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Spherical roller bearing, one-piece machined 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 380 mm B - Bearing/Inner ring width 126 mm d2 - External diameter inner ring 0 mm D1 - Inner diameter outer ring 328,2 mm rs - Min fillet radius 4 mm Number of lubrication holes 3 ou 8 b - Groove width 20,9 mm k - Hole diameter 10 mm Associated sleeve reference H2336 Radial clearance class C4 Mass 68,7 kg
PRODUCT PERFORMANCE C - Dynamic load 2420 kN C0 - Static load 2810 kN Cu - Fatigue limit load 249 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 1200 tr/min N lim - Mechanical Limit Speed 1700 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) 6,574 Hz BPFI - Over rolling frequency on inner (60 rpm) 9,426 Hz BSF - Over rolling frequency on rolling element (60 rpm) 5,31 Hz BRF - Rotational frequency – rolling element (60 rpm) 2,655 Hz FTF - Rotational frequency - cage (60 rpm) 0,411 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 197 mm db - Min diameter for Sleeve 195 mm Ce - Min length fro Sleeve 8 mm Da max - Max shoulder diameter OR 363 mm ra max - Max shaft & housing fillet radius 3 mm
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