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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 70 mm D - External diameter 125 mm B - Bearing/Inner ring width 31 mm d2 - External diameter inner ring 84,1 mm D1 - Inner diameter outer ring 112,7 mm rs - Min fillet radius 1,5 mm Number of lubrication holes 3 b - Groove width 7,37 mm k - Hole diameter 3,5 mm Associated sleeve reference H314 Radial clearance class C4 Mass 1,52 kg
PRODUCT PERFORMANCE C - Dynamic load 235 kN C0 - Static load 240 kN Cu - Fatigue limit load 29,3 kN e - Coefficient 0.22 Y0 - Static axial load coefficient 2.94 Y1 - Lower axial load coefficient 3.01 Y2 - Upper axial load coefficient 4.48 N ref - Reference thermal speed 4900 tr/min N lim - Mechanical Limit Speed 6500 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) 8,101 Hz BPFI - Over rolling frequency on inner (60 rpm) 10,899 Hz BSF - Over rolling frequency on rolling element (60 rpm) 6,573 Hz BRF - Rotational frequency – rolling element (60 rpm) 3,287 Hz FTF - Rotational frequency - cage (60 rpm) 0,426 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 79 mm db - Min diameter for Sleeve 75 mm Ce - Min length fro Sleeve 9 mm Da max - Max shoulder diameter OR 116 mm ra max - Max shaft & housing fillet radius 1,5 mm
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