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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 120 mm D - External diameter 215 mm B - Bearing/Inner ring width 58 mm D1 - Inner diameter outer ring 192,3 mm rs - Min fillet radius 2,1 mm Number of lubrication holes 3 b - Groove width 12,16 mm k - Hole diameter 6 mm Associated sleeve reference H3124 Radial clearance class C4 Mass 8,65 kg
PRODUCT PERFORMANCE C - Dynamic load 688 kN C0 - Static load 753 kN Cu - Fatigue limit load 78,2 kN e - Coefficient 0.25 Y0 - Static axial load coefficient 2.68 Y1 - Lower axial load coefficient 2.74 Y2 - Upper axial load coefficient 4.08 N ref - Reference thermal speed 3000 tr/min N lim - Mechanical Limit Speed 3800 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) 7,618 Hz BPFI - Over rolling frequency on inner (60 rpm) 10,382 Hz BSF - Over rolling frequency on rolling element (60 rpm) 6,274 Hz BRF - Rotational frequency – rolling element (60 rpm) 3,137 Hz FTF - Rotational frequency - cage (60 rpm) 0,423 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 132 mm db - Min diameter for Sleeve 128 mm Ce - Min length fro Sleeve 11 mm Da max - Max shoulder diameter OR 203 mm ra max - Max shaft & housing fillet radius 2 mm
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