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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 90 mm D - External diameter 190 mm B - Bearing/Inner ring width 64 mm d2 - External diameter inner ring 0 mm D1 - Inner diameter outer ring 165,1 mm rs - Min fillet radius 3 mm Number of lubrication holes 3 b - Groove width 12 mm k - Hole diameter 5 mm Associated sleeve reference H2318 Radial clearance class C4 Mass 8,38 kg
PRODUCT PERFORMANCE C - Dynamic load 668 kN C0 - Static load 652 kN Cu - Fatigue limit load 71,4 kN e - Coefficient 0.33 Y0 - Static axial load coefficient 2.01 Y1 - Lower axial load coefficient 2.06 Y2 - Upper axial load coefficient 3.07 N ref - Reference thermal speed 3000 tr/min N lim - Mechanical Limit Speed 3500 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) 5,599 Hz BPFI - Over rolling frequency on inner (60 rpm) 8,401 Hz BSF - Over rolling frequency on rolling element (60 rpm) 4,685 Hz BRF - Rotational frequency – rolling element (60 rpm) 2,343 Hz FTF - Rotational frequency - cage (60 rpm) 0,4 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 104 mm db - Min diameter for Sleeve 100 mm Ce - Min length fro Sleeve 7 mm Da max - Max shoulder diameter OR 176 mm ra max - Max shaft & housing fillet radius 2,5 mm
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