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Spherical roller bearing, pressed steel cage, 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 25 mm D - External diameter 62 mm B - Bearing/Inner ring width 17 mm d2 - External diameter inner ring 34,5 mm D1 - Inner diameter outer ring 51,2 mm rs - Min fillet radius 1,1 mm Number of lubrication holes 0 b - Groove width 0 mm k - Hole diameter 0 mm Associated sleeve reference H305 Radial clearance class C3 Mass 0,254 kg
PRODUCT PERFORMANCE C - Dynamic load 51,1 kN C0 - Static load 40,3 kN Cu - Fatigue limit load 4,9 kN e - Coefficient 0.29 Y0 - Static axial load coefficient 2.28 Y1 - Lower axial load coefficient 2.33 Y2 - Upper axial load coefficient 3.47 N ref - Reference thermal speed 8800 tr/min N lim - Mechanical Limit Speed 14000 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) 4,824 Hz BPFI - Over rolling frequency on inner (60 rpm) 7,176 Hz BSF - Over rolling frequency on rolling element (60 rpm) 4,819 Hz BRF - Rotational frequency – rolling element (60 rpm) 2,41 Hz FTF - Rotational frequency - cage (60 rpm) 0,402 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 32 mm db - Min diameter for Sleeve 28 mm Ce - Min length fro Sleeve 6 mm Da max - Max shoulder diameter OR 55 mm ra max - Max shaft & housing fillet radius 1 mm
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