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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 180 mm D - External diameter 300 mm B - Bearing/Inner ring width 96 mm d2 - External diameter inner ring 206 mm D1 - Inner diameter outer ring 266,8 mm rs - Min fillet radius 3 mm Number of lubrication holes 3 ou 4 b - Groove width 14,85 mm k - Hole diameter 7 mm Associated sleeve reference H3136 Radial clearance class C4 Mass 27,21 kg
PRODUCT PERFORMANCE C - Dynamic load 1490 kN C0 - Static load 1960 kN Cu - Fatigue limit load 183 kN e - Coefficient 0.29 Y0 - Static axial load coefficient 2.26 Y1 - Lower axial load coefficient 2.32 Y2 - Upper axial load coefficient 3.45 N ref - Reference thermal speed 1600 tr/min N lim - Mechanical Limit Speed 2100 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) 9,105 Hz BPFI - Over rolling frequency on inner (60 rpm) 11,895 Hz BSF - Over rolling frequency on rolling element (60 rpm) 7,257 Hz BRF - Rotational frequency – rolling element (60 rpm) 3,629 Hz FTF - Rotational frequency - cage (60 rpm) 0,434 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 194 mm db - Min diameter for Sleeve 191 mm Ce - Min length fro Sleeve 8 mm Da max - Max shoulder diameter OR 286 mm ra max - Max shaft & housing fillet radius 2,5 mm
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