit Speed 12000 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) 6,675 Hz BPFI - Over rolling frequency on inner (60 rpm) 9,325 Hz BSF - Over rolling frequency on rolling element (60 rpm) 5,753 Hz BRF - Rotational frequency – rolling element (60 rpm) 2,877 Hz FTF - Rotational frequency - cage (60 rpm) 0,417 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 42 mm db - Min diameter for Sleeve 39 mm Ce - Min length fro Sleeve 5 mm Da max - Max shoulder diameter OR 65 mm ra max - Max shaft & housing fillet radius 1 mm
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