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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 140 mm D - External diameter 210 mm B - Bearing/Inner ring width 53 mm d2 - External diameter inner ring 155,6 mm D1 - Inner diameter outer ring 192,7 mm rs - Min fillet radius 2 mm Number of lubrication holes 3 b - Groove width 8,91 mm k - Hole diameter 4 mm Associated sleeve reference H3028 Radial clearance class C3 Mass 6,13 kg
PRODUCT PERFORMANCE C - Dynamic load 597 kN C0 - Static load 783 kN Cu - Fatigue limit load 80,4 kN e - Coefficient 0.22 Y0 - Static axial load coefficient 3.07 Y1 - Lower axial load coefficient 3.14 Y2 - Upper axial load coefficient 4.67 N ref - Reference thermal speed 2800 tr/min N lim - Mechanical Limit Speed 3400 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) 11,125 Hz BPFI - Over rolling frequency on inner (60 rpm) 13,875 Hz BSF - Over rolling frequency on rolling element (60 rpm) 8,89 Hz BRF - Rotational frequency – rolling element (60 rpm) 4,445 Hz FTF - Rotational frequency - cage (60 rpm) 0,445 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 148,8 mm db - Min diameter for Sleeve 147 mm Ce - Min length fro Sleeve 8 mm Da max - Max shoulder diameter OR 201,2 mm ra max - Max shaft & housing fillet radius 2 mm
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