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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 130 mm D - External diameter 280 mm B - Bearing/Inner ring width 93 mm d2 - External diameter inner ring 164,7 mm D1 - Inner diameter outer ring 243 mm rs - Min fillet radius 4 mm Number of lubrication holes 3 ou 4 b - Groove width 18,94 mm k - Hole diameter 9 mm Associated sleeve reference H2326 Radial clearance class C4 Mass 26,354 kg
PRODUCT PERFORMANCE C - Dynamic load 1330 kN C0 - Static load 1400 kN Cu - Fatigue limit load 136 kN e - Coefficient 0.33 Y0 - Static axial load coefficient 2.01 Y1 - Lower axial load coefficient 2.06 Y2 - Upper axial load coefficient 3.06 N ref - Reference thermal speed 1800 tr/min N lim - Mechanical Limit Speed 2400 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) 6,076 Hz BPFI - Over rolling frequency on inner (60 rpm) 8,924 Hz BSF - Over rolling frequency on rolling element (60 rpm) 4,961 Hz BRF - Rotational frequency – rolling element (60 rpm) 2,481 Hz FTF - Rotational frequency - cage (60 rpm) 0,405 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 147 mm db - Min diameter for Sleeve 142 mm Ce - Min length fro Sleeve 8 mm Da max - Max shoulder diameter OR 263 mm ra max - Max shaft & housing fillet radius 3 mm
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